SimpliSafe vs ADT 2026: Full Comparison and Which to Choose

By Ethan Halfhide · Updated

SimpliSafe vs ADT is the most common home security comparison in 2026, and the decision often comes down to one question: do you want a long-term professional installation or a flexible no-contract DIY system? ADT offers unmatched brand recognition and installation depth; SimpliSafe offers cellular monitoring with no contracts and significantly lower equipment costs.

Brand overview

SimpliSafe is a DIY home security brand with no long-term contracts, equipment starting around $250, and professional monitoring starting at $19.99/month. ADT is the largest professionally installed security company in North America, with equipment installed by technicians, monitoring from $24.99 to $59.99/month, and contracts typically running 36 months. See more in our SimpliSafe home security system guide.

Side-by-side comparison

FeatureSimpliSafeADTSetupDIY self-installProfessional installationContractNo contract36-month typicalMonitoring from$19.99/month$24.99/monthEquipment cost$250–$500+$99–$500+ (with monitoring)Cellular backupYes (standard)Yes (on most plans)Smart homeAlexa, Google, HomeKitAlexa, Google (limited)Camera optionsOutdoor, Indoor, DoorbellOutdoor, Indoor, DoorbellRelocationEasy (take system with you)Difficult (new contract)

Verdict

SimpliSafe wins for renters, frequent movers, and anyone who wants monitoring without a contract. ADT wins for homeowners who want professional installation, equipment warranties, and the confidence of 24/7 on-site response. For most modern buyers, SimpliSafe offers better value with less commitment. Pair with our Best doorbell cameras for home 2026 picks or browse Ring doorbell alternatives.

If you are leaving a monitored contract with another provider, see switching from Vivint for the options we recommend.

Cameras that pair with either system

1
Ring Video Doorbell Pro 2

Ring

Ring Video Doorbell Pro 2

Hardwired 1536p doorbell with 3D radar motion and head-to-toe video.

$230
$200+
  • +1536p head-to-toe field of view captures packages on the ground
  • +3D radar motion detection with customizable distance zones
  • −Ring Protect subscription ($4.99+/month) required for cloud recording and AI detection
  • −Hardwired only, requires existing doorbell wiring or electrician installation
2
eufy Indoor Cam S350

Eufy

eufy Indoor Cam S350

4K dual-camera pan-and-tilt indoor cam with local storage and no monthly fee.

$140
$100-$200
  • +Dual-camera 4K design with 3x optical and up to 8x digital zoom
  • +Local storage with no monthly fee, including 24/7 recording
  • −Plug-in only, needs a power outlet nearby
  • −No HomeKit or Google Home support, per eufy
3
Arlo Pro 5S 2K Wireless Security Camera

Arlo

Arlo Pro 5S 2K Wireless Security Camera

2K HDR wire-free camera with color night vision and a built-in spotlight.

$170
$200+
  • +Fully wire-free, rechargeable battery with magnetic quick-mount install
  • +2K HDR sensor with built-in color spotlight for true color night vision
  • −Cloud recording and AI detection require Arlo Secure subscription ($8+/month)
  • −Battery requires periodic recharging, frequency depends on motion activity
AlexaGoogle HomeHomeKit
4
Wyze Cam v4

Wyze

Wyze Cam v4

Ultra-affordable color night vision camera with optional cloud and local storage

$45
$25-$75
  • +Extremely affordable
  • +Color night vision
  • −Person, pet, package and vehicle detection need a paid Wyze plan
  • −No HomeKit support listed by Wyze

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Frequently asked questions

Is SimpliSafe cheaper than ADT?

Yes, significantly. SimpliSafe monitoring starts at $19.99/month vs ADT starting at $24.99/month, and SimpliSafe equipment costs less upfront with no professional installation fee. Over a 36-month period, SimpliSafe is typically 40-60% cheaper than ADT.

Does SimpliSafe work if the power goes out?

Yes. SimpliSafe systems include a battery backup that keeps the system running for up to 24 hours during a power outage. The cellular connection also continues to work independently of your home Wi-Fi and internet.

Can I cancel SimpliSafe monitoring anytime?

Yes. SimpliSafe has no contracts for its monitoring plans. You can cancel anytime without penalty, which is a major advantage over ADT which typically requires 36-month contracts with early termination fees.

About the author

Ethan Halfhide: Ethan Halfhide is a smart home enthusiast and AI technologist who follows the connected home market closely, from smart locks and security cameras to robot vacuums, lighting, sensors and hubs. He curates HomeGearLab's device directory, comparing products on published specs, compatibility, setup requirements and price so readers can pick gear that fits their home and works together.