Mailchimp vs Klaviyo
Mailchimp
Comprehensive marketing automation platform serving 20M+ users globally.
Small businesses, startups, and non-eCommerce marketers seeking an affordable, easy-to-use marketing platform
VS
Klaviyo
AI-powered e-commerce email and SMS marketing platform with advanced segmentation.
Growing eCommerce and D2C brands requiring sophisticated customer data analysis and behavior-driven marketing automation
Short Answer
Mailchimp is an all-in-one marketing platform suited for small businesses seeking affordability and ease of use, while Klaviyo is a behavior-driven CRM platform optimized for eCommerce brands needing advanced segmentation and data-driven lifecycle marketing. Klaviyo's pricing scales with active profiles, making it more expensive at scale but more powerful for data analytics.
Our Verdict
AI-assistedBoth platforms excel in different contexts: Mailchimp is the better choice for budget-conscious small businesses seeking simplicity and affordability, while Klaviyo dominates for eCommerce brands requiring sophisticated customer data analysis and behavior-driven marketing. The selection ultimately depends on your business size, budget, and the sophistication of customer insights you need.
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Mailchimp9.2
5.8Klaviyo
Choose Mailchimp if
Small businesses, startups, and non-eCommerce marketers seeking an affordable, easy-to-use marketing platform
Choose Klaviyo if
Growing eCommerce and D2C brands requiring sophisticated customer data analysis and behavior-driven marketing automation
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Key Differences at a Glance
🔹
Primary Focus: Klaviyo wins (eCommerce-focused B2C CRM vs All-in-one marketing platform)
🔹
Pricing Model: Mailchimp wins (Contact-based tiers ($13-$100/mo) vs Active profile-based ($20-$720/mo))
🧠
Email Template Design: Mailchimp wins (Better design variety and customization vs Optimized for data-driven eCommerce)
Key Facts & Figures
| Metric | Mailchimp | Klaviyo | Diff |
|---|---|---|---|
| Core Marketing Channels(channels) | 5 channels | — | — |
| Learning Curve Rating(difficulty (1-10)) | 7 (moderate to high) | — | — |
| Starting Price (Monthly)(USD) | $0-$20 | — | — |
| Free Plan Subscriber Limit(contacts) | 250 | — | — |
| Free Plan Monthly Email Sends(emails/month) | 500 | — | — |
| G2 Aggregate Rating(out of 5) | 4.3/5 | — | — |
| Third-Party Integrations(integrations) | 1000+ | — | — |
| Entry-Level Paid Plan Price(USD/month) | $20 | — | — |
| Third-Party Integrations Available(integrations) | 1,200+ | — | — |
| Email Templates(count) | 200+ | — | — |
| Starting Price (Entry Tier)(USD/month) | $13/month | $20/month | -35% |
| Cost at 5,000 Contacts/Profiles(USD/month) | $50-70/month | $100/month | -40% |
| Cost at 50,000 Contacts/Profiles(USD/month) | $100/month | $720/month | -86% |
| Monthly Email Send Limit (Entry Plan)(emails/month) | 1,000-5,000 | 5,000+ | -40% |
| Monthly Cost (10,000 contacts)(USD) | $100 | — | — |
| Setup Time for First Campaign(hours) | 1-2 hours | — | — |
| Free Plan Subscriber Capacity(contacts/subscribers) | 250 contacts | — | — |
| Free Plan Monthly Email Limit(emails) | 1,000 emails/month | — | — |
| Global User Base(millions) | 13 million users | — | — |
| G2 Review Rating(stars out of 5) | 4.3/5 stars | — | — |
| Price Scaling Factor at 5,000 Subscribers(relative cost index) | Steep 3-4x multiplier | — | — |
| Free Plan Contact Capacity(contacts) | 500 contacts | — | — |
| Marketing Channels Supported(channels) | Email, basic social | — | — |
| Free Plan Contact Limit(contacts) | 500 | — | — |
| Setup Time for Non-Developers(minutes) | 10-20 minutes | — | — |
| Maximum Monthly Email Limit(emails) | 300,000 (based on plan) | — | — |
| Starting Price (Paid Plan)(USD/month) | $13/month (Essentials) | — | — |
| Maximum Contact Plan(USD/month) | $800/month (100,000 contacts) | — | — |
| G2 Award Count(awards) | Transactional email and small business | — | — |
| API Integration Support(integrations) | 1000+ | — | — |
| User-Friendliness Rating(score) | 3.8/5 | — | — |
| Max Contacts (Starter Plan)(contacts) | 500 (free) / 5,000 (paid) | — | — |
| Email Deliverability Rate(%) | 96.8% | — | — |
| Average Implementation Time(weeks) | 0.08 months (1 hour) | — | — |
| Native CRM Integrations(platforms) | 3 (Salesforce, HubSpot, custom) | — | — |
| Customer Support Response Time(hours) | 12-24 hours (business hours) | — | — |
| Starting Monthly Cost(USD) | $20 | $20-45 | -38% |
| Free Tier Contact Limit(contacts) | 500 contacts | — | — |
| Email Template Library(templates) | 130+ | — | — |
| Learning Curve (1=Easy, 5=Difficult)(scale) | 1 (beginner-friendly) | — | — |
| Starting Monthly Price(USD) | $0 (free tier) | $25 | -100% |
| Pro Plan Monthly Cost (10k subscribers)(USD) | $50 | — | — |
| Ease of Use Rating(G2 Score (1-10)) | 7.8/10 | — | — |
| Pre-built Automation Templates(count) | 300+ | — | — |
| Free Tier Subscriber Limit(subscribers) | 500 | — | — |
| Average eCommerce Email Revenue Per Send(USD) | $72 | $72 | — |
| Starting Price (Email Only)(USD/month) | $20/month (500 contacts) | $20/month (500 contacts) | — |
| eCommerce Email Automation ROI(%) | 4,200% ROI (industry average) | 4,200% ROI (industry average) | — |
| Segmentation Filter Count(filters) | 45+ filters | 45+ filters | — |
| Client Revenue Tracked (Lifetime)(million USD) | $50M+ | $50M+ | — |
| Channels Supported(count) | 3 (Email, SMS, WhatsApp) | 3 (Email, SMS, WhatsApp) | — |
| Platform Rating(out of 5) | 4.7/5 | 4.7/5 | — |
| Typical Onboarding Time(days) | 7-14 | 7-14 | — |
| eCommerce Revenue Attribution(USD per email) | $72 per email sent | $72 per email sent | — |
| eCommerce Platform ROI(%) | Industry average 4,200% | Industry average 4,200% | — |
| Starting Monthly Price(USD) | $20+ (usage-based) | $20+ (usage-based) | — |
| Email Deliverability Rate(%) | 99.2% | 99.2% | — |
| API Rate Limit(requests per second) | 10,000 | 10,000 | — |
| Entry-Level Monthly Price(USD) | $25 | $25 | — |
| Price at 50,000 Contacts(USD) | $720 | $720 | — |
| SMS Cost Per Message(USD) | $0.01-$0.015 | $0.01-$0.015 | — |
| Ease of Use Score(/10) | 6.5 | 6.5 | — |
| Starting Price(USD/month) | Free tier (500 contacts), then $20/month | Free tier (500 contacts), then $20/month | — |
| Email Integrations Count(integrations) | 400+ | 400+ | — |
| Behavioral Automation Triggers(triggers) | 200+ | 200+ | — |
| API Rate Limits(requests/second) | 60 | 60 | — |
| SMS Deliverability Rate(percent) | 98% | 98% | — |
| Free Email Monthly Limit(emails) | None | None | — |
| E-commerce Templates Available(count) | 200+ Shopify-optimized | 200+ Shopify-optimized | — |
| API Rate Limit(requests per second) | 500 req/sec | 500 req/sec | — |
| Open Rate Improvement (avg)(percent increase) | 10-15% with predictive send time | 10-15% with predictive send time | — |
| Deliverability Rating(percent) | 99.1% | 99.1% | — |
All figures sourced from publicly available data. Last updated Jun 2026.
Key Differences
Mailchimp
Attribute
Klaviyo
All-in-one marketing platform
Primary Focus
eCommerce-focused B2C CRM🏆
Contact-based tiers ($13-$100/mo)🏆
Pricing Model
Active profile-based ($20-$720/mo)
Better design variety and customization🏆
Email Template Design
Optimized for data-driven eCommerce
Limited core features
Free Plan Features
Full email features included🏆
Basic contact syncing
Data Integration Strength
Unified customer data foundation🏆
Small businesses and startups
Best For
Growing eCommerce and D2C brands
Standard audience segmentation
Segmentation Capabilities
Advanced behavior-led segmentation🏆
Primary Focus
Mailchimp
All-in-one marketing platform
Klaviyo
eCommerce-focused B2C CRM🏆
Pricing Model
Mailchimp
Contact-based tiers ($13-$100/mo)🏆
Klaviyo
Active profile-based ($20-$720/mo)
Email Template Design
Mailchimp
Better design variety and customization🏆
Klaviyo
Optimized for data-driven eCommerce
Free Plan Features
Mailchimp
Limited core features
Klaviyo
Full email features included🏆
Data Integration Strength
Mailchimp
Basic contact syncing
Klaviyo
Unified customer data foundation🏆
Best For
Mailchimp
Small businesses and startups
Klaviyo
Growing eCommerce and D2C brands
Segmentation Capabilities
Mailchimp
Standard audience segmentation
Klaviyo
Advanced behavior-led segmentation🏆
Full Comparison
| Attribute |  Mailchimp |  Klaviyo |
|---|---|---|
| Core Marketing Channels(channels) | 5 channels | — |
| SMS Marketing Capability | 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 | — |
Show 34 more attributesEmail Templates(count) 200+ — Free Plan Email Features Limited core features only All email features included Email Template Design Options(variety level) Extensive design variety and customization eCommerce-optimized templates Segmentation Capabilities(sophistication level) Standard audience segmentation Advanced behavior-led segmentation Customer Data Integration(depth level) Basic contact data syncing Unified customer data foundation 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 — Email Automation Workflows Advanced (multi-step journeys) — Landing Page Builder Included No, third-party required CRM Functionality Full CRM with customer profiles — Lead Scoring Models Available(types) Behavioral segmentation only — Lead Scoring Sophistication Basic (list segmentation only) — Automation Workflow Complexity(trigger types) ~5 basic automations Unlimited with predictive optimization Email Template Library(templates) 130+ — Account-Based Marketing (ABM) Support No — Pre-built Automation Templates(count) 300+ — Free Tier Subscriber Limit(subscribers) 500 — Campaign Scheduling Smart scheduling with AI optimization — Segmentation Capability Advanced behavioral data segmentation — Channels Supported(count) 3 (Email, SMS, WhatsApp) — AI Features Available Personalized send time optimization — Customer Data Platform Built-in CDP as core foundation — AI-Powered Features(null) Predictive send-time optimization (Q4 2025), AI-driven personalization — Automation Capabilities 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 Capability(native integration) Native SMS included — E-commerce Templates Available(count) 200+ Shopify-optimized — | ||
| Free Plan Available | Yes, up to 500 contacts | — |
| Starting Price (Monthly)(USD) | $0-$20 | — |
| Starting Price (Entry Tier)(USD/month) | $13/month | $20/month |
| Cost at 5,000 Contacts/Profiles(USD/month) | $50-70/month | $100/month |
| Cost at 50,000 Contacts/Profiles(USD/month) | $100/month | $720/month |
Show 20 more attributesMonthly 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 Yes (up to 500 contacts) — Starting Monthly Cost(USD) $20 $20-45 Free Tier Contact Limit(contacts) 500 contacts — Starting Monthly Price(USD) $0 (free tier) $25 Pro Plan Monthly Cost (10k subscribers)(USD) $50 — Starting Price (Email Only)(USD/month) $20/month (500 contacts) — Price at 100K Contacts(USD/month) Varies by plan features — 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 — SMS Cost Per Message(USD) $0.01-$0.015 — Starting Price(USD/month) Free tier (500 contacts), then $20/month — Free Email Monthly Limit(emails) None — | ||
| Learning Curve Rating(difficulty (1-10)) | 7 (moderate to high) | — |
| Setup Complexity(hours) | Steeper learning curve (data-focused) | — |
| Segmentation Depth | Sophisticated data-driven rules | — |
| 24/7 Support Availability | Yes, varies by plan | — |
| Customer Support Response Time(hours) | 12-24 hours (business hours) | — |
| Email Support Cost(USD/month) | Included (higher plans only) | — |
| Customer Support Availability(hours/day) | 24/5 email, phone 9-5 EST | — |
| Automation Complexity Level | Basic (Customer Journey Builder) | Advanced multi-channel |
| Behavioral Automation Triggers(triggers) | 200+ | — |
| Email Deliverability Testing | A/B testing and design testing (free) | — |
| eCommerce Platform Support(platforms) | More extensive platform coverage | — |
| CRM Integration Capabilities | Basic contact management | — |
| API Integration Support(integrations) | 1000+ | — |
| Native CRM Integrations(platforms) | 3 (Salesforce, HubSpot, custom) | — |
| E-commerce Integration Quality | Native integration with major platforms | — |
| User Skill Level Required | Beginner-friendly | — |
| Setup Time for First Campaign(hours) | 1-2 hours | — |
| User Learning Curve(hours) | Minimal (intuitive interface) | — |
| Setup Time for Non-Developers(minutes) | 10-20 minutes | — |
| User-Friendliness Rating(score) | 3.8/5 | — |
Show 4 more attributesLearning Curve Difficulty(score (1-10)) 2/10 (simple) — Learning Curve (1=Easy, 5=Difficult)(scale) 1 (beginner-friendly) — Ease of Use Rating(G2 Score (1-10)) 7.8/10 — Learning Curve(difficulty level) 1-2 weeks — | ||
| Free Plan Subscriber Limit(contacts) | 250 | — |
| Free Plan Contact Limit(contacts) | 500 | — |
| 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 | — |
Show 1 more attributeSMS Marketing Included Yes, native SMS — | ||
| Overage Fees on Paid Plans | Yes - charges per contact/send overages | — |
| Third-Party Integrations(integrations) | 1000+ | — |
| Third-Party Integrations Available(integrations) | 1,200+ | — |
| Pre-built Integrations(integrations) | Extensive custom via API | — |
| Analytics & Reporting Depth | Comprehensive campaign performance and subscriber insights | — |
| Entry-Level Paid Plan Price(USD/month) | $20 | — |
| AI Personalization Engine | Basic personalization features | — |
| Trigger-Based Automation Workflows | Available but less intuitive setup | — |
| User Interface Modernity(rating) | Legacy interface, steep learning curve | — |
| Ease of Use Score(/10) | 6.5 | — |
| CRM Integration | Full native CRM platform integrated | — |
| Monthly Email Send Limit (Entry Plan)(emails/month) | 1,000-5,000 | 5,000+ |
| Contact List Size Limit (Standard Pricing)(contacts) | Unlimited growth with pro-rated pricing | — |
| Maximum Monthly Email Limit(emails) | 300,000 (based on plan) | — |
| Maximum Subscriber Limit(contacts) | Unlimited | — |
| 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(millions) | 13 million users | — |
| G2 Review Rating(stars out of 5) | 4.3/5 stars | — |
| Free Plan Contact Capacity(contacts) | 500 contacts | — |
| Free Plan SMS Capability | Not included | — |
| Entry-Level Pricing Accessibility | Higher minimum investment required | — |
| 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 | — |
| Integration Capabilities(/10) | Third-party integrations | — |
| Native Salesforce CRM Integration | No (Zapier third-party only) | — |
| Shopify Native Integration Depth(null) | Deep native with purchase-event segmentation | — |
| G2 Award Count(awards) | Transactional email and small business | — |
| A/B Testing | All paid plans | Yes, multi-channel A/B testing |
| Max Contacts (Starter Plan)(contacts) | 500 (free) / 5,000 (paid) | — |
| Email Deliverability Rate(%) | 96.8% | — |
| Email Deliverability Rate(%) | 99.2% | — |
| SMS Deliverability Rate(percent) | 98% | — |
| Open Rate Improvement (avg)(percent increase) | 10-15% with predictive send time | — |
| Deliverability Rating(percent) | 99.1% | — |
| Average Implementation Time(weeks) | 0.08 months (1 hour) | — |
| Free Trial Length(days) | Free tier (unlimited) | — |
| Built-in Monetization Tools(features) | None (requires third-party solutions) | — |
| 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+ | — |
| Platform Rating(out of 5) | 4.7/5 | — |
| Deliverability Grade | Enterprise-grade, proven at scale with dedicated infrastructure | — |
| Typical Onboarding Time(days) | 7-14 | — |
| eCommerce Revenue Attribution(USD per email) | $72 per email sent | — |
| eCommerce Platform ROI(%) | Industry average 4,200% | — |
| Primary Geographic Strength(null) | North America eCommerce focus | — |
| API Rate Limit(requests per second) | 10,000 | — |
| Mobile App Users(millions) | 150,000+ e-commerce merchants | — |
| API Rate Limits(requests/second) | 60 | — |
| API Rate Limit(requests per second) | 500 req/sec | — |
MailchimpKlaviyoCore Marketing Channels(channels)
5 channels
—
SMS Marketing Capability
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
—
Show 34 more attributes
Email Templates(count)
200+
—
Free Plan Email Features
Limited core features only
All email features included
Email Template Design Options(variety level)
Extensive design variety and customization
eCommerce-optimized templates
Segmentation Capabilities(sophistication level)
Standard audience segmentation
Advanced behavior-led segmentation
Customer Data Integration(depth level)
Basic contact data syncing
Unified customer data foundation
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
—
Email Automation Workflows
Advanced (multi-step journeys)
—
Landing Page Builder
Included
No, third-party required
CRM Functionality
Full CRM with customer profiles
—
Lead Scoring Models Available(types)
Behavioral segmentation only
—
Lead Scoring Sophistication
Basic (list segmentation only)
—
Automation Workflow Complexity(trigger types)
~5 basic automations
Unlimited with predictive optimization
Email Template Library(templates)
130+
—
Account-Based Marketing (ABM) Support
No
—
Pre-built Automation Templates(count)
300+
—
Free Tier Subscriber Limit(subscribers)
500
—
Campaign Scheduling
Smart scheduling with AI optimization
—
Segmentation Capability
Advanced behavioral data segmentation
—
Channels Supported(count)
3 (Email, SMS, WhatsApp)
—
AI Features Available
Personalized send time optimization
—
Customer Data Platform
Built-in CDP as core foundation
—
AI-Powered Features(null)
Predictive send-time optimization (Q4 2025), AI-driven personalization
—
Automation Capabilities
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 Capability(native integration)
Native SMS included
—
E-commerce Templates Available(count)
200+ Shopify-optimized
—
Free Plan Available
Yes, up to 500 contacts
—
Starting Price (Monthly)(USD)
$0-$20
—
Starting Price (Entry Tier)(USD/month)
$13/month
$20/month
Cost at 5,000 Contacts/Profiles(USD/month)
$50-70/month
$100/month
Cost at 50,000 Contacts/Profiles(USD/month)
$100/month
$720/month
Show 20 more attributes
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
Yes (up to 500 contacts)
—
Starting Monthly Cost(USD)
$20
$20-45
Free Tier Contact Limit(contacts)
500 contacts
—
Starting Monthly Price(USD)
$0 (free tier)
$25
Pro Plan Monthly Cost (10k subscribers)(USD)
$50
—
Starting Price (Email Only)(USD/month)
$20/month (500 contacts)
—
Price at 100K Contacts(USD/month)
Varies by plan features
—
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
—
SMS Cost Per Message(USD)
$0.01-$0.015
—
Starting Price(USD/month)
Free tier (500 contacts), then $20/month
—
Free Email Monthly Limit(emails)
None
—
Learning Curve Rating(difficulty (1-10))
7 (moderate to high)
—
Setup Complexity(hours)
Steeper learning curve (data-focused)
—
Segmentation Depth
Sophisticated data-driven rules
—
24/7 Support Availability
Yes, varies by plan
—
Customer Support Response Time(hours)
12-24 hours (business hours)
—
Email Support Cost(USD/month)
Included (higher plans only)
—
Customer Support Availability(hours/day)
24/5 email, phone 9-5 EST
—
Automation Complexity Level
Basic (Customer Journey Builder)
Advanced multi-channel
Behavioral Automation Triggers(triggers)
200+
—
Email Deliverability Testing
A/B testing and design testing (free)
—
eCommerce Platform Support(platforms)
More extensive platform coverage
—
CRM Integration Capabilities
Basic contact management
—
API Integration Support(integrations)
1000+
—
Native CRM Integrations(platforms)
3 (Salesforce, HubSpot, custom)
—
E-commerce Integration Quality
Native integration with major platforms
—
User Skill Level Required
Beginner-friendly
—
Setup Time for First Campaign(hours)
1-2 hours
—
User Learning Curve(hours)
Minimal (intuitive interface)
—
Setup Time for Non-Developers(minutes)
10-20 minutes
—
User-Friendliness Rating(score)
3.8/5
—
Show 4 more attributes
Learning Curve Difficulty(score (1-10))
2/10 (simple)
—
Learning Curve (1=Easy, 5=Difficult)(scale)
1 (beginner-friendly)
—
Ease of Use Rating(G2 Score (1-10))
7.8/10
—
Learning Curve(difficulty level)
1-2 weeks
—
Free Plan Subscriber Limit(contacts)
250
—
Free Plan Contact Limit(contacts)
500
—
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
—
Show 1 more attribute
SMS Marketing Included
Yes, native SMS
—
Overage Fees on Paid Plans
Yes - charges per contact/send overages
—
Third-Party Integrations(integrations)
1000+
—
Third-Party Integrations Available(integrations)
1,200+
—
Pre-built Integrations(integrations)
Extensive custom via API
—
Analytics & Reporting Depth
Comprehensive campaign performance and subscriber insights
—
Entry-Level Paid Plan Price(USD/month)
$20
—
AI Personalization Engine
Basic personalization features
—
Trigger-Based Automation Workflows
Available but less intuitive setup
—
User Interface Modernity(rating)
Legacy interface, steep learning curve
—
Ease of Use Score(/10)
6.5
—
CRM Integration
Full native CRM platform integrated
—
Monthly Email Send Limit (Entry Plan)(emails/month)
1,000-5,000
5,000+
Contact List Size Limit (Standard Pricing)(contacts)
Unlimited growth with pro-rated pricing
—
Maximum Monthly Email Limit(emails)
300,000 (based on plan)
—
Maximum Subscriber Limit(contacts)
Unlimited
—
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(millions)
13 million users
—
G2 Review Rating(stars out of 5)
4.3/5 stars
—
Free Plan Contact Capacity(contacts)
500 contacts
—
Free Plan SMS Capability
Not included
—
Entry-Level Pricing Accessibility
Higher minimum investment required
—
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
—
Integration Capabilities(/10)
Third-party integrations
—
Native Salesforce CRM Integration
No (Zapier third-party only)
—
Shopify Native Integration Depth(null)
Deep native with purchase-event segmentation
—
G2 Award Count(awards)
Transactional email and small business
—
A/B Testing
All paid plans
Yes, multi-channel A/B testing
Max Contacts (Starter Plan)(contacts)
500 (free) / 5,000 (paid)
—
Email Deliverability Rate(%)
96.8%
—
Email Deliverability Rate(%)
99.2%
—
SMS Deliverability Rate(percent)
98%
—
Open Rate Improvement (avg)(percent increase)
10-15% with predictive send time
—
Deliverability Rating(percent)
99.1%
—
Average Implementation Time(weeks)
0.08 months (1 hour)
—
Free Trial Length(days)
Free tier (unlimited)
—
Built-in Monetization Tools(features)
None (requires third-party solutions)
—
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+
—
Platform Rating(out of 5)
4.7/5
—
Deliverability Grade
Enterprise-grade, proven at scale with dedicated infrastructure
—
Typical Onboarding Time(days)
7-14
—
eCommerce Revenue Attribution(USD per email)
$72 per email sent
—
eCommerce Platform ROI(%)
Industry average 4,200%
—
Primary Geographic Strength(null)
North America eCommerce focus
—
API Rate Limit(requests per second)
10,000
—
Mobile App Users(millions)
150,000+ e-commerce merchants
—
API Rate Limits(requests/second)
60
—
API Rate Limit(requests per second)
500 req/sec
—
Visual Comparison
Side-by-side comparison of numeric attributes
Pros & Cons
Mailchimp
5 pros3 cons
Pros
- More affordable starting price ($13/month for entry-level)
- Better email template design variety and quick customization
- User-friendly interface for beginners
- Includes marketing automation, landing pages, and ads
- Lower cost of ownership for contact lists under 10,000
Cons
- Limited free plan with feature restrictions
- Basic data integration and contact syncing capabilities
- Less powerful segmentation for eCommerce behavior tracking
Klaviyo
5 pros3 cons
Pros
- Full email features available on free plan
- Unified customer data foundation for deeper insights
- Superior behavior-led segmentation capabilities
- Optimized templates and workflows for eCommerce
- Advanced lifecycle marketing automation
Cons
- Higher costs at scale ($720/month at 50,000 profiles)
- Pricing model can be unpredictable as business grows
- Steeper learning curve for advanced features
Frequently Asked Questions
Mailchimp is significantly cheaper for small businesses, starting at $13/month compared to Klaviyo's $20/month. For lists under 10,000 contacts, Mailchimp's contact-based pricing remains more affordable. However, Klaviyo's free plan offers more features, making it better for bootstrapped startups.
Resources & Learn More
Dive deeper with these curated resources
Where to Buy
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Last updated: April 13, 2026AI generated