SimpliSafe vs ADT 2026: Which Home Security Wins?
SimpliSafe is a DIY, contract-free security system starting at $15/month with professional monitoring, while ADT is a professionally installed system with 24/7 monitoring starting at $28.99/month and requiring long-term contracts. SimpliSafe offers flexibility and lower upfront costs; ADT provides comprehensive professional service and brand recognition.
SimpliSafe
Affordable DIY home security system with flexible month-to-month plans and optional professional monitoring.
Renters, homeowners who value flexibility, tech-savvy users comfortable with DIY setup, and those wanting lower monthly costs without long-term commitment.
ADT
Established professional home security provider with 24/7 monitored service and professional installation.
Homeowners wanting professional installation, those who value brand longevity and don't move frequently, and customers who prefer talking to a technician for system design and troubleshooting.
Quick Answer
AI SummarySimpliSafe is a DIY, contract-free security system starting at $15/month with professional monitoring, while ADT is a professionally installed system with 24/7 monitoring starting at $28.99/month and requiring long-term contracts. SimpliSafe offers flexibility and lower upfront costs; ADT provides comprehensive professional service and brand recognition.
Our Verdict
AI-assistedChoose SimpliSafe if you want flexibility, lower monthly costs, no long-term commitment, and prefer DIY installation with quick setup. Choose ADT if you want professional installation included, don't mind contracts, prefer dealing with an established 80+ year brand, and value direct technician support for complex setups.
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Choose SimpliSafe if
Best pickRenters, homeowners who value flexibility, tech-savvy users comfortable with DIY setup, and those wanting lower monthly costs without long-term commitment.
Choose ADT if
Homeowners wanting professional installation, those who value brand longevity and don't move frequently, and customers who prefer talking to a technician for system design and troubleshooting.
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Key Differences at a Glance
- Installation Type:✓ SimpliSafe wins(DIY (self-installed in 30-60 minutes) vs Professional installation by ADT technicians)
- Monthly Monitoring Cost (Base):✓ SimpliSafe wins($15.99/month vs $28.99/month)
- Contract Length:✓ SimpliSafe wins(No contract (month-to-month) vs 3-5 year contract required)
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) | 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(stars/5) | 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
- DIY (self-installed in 30-60 minutes)(winner)Installation TypeProfessional installation by ADT technicians
- $15.99/month(winner)Monthly Monitoring Cost (Base)$28.99/month
- No contract (month-to-month)(winner)Contract Length3-5 year contract required
- $299-$499 upfrontEquipment Cost$0-$200 (often waived with contract)(winner)
- Yes (UL-certified)24/7 Professional MonitoringYes (UL-certified, established 1942)
- Yes, full control and alertsMobile App ControlYes, full control and alerts
- 4.5/5 stars (8,200+ reviews, ConsumerAffairs 2025)(winner)Average Customer Satisfaction3.8/5 stars (6,500+ reviews, ConsumerAffairs 2025)
- Installation Type
SimpliSafe
DIY (self-installed in 30-60 minutes)(winner)
ADT
Professional installation by ADT technicians
- Monthly Monitoring Cost (Base)
SimpliSafe
$15.99/month(winner)
ADT
$28.99/month
- Contract Length
SimpliSafe
No contract (month-to-month)(winner)
ADT
3-5 year contract required
- Equipment Cost
SimpliSafe
$299-$499 upfront
ADT
$0-$200 (often waived with contract)(winner)
- 24/7 Professional Monitoring
SimpliSafe
Yes (UL-certified)
ADT
Yes (UL-certified, established 1942)
- Mobile App Control
SimpliSafe
Yes, full control and alerts
ADT
Yes, full control and alerts
- Average Customer Satisfaction
SimpliSafe
4.5/5 stars (8,200+ reviews, ConsumerAffairs 2025)(winner)
ADT
3.8/5 stars (6,500+ reviews, ConsumerAffairs 2025)
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) | 4.6/5 | — |
| Mobile App Reviews Count(reviews) | 180,000 | — |
| 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) |
| Customer Satisfaction Rating(stars/5) | 4.5/5 (8,200+ reviews)(winner) | 3.8/5 (6,500+ reviews) |
| 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 contract required (cancel anytime)
- Starting at $15.99/month for professional monitoring
- DIY installation takes 30-60 minutes, no technician needed
- Equipment costs $299-$499 upfront (one-time)
- Mobile app with real-time alerts, live video, and system control
Cons
- Customer support rated 3.9/5 stars on Trustpilot (2025)
- Limited integration with third-party smart home systems
- Equipment design and reliability concerns cited in 12% of negative reviews
ADT
Pros
- Professional installation included with trained ADT technicians
- Established brand with 80+ years of security expertise (founded 1942)
- 24/7 UL-certified professional monitoring and emergency dispatch
- Competitive equipment pricing often reduced or waived with contract
- Integrates with popular smart home platforms (Google Home, Alexa)
Cons
- Requires 3-5 year contract with early termination fees ($150-$500)
- Monthly monitoring costs start at $28.99 (nearly 2x SimpliSafe)
- Customer satisfaction at 3.8/5 stars; 18% of reviews mention contract disputes
Frequently Asked Questions
5 questions
SimpliSafe costs less monthly ($15.99 vs $28.99), but you pay $299-$499 upfront for equipment. Over 3 years, SimpliSafe costs roughly $874 total, while ADT with a 3-year contract averages $1,040+ depending on equipment deals. SimpliSafe wins for budget-conscious users; ADT wins if you want $0 upfront equipment.
Resources & Learn More
Curated sources to dive deeper
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