software
Klaviyo vs Mailchimp 2026: Features, Pricing & ROI
Klaviyo is a specialized email and SMS marketing platform built for e-commerce with advanced segmentation and higher costs ($20-$1,250/month), while Mailchimp is a general-purpose marketing automation tool with a free tier and lower pricing ($0-$350/month) but less sophisticated features.
Klaviyo
E-commerce-focused email and SMS marketing platform with advanced segmentation and automation.
E-commerce stores, subscription businesses, and DTC brands seeking to maximize customer lifetime value through sophisticated SMS and email marketing.
Score63%
VS
Mailchimp
Marketing automation and email platform with drag-and-drop campaigns and audience segmentation.
Small businesses, nonprofits, freelancers, and marketing teams that need affordable, easy-to-use email marketing without advanced segmentation or multi-channel needs.
Score63%
Quick Answer
AI SummaryKlaviyo is a specialized email and SMS marketing platform built for e-commerce with advanced segmentation and higher costs ($20-$1,250/month), while Mailchimp is a general-purpose marketing automation tool with a free tier and lower pricing ($0-$350/month) but less sophisticated features.
Our Verdict
AI-assistedChoose Klaviyo if you run an e-commerce business and need sophisticated segmentation, SMS marketing, and predictive analytics to maximize customer lifetime value—the higher cost justifies ROI for high-volume sellers. Choose Mailchimp if you're a small business, nonprofit, or startup with a limited budget, want a free option to start, or need basic email marketing without complex automation.
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Klaviyo
6.7/10
Mailchimp
8.3/10
Choose Klaviyo if
E-commerce stores, subscription businesses, and DTC brands seeking to maximize customer lifetime value through sophisticated SMS and email marketing.
Choose Mailchimp if
Best pickSmall businesses, nonprofits, freelancers, and marketing teams that need affordable, easy-to-use email marketing without advanced segmentation or multi-channel needs.
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Key Differences at a Glance
- Pricing Model:✓ Mailchimp wins($0-$350/month with free tier vs $20-$1,250/month based on contacts)
- Segmentation Depth:✓ Klaviyo wins(Advanced behavioral + predictive segmentation vs Basic demographic + list segmentation)
- E-commerce Integration:✓ Klaviyo wins(Native Shopify, WooCommerce, BigCommerce integration vs Limited native integration, requires apps)
Key Facts & Figures
112 numeric metrics compared
| Metric | Klaviyo | Mailchimp | Ratio |
|---|---|---|---|
| Starting Price (Entry Tier)(USD/month) | $20/month | $13/month | |
| Cost at 5,000 Contacts/Profiles(USD/month) | $100/month | $50-70/month | |
| Cost at 50,000 Contacts/Profiles(USD/month) | $720/month | $100/month | |
| Monthly Email Send Limit (Entry Plan)(emails/month) | 5,000+ | 1,000-5,000 | |
| Average eCommerce Email Revenue Per Send(USD) | $72 | — | — |
| Starting Price (Email Only)(USD/month) | $20/month (500 contacts) | — | — |
| eCommerce Email Automation ROI(%) | 4,200% ROI (industry average) | — | — |
| Segmentation Filter Count(filters) | 45+ filters | — | — |
| Client Revenue Tracked (Lifetime)(million USD) | $50M+ | — | — |
| Channels Supported(count) | 3 (Email, SMS, WhatsApp) | — | — |
| Platform Rating(out of 5) | 4.7/5 | — | — |
| Typical Onboarding Time(weeks) | 7-14 | — | — |
| eCommerce Revenue Attribution(USD per email) | $72 per email sent | — | — |
| eCommerce Platform ROI(%) | Industry average 4,200% | — | — |
| Starting Monthly Price(USD) | $20+ (usage-based) | — | — |
| Email Deliverability Rate(%) | 99.2% | — | — |
| API Rate Limit(requests per second) | 10,000 | — | — |
| Entry-Level Monthly Price(USD) | $25 | — | — |
| Price at 50,000 Contacts(USD) | $720 | — | — |
| SMS Cost Per Message(USD) | $0.01-$0.015 | $0.01-0.05 per SMS | |
| Ease of Use Score(/10) | 6.5 | — | — |
| Starting Price(USD/month) | $20 | $0 (free tier) or $20 (Pro) | |
| Email Integrations Count(integrations) | 400+ | — | — |
| Behavioral Automation Triggers(triggers) | 200+ | — | — |
| API Rate Limits(requests/minute) | 60 | — | — |
| SMS Deliverability Rate(%) | 98% | — | — |
| Starting Monthly Cost(USD) | $20-45 | $20 | |
| Free Email Monthly Limit(emails) | None | — | — |
| E-commerce Templates Available(count) | 200+ Shopify-optimized | — | — |
| API Rate Limit(calls/minute) | 500 req/sec | 10 calls/second | |
| Open Rate Improvement (avg)(percent increase) | 10-15% with predictive send time | — | — |
| Deliverability Rating(percent) | 99.1% | — | — |
| Base Monthly Cost(USD) | $20 | — | — |
| Email Template Library(templates) | 500+ | 1,000+ templates | |
| Lead Scoring Accuracy(percent) | 35% | — | — |
| SMS Open Rate(percent) | 98% | — | — |
| Free Plan Contact Limit(contacts) | 500 | 500 | |
| Free Tier Subscriber Limit(subscribers) | None (paid only) | 500 free contacts | — |
| Email Deliverability Rate(percent) | 98.5% | 96–98% | |
| Native E-commerce Integrations(integrations) | 25+ including Shopify, WooCommerce, Amazon, TikTok Shop, custom APIs | — | — |
| Setup Time (Minutes)(minutes) | 30-45 | — | — |
| Automation Workflows (Free Tier)(workflows) | 5 active automations | — | — |
| Available Template Library(templates) | 150+ with AI generation | — | — |
| Starting Monthly Price(USD) | $20 | $0 (free tier) | |
| SMS Average Revenue Per Message(USD) | $0.45 | — | — |
| Base Monthly Price(USD) | $20 (for 500 contacts) | — | — |
| Free Trial Length(days) | 14 days | — | — |
| Email Templates Available(templates) | 500+ | — | — |
| Average Implementation Time(weeks) | 1-2 weeks (visual setup) | 0.08 months (1 hour) | |
| API Rate Limit (Standard Plan)(requests/second) | 500 | — | — |
| Maximum Contact Database Size(million contacts) | 100+ million | — | — |
| Core Marketing Channels(channels) | 5 channels | 5 channels | |
| Learning Curve Rating(1-10 scale) | 7 (moderate to high) | 7 (moderate to high) | |
| Starting Price (Monthly)(USD) | $0-$20 | $0-$20 | |
| Free Plan Subscriber Limit(contacts) | 250 | 250 | |
| Free Plan Monthly Email Sends(emails/month) | 500 | 500 | |
| G2 Aggregate Rating(out of 5) | 4.3/5 | 4.3/5 | |
| Third-Party Integrations(count) | 300+ integrations | 300+ integrations | |
| Entry-Level Paid Plan Price(USD/month) | $20 | $20 | |
| Third-Party Integrations Available(count) | 1,200+ | 1,200+ | |
| Email Templates(count) | 200+ | 200+ | |
| Monthly Cost (10,000 contacts)(USD) | $100 | $100 | |
| Setup Time for First Campaign(hours) | 1-2 hours | 1-2 hours | |
| Free Plan Subscriber Capacity(contacts/subscribers) | 250 contacts | 250 contacts | |
| Free Plan Monthly Email Limit(emails) | 1,000 emails/month | 1,000 emails/month | |
| Global User Base(organizations) | 13 million users | 13 million users | |
| G2 Review Rating(stars out of 5) | 4.3/5 stars | 4.3/5 stars | |
| Price Scaling Factor at 5,000 Subscribers(relative cost index) | Steep 3-4x multiplier | Steep 3-4x multiplier | |
| Free Plan Contact Capacity(contacts) | 500 contacts | 500 contacts | |
| Marketing Channels Supported(channels) | Email, basic social | Email, basic social | |
| Setup Time for Non-Developers(minutes) | 10-20 minutes | 10-20 minutes | |
| Maximum Monthly Email Limit(emails) | 300,000 (based on plan) | 300,000 (based on plan) | |
| Starting Price (Paid Plan)(USD/month) | $13/month (Essentials) | $13/month (Essentials) | |
| Maximum Contact Plan(USD/month) | $800/month (100,000 contacts) | $800/month (100,000 contacts) | |
| G2 Award Count(awards) | Transactional email and small business | Transactional email and small business | |
| API Integration Support(integrations) | 1000+ | 1000+ | |
| User-Friendliness Rating(score) | 3.8/5 | 3.8/5 | |
| Max Contacts (Starter Plan)(contacts) | 500 (free) / 5,000 (paid) | 500 (free) / 5,000 (paid) | |
| Native CRM Integrations(integrations) | 3 (Salesforce, HubSpot, custom) | 3 (Salesforce, HubSpot, custom) | |
| Customer Support Response Time(hours) | 12-24 hours (business hours) | 12-24 hours (business hours) | |
| Learning Curve (1=Easy, 5=Difficult)(scale) | 1 (beginner-friendly) | 1 (beginner-friendly) | |
| Pro Plan Monthly Cost (10k subscribers)(USD) | $50 | $50 | |
| Ease of Use Rating(1-5 scale) | 7.8/10 | 7.8/10 | |
| Pre-Built Automation Templates(templates) | 300+ | 300+ | |
| Free Monthly Email Volume(emails) | Unlimited (with 10k contacts max) | Unlimited (with 10k contacts max) | |
| Starter Tier Monthly Cost (50k contacts)(USD/month) | $350/month | $350/month | |
| Campaign Template Library(templates) | 500+ | 500+ | |
| API Response Time (p95)(milliseconds) | 250ms | 250ms | |
| Automation Workflow Steps (Free/Starter Tier)(workflows) | Unlimited (standard feature) | Unlimited (standard feature) | |
| Maximum Contacts/Recipients(contacts) | Unlimited (with pricing increase) | Unlimited (with pricing increase) | |
| Entry-Level Monthly Cost(USD) | $0 | $0 | |
| Ecommerce Integrations(integrations) | 13+ | 13+ | |
| Cost at 10,000 Subscribers(USD/month) | $50-100 | $50-100 | |
| Monetization Revenue Share(percent) | 0% (you handle payments) | 0% (you handle payments) | |
| Setup Time for Monetization(minutes) | 30+ (payment processor + Mailchimp config) | 30+ (payment processor + Mailchimp config) | |
| Max Free Tier Contacts(contacts) | 500 | 500 | |
| Supported Communication Channels(count) | 3 (email, SMS via paid add-on, social) | 3 (email, SMS via paid add-on, social) | |
| Average Setup Time(days) | 0.5-2 hours (no code required) | 0.5-2 hours (no code required) | |
| Monthly Cost for 5,000 Subscribers(USD) | $70/month | $70/month | |
| Automation Workflows on Standard Plan(count) | Limited (up to 5-10 per plan tier) | Limited (up to 5-10 per plan tier) | |
| Pre-Built Email Templates(count) | 100+ templates | 100+ templates | |
| User Onboarding Time (Average)(hours) | 4-6 weeks | 4-6 weeks | |
| Cost Per 1,000 Emails(USD) | $2–$7 (plan-dependent) | $2–$7 (plan-dependent) | |
| Free Tier Monthly Email Limit(emails) | 1,000/month | 1,000/month | |
| API Setup Time (Developer Hours)(hours) | 0.5–1 hour (UI-based) | 0.5–1 hour (UI-based) | |
| Monthly Cost at 100K Emails/Month(USD) | $200–$350 (based on tier) | $200–$350 (based on tier) | |
| Cost per SMS(USD) | $0.01 (SMS add-on) | $0.01 (SMS add-on) | |
| Free Tier Contact Limit(contacts) | 500 contacts | 500 contacts | |
| Minimum Paid Plan Price(USD/month) | $20 (Standard plan) | $20 (Standard plan) | |
| SMS Country Coverage(countries) | 45+ countries | 45+ countries | |
| Setup Time (Days)(days) | 1 day (no-code signup) | 1 day (no-code signup) | |
| Uptime SLA(%) | 99.99% | 99.99% |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
Klaviyo leads
Klaviyo
Attribute
Mailchimp
- $20-$1,250/month based on contactsPricing Model$0-$350/month with free tier(winner)
- Advanced behavioral + predictive segmentation(winner)Segmentation DepthBasic demographic + list segmentation
- Native Shopify, WooCommerce, BigCommerce integration(winner)E-commerce IntegrationLimited native integration, requires apps
- Built-in SMS with deliverability tracking(winner)SMS Marketing ChannelSMS available via add-on only
- 150+ pre-built templates, AI-assisted flows(winner)Automation Workflows25+ templates, basic conditional logic
- No free tierFree Plan AvailabilityFree tier up to 500 contacts(winner)
- $480/year per active user(winner)Average Revenue Per User (ARPU)$95/year per active user
- Pricing Model
Klaviyo
$20-$1,250/month based on contacts
Mailchimp
$0-$350/month with free tier(winner)
- Segmentation Depth
Klaviyo
Advanced behavioral + predictive segmentation(winner)
Mailchimp
Basic demographic + list segmentation
- E-commerce Integration
Klaviyo
Native Shopify, WooCommerce, BigCommerce integration(winner)
Mailchimp
Limited native integration, requires apps
- SMS Marketing Channel
Klaviyo
Built-in SMS with deliverability tracking(winner)
Mailchimp
SMS available via add-on only
- Automation Workflows
Klaviyo
150+ pre-built templates, AI-assisted flows(winner)
Mailchimp
25+ templates, basic conditional logic
- Free Plan Availability
Klaviyo
No free tier
Mailchimp
Free tier up to 500 contacts(winner)
- Average Revenue Per User (ARPU)
Klaviyo
$480/year per active user(winner)
Mailchimp
$95/year per active user
Full Comparison
| Attribute | Klaviyo | Mailchimp |
|---|---|---|
| Starting Price (Entry Tier)(USD/month) | $20/month | $13/month(winner) |
| Cost at 5,000 Contacts/Profiles(USD/month) | $100/month | $50-70/month(winner) |
| Cost at 50,000 Contacts/Profiles(USD/month) | $720/month | $100/month(winner) |
| Starting Price (Email Only)(USD/month) | $20/month (500 contacts) | — |
| Price at 100K Contacts(USD/month) | Varies by plan features | — |
Show 31 more attributesPricing Structure Active profiles (contacts with behavior) — Free Contact Storage(contacts) Limited (plan-dependent) — Starting Monthly Price(USD) $20+ (usage-based) — Entry-Level Monthly Price(USD) $25 — Price at 50,000 Contacts(USD) $720 — Starting Price(USD/month) $20 $0 (free tier) or $20 (Pro) Starting Monthly Cost(USD) $20-45 $20 Free Email Monthly Limit(emails) None — Base Monthly Cost(USD) $20 — Free Tier Subscriber Limit(subscribers) None (paid only) 500 free contacts Starting Monthly Price(USD) $20 $0 (free tier) Base Monthly Price(USD) $20 (for 500 contacts) — Free Trial Length(days) 14 days — Free Plan Available Yes (500 contacts) — Starting Price (Monthly)(USD) $0-$20 — Monthly Cost (10,000 contacts)(USD) $100 — Free Plan Monthly Email Limit(emails) 1,000 emails/month — Starting Price (Paid Plan)(USD/month) $13/month (Essentials) — Maximum Contact Plan(USD/month) $800/month (100,000 contacts) — Free Plan Availability Full-featured free plan — Free Tier Available(null) Yes (up to 500 contacts) — Pro Plan Monthly Cost (10k subscribers)(USD) $50 — Entry-Level Monthly Cost(USD) $0 — SMS Delivery Cost(USD per message) Not offered (email-focused) — Voice Call Cost(USD per minute) Not offered — Cost Per 1,000 Emails(USD) $2–$7 (plan-dependent) — Free Tier Monthly Email Limit(emails) 1,000/month — Monthly Cost at 100K Emails/Month(USD) $200–$350 (based on tier) — Cost per SMS(USD) $0.01 (SMS add-on) — Free Tier Contact Limit(contacts) 500 contacts — Minimum Paid Plan Price(USD/month) $20 (Standard plan) — | ||
| Free Plan Email Features | All email features included | Limited core features only |
| Email Template Design Options(variety level) | eCommerce-optimized templates | Extensive design variety and customization |
| Segmentation Capabilities(trigger types) | Advanced behavior-led segmentation | Standard audience segmentation |
| Customer Data Integration(depth level) | Unified customer data foundation | Basic contact data syncing |
| Pre-built Integrations(operators) | Extensive custom via API | — |
Show 56 more attributesCampaign Scheduling Smart scheduling with AI optimization — Segmentation Capability Advanced behavioral data segmentation — Channels Supported(count) 3 (Email, SMS, WhatsApp) — AI Features Available(count) Personalized send time optimization — Customer Data Platform Built-in CDP as core foundation — Automation Capabilities(features) Unlimited triggered sequences with advanced conditional logic — Multi-Channel Support(channels) Email and SMS — Channels Supported(count) Email, SMS, Web Push, Forms — Segmentation Capabilities Behavioral, predictive, e-commerce segments, custom attributes — Personalization Capabilities AI-powered with customer data platform — Email Integrations Count(integrations) 400+ — SMS Marketing Included Yes, native SMS — Landing Page Builder No, third-party required Yes (drag-and-drop, AI-assisted) SMS Capability(native integration) Native SMS included — E-commerce Templates Available(count) 200+ Shopify-optimized — Automation Workflow Complexity(triggers/conditions) Unlimited with predictive optimization ~5 basic automations Email Template Library(templates) 500+ 1,000+ templates Lead Scoring Accuracy(percent) 35% — Free Plan Contact Limit(contacts) 500 500 Native E-commerce Integrations(integrations) 25+ including Shopify, WooCommerce, Amazon, TikTok Shop, custom APIs — Automation Workflows (Free Tier)(workflows) 5 active automations — Available Template Library(templates) 150+ with AI generation — SMS Channel Support(available) Yes (all plans) — Email Templates Available(templates) 500+ — Native Mobile App Push Support Web push only — Core Marketing Channels(channels) 5 channels — SMS Marketing Capability(native/addon) Yes, with international expansion — Landing Page Builder Access Free on all plans — AI Email Generation Not available — SMS Marketing Capabilities Full SMS suite with 2026 international expansion — Email Templates(count) 200+ — Native CRM Included No (API integration only) — SMS Marketing Support Yes (added 2026, supports international markets) — Built-In CRM Yes, full CRM suite — Multi-Channel Marketing Email, SMS, landing pages, ads — Automation Features Advanced automation included — CRM Functionality Full CRM with customer profiles — Lead Scoring Models Available(types) Behavioral segmentation only — Lead Scoring Sophistication(capability level) Basic (list segmentation only) — Account-Based Marketing (ABM) Support No — Pre-Built Automation Templates(templates) 300+ — Campaign Template Library(templates) 500+ — Automation Workflow Steps (Free/Starter Tier)(workflows) Unlimited (standard feature) — Max Contacts (Paid Plan)(contacts) Unlimited — Automation Workflows(workflows) Unlimited (all plans) — Email Automation Workflows Advanced (conditional, behavioral triggers) — Built-in Payment Processing No (third-party required) — A/B Testing Capability Yes (subject lines, send time) — SMS Marketing Included in paid plans — Max Free Tier Contacts(contacts) 500 — Supported Communication Channels(count) 3 (email, SMS via paid add-on, social) — Pre-Built Email Templates(count) 100+ templates — A/B Testing Capabilities Advanced (subject, send time, content) — Bounce Handling & List Cleaning Manual review required — Subscriber Management Features Full CRM with segmentation, tagging, custom fields — SMS Country Coverage(countries) 45+ countries — | ||
| Monthly Email Send Limit (Entry Plan)(emails/month) | 5,000+(winner) | 1,000-5,000 |
| Free Plan SMS Capability | Not included | — |
| Entry-Level Pricing Accessibility | Higher minimum investment required | — |
| Free Plan Contact Capacity(contacts) | 500 contacts | — |
| Free Plan Segmentation Limits(segments) | Basic email features only | — |
| Customer Data Behavioral Depth | Real-time behavioral graphs with continuous updates | — |
| Omnichannel Support(channels) | Email, SMS, push, in-app, direct mail | — |
| Target Market Focus | Mid-to-large ecommerce, Shopify Plus, data-driven brands | — |
| Target Business Size | SMB to Enterprise (all Shopify store sizes) | — |
| Average eCommerce Email Revenue Per Send(USD) | $72 | — |
| eCommerce Email Automation ROI(%) | 4,200% ROI (industry average) | — |
| Built-in CRM for Sales Teams | B2C customer data platform | — |
| CRM Lead Scoring Capability(null) | Behavioral purchase-event segmentation | — |
| Native SMS Channel | Included in all plans | — |
| Shopify Integration Depth | Native with product catalog sync, dynamic blocks, and product recommendations | — |
| Multi-Channel Automation Support | Email, SMS, push (native) | — |
| Segmentation Filter Count(filters) | 45+ filters | — |
| Two-Way Messaging | Limited 2-way capability | — |
| Email Marketing Integration | Native email + SMS + pop-ups | — |
| Client Revenue Tracked (Lifetime)(million USD) | $50M+ | — |
| A/B Testing | Yes, multi-channel A/B testing | All paid plans |
| Email Support Cost(USD/month) | Included (higher plans only) | — |
| Customer Support Availability(hours/day) | 24/5 email, phone 9-5 EST | — |
| 24/7 Support Availability | Yes, varies by plan | — |
| Customer Support Response Time(hours) | 12-24 hours (business hours) | — |
| Phone Support Availability(hours/day) | Business hours (paid plans) | — |
| Setup Complexity(complexity score) | Steeper learning curve (data-focused) | — |
| Platform Rating(out of 5) | 4.7/5 | — |
| AI-Powered Features(count) | Predictive send-time optimization (Q4 2025), AI-driven personalization | — |
| Deliverability Grade | Enterprise-grade, proven at scale with dedicated infrastructure | — |
| Typical Onboarding Time(weeks) | 7-14 | — |
| Learning Curve Rating(1-10 scale) | 7 (moderate to high) | — |
| Learning Curve Difficulty(1-10 scale) | 2/10 (simple) | — |
| eCommerce Revenue Attribution(USD per email) | $72 per email sent | — |
| eCommerce Platform ROI(%) | Industry average 4,200% | — |
| Shopify Native Integration Depth(null) | Deep native with purchase-event segmentation | — |
| API Rate Limits(requests/minute) | 60 | — |
| Shopify Integration(native) | Yes (native + Plus tier) | — |
| Integration Capabilities(/10) | Third-party integrations | — |
| Native Salesforce CRM Integration | No (Zapier third-party only) | — |
| Primary Geographic Strength(null) | North America eCommerce focus | — |
| Email Deliverability Rate(%) | 99.2% | — |
| SMS Deliverability Rate(%) | 98% | — |
| Open Rate Improvement (avg)(percent increase) | 10-15% with predictive send time | — |
| Deliverability Rating(percent) | 99.1% | — |
| SMS Open Rate(percent) | 98% | — |
Show 2 more attributesAPI Rate Limit (Standard Plan)(requests/second) 500 — API Response Time (p95)(milliseconds) 250ms — | ||
| API Rate Limit(requests per second) | 10,000 | — |
| Mobile App Users(millions) | 150,000+ e-commerce merchants | — |
| Learning Curve(difficulty level) | 1-2 weeks | — |
| User Skill Level Required | Beginner-friendly | — |
| Setup Time for First Campaign(hours) | 1-2 hours | — |
| User Learning Curve(hours) | Minimal (intuitive interface) | — |
| User-Friendliness Rating(score) | 3.8/5 | — |
Show 3 more attributesLearning Curve (1=Easy, 5=Difficult)(scale) 1 (beginner-friendly) — Ease of Use Rating(1-5 scale) 7.8/10 — User Onboarding Time (Average)(hours) 4-6 weeks — | ||
| SMS Cost Per Message(USD) | $0.01-$0.015(winner) | $0.01-0.05 per SMS |
| Free Plan Subscriber Limit(contacts) | 250 | — |
| Monthly Cost for 5,000 Subscribers(USD) | $70/month | — |
| Automation Complexity Level | Advanced multi-channel | Basic (Customer Journey Builder) |
| Ease of Use Score(/10) | 6.5 | — |
| User Interface Modernity(rating) | Legacy interface, steep learning curve | — |
| E-commerce Integration Quality | Native integration with major platforms | — |
| eCommerce Platform Support(platforms) | More extensive platform coverage | — |
| CRM Integration Capabilities | Basic contact management | — |
| Third-Party Integrations Available(count) | 1,200+ | — |
| API Integration Support(integrations) | 1000+ | — |
Show 2 more attributesNative CRM Integrations(integrations) 3 (Salesforce, HubSpot, custom) — Ecommerce Integrations(integrations) 13+ — | ||
| Maximum Subscriber Limit(contacts) | Unlimited | — |
| Maximum Contacts (Affordable Tier)(contacts) | Unlimited | — |
| Maximum Contact Database Size(million contacts) | 100+ million | — |
| Contact List Size Limit (Standard Pricing)(contacts) | Unlimited growth with pro-rated pricing | — |
| Maximum Monthly Email Limit(emails) | 300,000 (based on plan) | — |
Show 1 more attributeMaximum Contacts/Recipients(contacts) Unlimited (with pricing increase) — | ||
| Behavioral Automation Triggers(triggers) | 200+ | — |
| API Rate Limit(calls/minute) | 500 req/sec(winner) | 10 calls/second |
| Implementation Time(weeks) | 1-2 days | — |
| Email Deliverability Rate(percent) | 98.5%(winner) | 96–98% |
| Setup Time (Minutes)(minutes) | 30-45 | — |
| Setup Time for Non-Developers(minutes) | 10-20 minutes | — |
| Setup Time for Monetization(minutes) | 30+ (payment processor + Mailchimp config) | — |
| SMS Average Revenue Per Message(USD) | $0.45 | — |
| Average Implementation Time(weeks) | 1-2 weeks (visual setup) | 0.08 months (1 hour)(winner) |
| Average Setup Time(days) | 0.5-2 hours (no code required) | — |
| API Setup Time (Developer Hours)(hours) | 0.5–1 hour (UI-based) | — |
| Setup Time (Days)(days) | 1 day (no-code signup) | — |
| Segmentation Depth | Sophisticated data-driven rules | — |
| Email Deliverability Testing | A/B testing and design testing (free) | — |
| Free Plan Monthly Email Sends(emails/month) | 500 | — |
| G2 Aggregate Rating(out of 5) | 4.3/5 | — |
| Built-in E-commerce Features | Limited (abandoned cart via integrations) | — |
| Paid Plan Email Sending(sends per month) | Capped by contact tier multipliers | — |
| Integrated CRM & Contact Management | Full CRM suite with advanced segmentation | — |
| Built-in E-commerce & Monetization | Limited e-commerce via integrations | — |
| CRM Type | Basic add-on CRM | — |
| Overage Fees on Paid Plans | Yes - charges per contact/send overages | — |
| Third-Party Integrations(count) | 300+ integrations | — |
| Analytics & Reporting Depth | Comprehensive campaign performance and subscriber insights | — |
| Entry-Level Paid Plan Price(USD/month) | $20 | — |
| Cost at 10,000 Subscribers(USD/month) | $50-100 | — |
| AI Personalization Engine | Basic personalization features | — |
| Trigger-Based Automation Workflows | Available but less intuitive setup | — |
| Automation Workflows on Standard Plan(count) | Limited (up to 5-10 per plan tier) | — |
| CRM Integration | Full native CRM platform integrated | — |
| Free Plan Subscriber Capacity(contacts/subscribers) | 250 contacts | — |
| Price Scaling Factor at 5,000 Subscribers(relative cost index) | Steep 3-4x multiplier | — |
| Global User Base(organizations) | 13 million users | — |
| G2 Review Rating(stars out of 5) | 4.3/5 stars | — |
| Lead Scoring Capability | Manual segmentation only | — |
| Marketing Channels Supported(channels) | Email, basic social | — |
| 2026 Feature Updates(updates) | Standard quarterly updates | — |
| API Complexity Level | Moderate, marketing-focused | — |
| Email Template Quality | Modern and professional | — |
| G2 Award Count(awards) | Transactional email and small business | — |
| Max Contacts (Starter Plan)(contacts) | 500 (free) / 5,000 (paid) | — |
| Built-in Monetization Tools(features) | None (requires third-party solutions) | — |
| Free Monthly Email Volume(emails) | Unlimited (with 10k contacts max) | — |
| Cost per 1,000 Emails (Pay-as-You-Go)(USD) | Not applicable (subscriber-based) | — |
| Starter Tier Monthly Cost (50k contacts)(USD/month) | $350/month | — |
| Monetization Revenue Share(percent) | 0% (you handle payments) | — |
| Uptime SLA(%) | 99.99% | — |
| Monthly Active Users(millions) | 12M+ users (2025) | — |
KlaviyoMailchimpStarting Price (Entry Tier)(USD/month)
$20/month
$13/month
Cost at 5,000 Contacts/Profiles(USD/month)
$100/month
$50-70/month
Cost at 50,000 Contacts/Profiles(USD/month)
$720/month
$100/month
Starting Price (Email Only)(USD/month)
$20/month (500 contacts)
—
Price at 100K Contacts(USD/month)
Varies by plan features
—
Show 31 more attributes
Pricing Structure
Active profiles (contacts with behavior)
—
Free Contact Storage(contacts)
Limited (plan-dependent)
—
Starting Monthly Price(USD)
$20+ (usage-based)
—
Entry-Level Monthly Price(USD)
$25
—
Price at 50,000 Contacts(USD)
$720
—
Starting Price(USD/month)
$20
$0 (free tier) or $20 (Pro)
Starting Monthly Cost(USD)
$20-45
$20
Free Email Monthly Limit(emails)
None
—
Base Monthly Cost(USD)
$20
—
Free Tier Subscriber Limit(subscribers)
None (paid only)
500 free contacts
Starting Monthly Price(USD)
$20
$0 (free tier)
Base Monthly Price(USD)
$20 (for 500 contacts)
—
Free Trial Length(days)
14 days
—
Free Plan Available
Yes (500 contacts)
—
Starting Price (Monthly)(USD)
$0-$20
—
Monthly Cost (10,000 contacts)(USD)
$100
—
Free Plan Monthly Email Limit(emails)
1,000 emails/month
—
Starting Price (Paid Plan)(USD/month)
$13/month (Essentials)
—
Maximum Contact Plan(USD/month)
$800/month (100,000 contacts)
—
Free Plan Availability
Full-featured free plan
—
Free Tier Available(null)
Yes (up to 500 contacts)
—
Pro Plan Monthly Cost (10k subscribers)(USD)
$50
—
Entry-Level Monthly Cost(USD)
$0
—
SMS Delivery Cost(USD per message)
Not offered (email-focused)
—
Voice Call Cost(USD per minute)
Not offered
—
Cost Per 1,000 Emails(USD)
$2–$7 (plan-dependent)
—
Free Tier Monthly Email Limit(emails)
1,000/month
—
Monthly Cost at 100K Emails/Month(USD)
$200–$350 (based on tier)
—
Cost per SMS(USD)
$0.01 (SMS add-on)
—
Free Tier Contact Limit(contacts)
500 contacts
—
Minimum Paid Plan Price(USD/month)
$20 (Standard plan)
—
Free Plan Email Features
All email features included
Limited core features only
Email Template Design Options(variety level)
eCommerce-optimized templates
Extensive design variety and customization
Segmentation Capabilities(trigger types)
Advanced behavior-led segmentation
Standard audience segmentation
Customer Data Integration(depth level)
Unified customer data foundation
Basic contact data syncing
Pre-built Integrations(operators)
Extensive custom via API
—
Show 56 more attributes
Campaign Scheduling
Smart scheduling with AI optimization
—
Segmentation Capability
Advanced behavioral data segmentation
—
Channels Supported(count)
3 (Email, SMS, WhatsApp)
—
AI Features Available(count)
Personalized send time optimization
—
Customer Data Platform
Built-in CDP as core foundation
—
Automation Capabilities(features)
Unlimited triggered sequences with advanced conditional logic
—
Multi-Channel Support(channels)
Email and SMS
—
Channels Supported(count)
Email, SMS, Web Push, Forms
—
Segmentation Capabilities
Behavioral, predictive, e-commerce segments, custom attributes
—
Personalization Capabilities
AI-powered with customer data platform
—
Email Integrations Count(integrations)
400+
—
SMS Marketing Included
Yes, native SMS
—
Landing Page Builder
No, third-party required
Yes (drag-and-drop, AI-assisted)
SMS Capability(native integration)
Native SMS included
—
E-commerce Templates Available(count)
200+ Shopify-optimized
—
Automation Workflow Complexity(triggers/conditions)
Unlimited with predictive optimization
~5 basic automations
Email Template Library(templates)
500+
1,000+ templates
Lead Scoring Accuracy(percent)
35%
—
Free Plan Contact Limit(contacts)
500
500
Native E-commerce Integrations(integrations)
25+ including Shopify, WooCommerce, Amazon, TikTok Shop, custom APIs
—
Automation Workflows (Free Tier)(workflows)
5 active automations
—
Available Template Library(templates)
150+ with AI generation
—
SMS Channel Support(available)
Yes (all plans)
—
Email Templates Available(templates)
500+
—
Native Mobile App Push Support
Web push only
—
Core Marketing Channels(channels)
5 channels
—
SMS Marketing Capability(native/addon)
Yes, with international expansion
—
Landing Page Builder Access
Free on all plans
—
AI Email Generation
Not available
—
SMS Marketing Capabilities
Full SMS suite with 2026 international expansion
—
Email Templates(count)
200+
—
Native CRM Included
No (API integration only)
—
SMS Marketing Support
Yes (added 2026, supports international markets)
—
Built-In CRM
Yes, full CRM suite
—
Multi-Channel Marketing
Email, SMS, landing pages, ads
—
Automation Features
Advanced automation included
—
CRM Functionality
Full CRM with customer profiles
—
Lead Scoring Models Available(types)
Behavioral segmentation only
—
Lead Scoring Sophistication(capability level)
Basic (list segmentation only)
—
Account-Based Marketing (ABM) Support
No
—
Pre-Built Automation Templates(templates)
300+
—
Campaign Template Library(templates)
500+
—
Automation Workflow Steps (Free/Starter Tier)(workflows)
Unlimited (standard feature)
—
Max Contacts (Paid Plan)(contacts)
Unlimited
—
Automation Workflows(workflows)
Unlimited (all plans)
—
Email Automation Workflows
Advanced (conditional, behavioral triggers)
—
Built-in Payment Processing
No (third-party required)
—
A/B Testing Capability
Yes (subject lines, send time)
—
SMS Marketing
Included in paid plans
—
Max Free Tier Contacts(contacts)
500
—
Supported Communication Channels(count)
3 (email, SMS via paid add-on, social)
—
Pre-Built Email Templates(count)
100+ templates
—
A/B Testing Capabilities
Advanced (subject, send time, content)
—
Bounce Handling & List Cleaning
Manual review required
—
Subscriber Management Features
Full CRM with segmentation, tagging, custom fields
—
SMS Country Coverage(countries)
45+ countries
—
Monthly Email Send Limit (Entry Plan)(emails/month)
5,000+
1,000-5,000
Free Plan SMS Capability
Not included
—
Entry-Level Pricing Accessibility
Higher minimum investment required
—
Free Plan Contact Capacity(contacts)
500 contacts
—
Free Plan Segmentation Limits(segments)
Basic email features only
—
Customer Data Behavioral Depth
Real-time behavioral graphs with continuous updates
—
Omnichannel Support(channels)
Email, SMS, push, in-app, direct mail
—
Target Market Focus
Mid-to-large ecommerce, Shopify Plus, data-driven brands
—
Target Business Size
SMB to Enterprise (all Shopify store sizes)
—
Average eCommerce Email Revenue Per Send(USD)
$72
—
eCommerce Email Automation ROI(%)
4,200% ROI (industry average)
—
Built-in CRM for Sales Teams
B2C customer data platform
—
CRM Lead Scoring Capability(null)
Behavioral purchase-event segmentation
—
Native SMS Channel
Included in all plans
—
Shopify Integration Depth
Native with product catalog sync, dynamic blocks, and product recommendations
—
Multi-Channel Automation Support
Email, SMS, push (native)
—
Segmentation Filter Count(filters)
45+ filters
—
Two-Way Messaging
Limited 2-way capability
—
Email Marketing Integration
Native email + SMS + pop-ups
—
Client Revenue Tracked (Lifetime)(million USD)
$50M+
—
A/B Testing
Yes, multi-channel A/B testing
All paid plans
Email Support Cost(USD/month)
Included (higher plans only)
—
Customer Support Availability(hours/day)
24/5 email, phone 9-5 EST
—
24/7 Support Availability
Yes, varies by plan
—
Customer Support Response Time(hours)
12-24 hours (business hours)
—
Phone Support Availability(hours/day)
Business hours (paid plans)
—
Setup Complexity(complexity score)
Steeper learning curve (data-focused)
—
Platform Rating(out of 5)
4.7/5
—
AI-Powered Features(count)
Predictive send-time optimization (Q4 2025), AI-driven personalization
—
Deliverability Grade
Enterprise-grade, proven at scale with dedicated infrastructure
—
Typical Onboarding Time(weeks)
7-14
—
Learning Curve Rating(1-10 scale)
7 (moderate to high)
—
Learning Curve Difficulty(1-10 scale)
2/10 (simple)
—
eCommerce Revenue Attribution(USD per email)
$72 per email sent
—
eCommerce Platform ROI(%)
Industry average 4,200%
—
Shopify Native Integration Depth(null)
Deep native with purchase-event segmentation
—
API Rate Limits(requests/minute)
60
—
Shopify Integration(native)
Yes (native + Plus tier)
—
Integration Capabilities(/10)
Third-party integrations
—
Native Salesforce CRM Integration
No (Zapier third-party only)
—
Primary Geographic Strength(null)
North America eCommerce focus
—
Email Deliverability Rate(%)
99.2%
—
SMS Deliverability Rate(%)
98%
—
Open Rate Improvement (avg)(percent increase)
10-15% with predictive send time
—
Deliverability Rating(percent)
99.1%
—
SMS Open Rate(percent)
98%
—
Show 2 more attributes
API Rate Limit (Standard Plan)(requests/second)
500
—
API Response Time (p95)(milliseconds)
250ms
—
API Rate Limit(requests per second)
10,000
—
Mobile App Users(millions)
150,000+ e-commerce merchants
—
Learning Curve(difficulty level)
1-2 weeks
—
User Skill Level Required
Beginner-friendly
—
Setup Time for First Campaign(hours)
1-2 hours
—
User Learning Curve(hours)
Minimal (intuitive interface)
—
User-Friendliness Rating(score)
3.8/5
—
Show 3 more attributes
Learning Curve (1=Easy, 5=Difficult)(scale)
1 (beginner-friendly)
—
Ease of Use Rating(1-5 scale)
7.8/10
—
User Onboarding Time (Average)(hours)
4-6 weeks
—
SMS Cost Per Message(USD)
$0.01-$0.015
$0.01-0.05 per SMS
Free Plan Subscriber Limit(contacts)
250
—
Monthly Cost for 5,000 Subscribers(USD)
$70/month
—
Automation Complexity Level
Advanced multi-channel
Basic (Customer Journey Builder)
Ease of Use Score(/10)
6.5
—
User Interface Modernity(rating)
Legacy interface, steep learning curve
—
E-commerce Integration Quality
Native integration with major platforms
—
eCommerce Platform Support(platforms)
More extensive platform coverage
—
CRM Integration Capabilities
Basic contact management
—
Third-Party Integrations Available(count)
1,200+
—
API Integration Support(integrations)
1000+
—
Show 2 more attributes
Native CRM Integrations(integrations)
3 (Salesforce, HubSpot, custom)
—
Ecommerce Integrations(integrations)
13+
—
Maximum Subscriber Limit(contacts)
Unlimited
—
Maximum Contacts (Affordable Tier)(contacts)
Unlimited
—
Maximum Contact Database Size(million contacts)
100+ million
—
Contact List Size Limit (Standard Pricing)(contacts)
Unlimited growth with pro-rated pricing
—
Maximum Monthly Email Limit(emails)
300,000 (based on plan)
—
Show 1 more attribute
Maximum Contacts/Recipients(contacts)
Unlimited (with pricing increase)
—
Behavioral Automation Triggers(triggers)
200+
—
API Rate Limit(calls/minute)
500 req/sec
10 calls/second
Implementation Time(weeks)
1-2 days
—
Email Deliverability Rate(percent)
98.5%
96–98%
Setup Time (Minutes)(minutes)
30-45
—
Setup Time for Non-Developers(minutes)
10-20 minutes
—
Setup Time for Monetization(minutes)
30+ (payment processor + Mailchimp config)
—
SMS Average Revenue Per Message(USD)
$0.45
—
Average Implementation Time(weeks)
1-2 weeks (visual setup)
0.08 months (1 hour)
Average Setup Time(days)
0.5-2 hours (no code required)
—
API Setup Time (Developer Hours)(hours)
0.5–1 hour (UI-based)
—
Setup Time (Days)(days)
1 day (no-code signup)
—
Segmentation Depth
Sophisticated data-driven rules
—
Email Deliverability Testing
A/B testing and design testing (free)
—
Free Plan Monthly Email Sends(emails/month)
500
—
G2 Aggregate Rating(out of 5)
4.3/5
—
Built-in E-commerce Features
Limited (abandoned cart via integrations)
—
Paid Plan Email Sending(sends per month)
Capped by contact tier multipliers
—
Integrated CRM & Contact Management
Full CRM suite with advanced segmentation
—
Built-in E-commerce & Monetization
Limited e-commerce via integrations
—
CRM Type
Basic add-on CRM
—
Overage Fees on Paid Plans
Yes - charges per contact/send overages
—
Third-Party Integrations(count)
300+ integrations
—
Analytics & Reporting Depth
Comprehensive campaign performance and subscriber insights
—
Entry-Level Paid Plan Price(USD/month)
$20
—
Cost at 10,000 Subscribers(USD/month)
$50-100
—
AI Personalization Engine
Basic personalization features
—
Trigger-Based Automation Workflows
Available but less intuitive setup
—
Automation Workflows on Standard Plan(count)
Limited (up to 5-10 per plan tier)
—
CRM Integration
Full native CRM platform integrated
—
Free Plan Subscriber Capacity(contacts/subscribers)
250 contacts
—
Price Scaling Factor at 5,000 Subscribers(relative cost index)
Steep 3-4x multiplier
—
Global User Base(organizations)
13 million users
—
G2 Review Rating(stars out of 5)
4.3/5 stars
—
Lead Scoring Capability
Manual segmentation only
—
Marketing Channels Supported(channels)
Email, basic social
—
2026 Feature Updates(updates)
Standard quarterly updates
—
API Complexity Level
Moderate, marketing-focused
—
Email Template Quality
Modern and professional
—
G2 Award Count(awards)
Transactional email and small business
—
Max Contacts (Starter Plan)(contacts)
500 (free) / 5,000 (paid)
—
Built-in Monetization Tools(features)
None (requires third-party solutions)
—
Free Monthly Email Volume(emails)
Unlimited (with 10k contacts max)
—
Cost per 1,000 Emails (Pay-as-You-Go)(USD)
Not applicable (subscriber-based)
—
Starter Tier Monthly Cost (50k contacts)(USD/month)
$350/month
—
Monetization Revenue Share(percent)
0% (you handle payments)
—
Uptime SLA(%)
99.99%
—
Monthly Active Users(millions)
12M+ users (2025)
—
Pros & Cons
10 pros·6 cons across both
Klaviyo
+5-3
Pros
- Predictive send time optimization (PST) increases open rates by 25-30% on average
- Native integration with Shopify, WooCommerce, BigCommerce for automatic order data sync
- SMS channel with 98%+ deliverability rate and compliance automation
- 150+ pre-built workflows including abandoned cart, post-purchase, and winback campaigns
- Behavioral and predictive segmentation with machine learning-driven recommendations
Cons
- No free tier; minimum $20/month entry price can be prohibitive for micro-businesses
- Steep learning curve for advanced segmentation and flow building compared to competitors
- Pricing scales aggressively with contact count; 100k contacts can cost $1,250+/month
Mailchimp
+5-3
Pros
- Free tier supports up to 500 contacts with core email features, perfect for startups
- Intuitive drag-and-drop interface requires minimal technical expertise
- Contact-based pricing keeps costs low for businesses under 5,000 subscribers ($20/month for 5k contacts)
- Integrated CRM, basic segmentation, and landing page builder in one platform
- A/B testing, basic automation, and social media posting all included in standard plans
Cons
- SMS marketing requires separate Mailchimp SMS add-on; not native to platform like Klaviyo
- Limited segmentation depth; lacks predictive analytics and behavioral triggering capabilities
- Pre-built workflows limited to ~25 templates; automation logic less powerful than competitors
Frequently Asked Questions
5 questions
Yes, Mailchimp's free tier is legitimately free for up to 500 contacts with unlimited emails, basic automation, and core features. Limitations include: no advanced segmentation, limited to 25 pre-built workflows, no SMS functionality, basic reporting, and Mailchimp branding on emails. Upgrade to paid plans starting at $20/month to remove these constraints.
Resources & Learn More
Curated sources to dive deeper
Where to Buy
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