SimpliSafe vs ADT 2026: Cost, Monitoring & Contracts
SimpliSafe is a DIY, self-monitored security system with no contracts starting at $14.99/month, while ADT is a professional monitoring service with installation fees and 3-year contracts starting at $28.99/month. SimpliSafe prioritizes affordability and flexibility; ADT prioritizes professional monitoring and established infrastructure.
SimpliSafe
Affordable DIY home security system with flexible month-to-month plans and optional professional monitoring.
Budget-conscious homeowners, renters, tech-savvy users who want control and flexibility
ADT
Established professional home security provider with 24/7 monitored service and professional installation.
Homeowners seeking professional monitoring peace of mind, those who value brand heritage, users who prefer no DIY involvement
Quick Answer
AI SummarySimpliSafe is a DIY, self-monitored security system with no contracts starting at $14.99/month, while ADT is a professional monitoring service with installation fees and 3-year contracts starting at $28.99/month. SimpliSafe prioritizes affordability and flexibility; ADT prioritizes professional monitoring and established infrastructure.
Our Verdict
AI-assistedChoose SimpliSafe if you want maximum flexibility, lower costs, and don't mind self-monitoring or optional professional monitoring. Choose ADT if you prefer the peace of mind of always-included professional 24/7 monitoring and value an established brand with historical reliability, despite higher costs and contract commitments.
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Choose SimpliSafe if
Best pickBudget-conscious homeowners, renters, tech-savvy users who want control and flexibility
Choose ADT if
Homeowners seeking professional monitoring peace of mind, those who value brand heritage, users who prefer no DIY involvement
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Key Differences at a Glance
- Monthly Monitoring Cost:✓ SimpliSafe wins($14.99-$24.99 vs $28.99-$55+)
- Contract Requirement:✓ SimpliSafe wins(No contract (month-to-month) vs 3-year contract required)
- Installation Type:✓ SimpliSafe wins(DIY (15-30 minutes) vs Professional installation (2-4 hours))
Key Facts & Figures
31 numeric metrics compared
| Metric | SimpliSafe | ADT | Ratio |
|---|---|---|---|
| Basic Monitoring Monthly Cost(USD/month) | $24.99-$34.99 | — | — |
| Camera Minimum Resolution(p) | 1080p HD | — | — |
| Monthly Monitoring Cost(USD) | $15-30 | — | — |
| Entry-Level System Cost(USD) | $230 | — | — |
| Wireless Sensors(count) | 15+ sensor types | — | — |
| Battery Backup Duration(hours) | 24+ hours | — | — |
| Smart Home Integrations(platforms) | Alexa, Google Home | — | — |
| Professional Monitoring Response(minutes) | <60 minutes dispatch | — | — |
| Base System Cost(USD) | $199 | — | — |
| Monthly Professional Monitoring(USD/month) | $24.99 | — | — |
| Average Setup Time(days) | 17.5 | — | — |
| Mobile App Rating(stars out of 5) | 4.6/5 | — | — |
| Mobile App Reviews Count(reviews) | 180,000 | — | — |
| Equipment Purchase Price(USD) | $299-$499 | $0-$200 (often waived) | |
| Typical Contract Length(years) | No contract (month-to-month) | 3-5 years | |
| Installation Time(minutes) | 30-60 minutes DIY | 2-4 hours (professional) | |
| Customer Satisfaction Rating(%) | 4.5/5 (8,200+ reviews) | 3.8/5 (6,500+ reviews) | |
| Years in Business(years) | 15 years (founded 2010) | 82 years (founded 1942) | |
| Monthly Professional Monitoring(USD) | $15/month | — | — |
| Starter Kit Cost(USD) | $229 | — | — |
| Professional Installation Fee(USD) | $0 (DIY) | — | — |
| Wireless Sensor Range(feet) | 700+ feet | — | — |
| Free Cloud Video Storage(hours per day) | 1 hour (requires paid plan) | — | — |
| Base Monthly Monitoring Cost(USD) | $14.99 | $28.99 | |
| Professional Installation Cost(USD) | $0 (DIY) | $99-199 | |
| Minimum Contract Length(months) | Month-to-month | 36-month contract | |
| DIY Installation Time(minutes) | 15-30 minutes | Professional (120-240 min) | |
| Mobile App Rating (iOS)(stars out of 5) | 4.5 stars | 3.8 stars | |
| Professional Monitoring Response Time(seconds average) | N/A (optional self-monitor) | 90 seconds | — |
| Customer Satisfaction Rating (2025)(percent satisfied) | 82% | 71% | |
| Number of Monitoring Centers(count) | 8 regional centers | 15+ nationwide |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
- $14.99-$24.99(winner)Monthly Monitoring Cost$28.99-$55+
- No contract (month-to-month)(winner)Contract Requirement3-year contract required
- DIY (15-30 minutes)(winner)Installation TypeProfessional installation (2-4 hours)
- $0-99(winner)Installation Cost$99-199
- Optional add-on ($14.99/month)Professional MonitoringAlways included(winner)
- 4.5 stars / 4.3 stars(winner)Mobile App Rating (iOS/Android)3.8 stars / 3.6 stars
- 82% satisfied(winner)Customer Satisfaction (2025)71% satisfied
- Monthly Monitoring Cost
SimpliSafe
$14.99-$24.99(winner)
ADT
$28.99-$55+
- Contract Requirement
SimpliSafe
No contract (month-to-month)(winner)
ADT
3-year contract required
- Installation Type
SimpliSafe
DIY (15-30 minutes)(winner)
ADT
Professional installation (2-4 hours)
- Installation Cost
SimpliSafe
$0-99(winner)
ADT
$99-199
- Professional Monitoring
SimpliSafe
Optional add-on ($14.99/month)
ADT
Always included(winner)
- Mobile App Rating (iOS/Android)
SimpliSafe
4.5 stars / 4.3 stars(winner)
ADT
3.8 stars / 3.6 stars
- Customer Satisfaction (2025)
SimpliSafe
82% satisfied(winner)
ADT
71% satisfied
Full Comparison
| Attribute | SimpliSafe | ADT |
|---|---|---|
| Basic Monitoring Monthly Cost(USD/month) | $24.99-$34.99 | — |
| Monthly Monitoring Cost(USD) | $15-30 | — |
| Entry-Level System Cost(USD) | $230 | — |
| Base System Cost(USD) | $199 | — |
| Monthly Professional Monitoring(USD/month) | $24.99 | — |
Show 6 more attributesEquipment Purchase Price(USD) $299-$499 $0-$200 (often waived) Monthly Professional Monitoring(USD) $15/month — Starter Kit Cost(USD) $229 — Professional Installation Fee(USD) $0 (DIY) — Base Monthly Monitoring Cost(USD) $14.99 $28.99 Professional Installation Cost(USD) $0 (DIY) $99-199 | ||
| Professional 24/7 Monitoring Included | Yes, in-house trained monitors | — |
| Wireless Sensors(count) | 15+ sensor types | — |
| Free Cloud Video Storage(hours per day) | 1 hour (requires paid plan) | — |
| AI Video Detection Capabilities | Motion and activity alerts only | — |
| Outdoor Camera Night Vision Type | Color night vision | — |
| Camera Minimum Resolution(p) | 1080p HD | — |
| Two-Way Audio | Yes, standard feature | — |
| AI Person Detection | Yes, with facial recognition limitations | — |
| Smart Home Ecosystem Integration | Limited third-party support | — |
| Smart Home Integrations(platforms) | Alexa, Google Home | — |
| Smart Home Platform Support | Google Home, Alexa, Apple HomeKit | — |
| Active Guard Real-Time Response | Yes, proprietary feature with trained monitors | — |
| Battery Backup Duration(hours) | 24+ hours | — |
| Professional Monitoring Response(minutes) | <60 minutes dispatch | — |
| Contract Requirement | Month-to-month available | — |
| Contract Term Required | None (month-to-month) | — |
| Average Setup Time(days) | 17.5 | — |
| Data Processing Location | Cloud-only (AWS servers) | — |
| HomeKit Integration | Not supported | — |
| Mobile App Rating(stars out of 5) | 4.6/5 | — |
| Mobile App Reviews Count(reviews) | 180,000 | — |
| Customer Satisfaction Rating(%) | 4.5/5 (8,200+ reviews)(winner) | 3.8/5 (6,500+ reviews) |
| Mobile App Rating (iOS)(stars out of 5) | 4.5 stars(winner) | 3.8 stars |
| Contract Type | Month-to-month only | — |
| Typical Contract Length(years) | No contract (month-to-month)(winner) | 3-5 years |
| Installation Time(minutes) | 30-60 minutes DIY(winner) | 2-4 hours (professional) |
| 24/7 Professional Monitoring | Yes (UL-certified) | Yes (UL-certified) |
| Mobile App Control & Alerts | Full real-time control, live video, instant alerts | Full real-time control, live video, instant alerts |
| Years in Business(years) | 15 years (founded 2010) | 82 years (founded 1942)(winner) |
| Wireless Sensor Range(feet) | 700+ feet | — |
| Minimum Contract Length(months) | Month-to-month(winner) | 36-month contract |
| DIY Installation Time(minutes) | 15-30 minutes(winner) | Professional (120-240 min) |
| Professional Monitoring Response Time(seconds average) | N/A (optional self-monitor) | 90 seconds |
| Customer Satisfaction Rating (2025)(percent satisfied) | 82%(winner) | 71% |
| Number of Monitoring Centers(count) | 8 regional centers | 15+ nationwide(winner) |
Show 6 more attributes
Pros & Cons
10 pros·6 cons across both
SimpliSafe
Pros
- No long-term contracts; cancel anytime
- Starting at $14.99/month for self-monitoring (lowest industry entry price)
- DIY installation takes 15-30 minutes with no technician needed
- Mobile app rated 4.5 stars with intuitive controls
- Integrated with Amazon Alexa, Google Home, and IFTTT
Cons
- Self-monitoring requires you to respond to alerts (24/7 responsibility)
- Smaller monitoring center network means slower emergency response in some regions
ADT
Pros
- 24/7 professional monitoring always included with fast emergency dispatch (average 90 seconds)
- 70+ years of industry experience and brand recognition
- Professional installation ensures proper system configuration
- Bundled packages available with video surveillance and home automation
- Nationwide infrastructure with multiple monitoring centers
Cons
- Requires 3-year contract with early termination fees ($99-300+)
- Starting monthly cost of $28.99+ is 2x SimpliSafe's entry price
- Mobile app rated 3.8 stars with reported lag and navigation issues
- Professional installation adds $99-199 upfront cost
Frequently Asked Questions
5 questions
No. SimpliSafe operates on month-to-month billing with no long-term contracts. You can cancel anytime without penalties. ADT requires a 3-year contract with early termination fees of $99-$300+.
Resources & Learn More
Curated sources to dive deeper
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