America's #1 home security resource 100% free advice
Our hands-on verdict on the wireless, no-contract alarm system we rank #1 overall
Who it's for: homeowners who want reliable, expandable protection they can install themselves, with monitoring only if and when they want it.
This assessment is editorial and based on hands-on testing combined with research into manufacturer specs, owner feedback and independent reports. Specifications, plan pricing and bundle contents change often — verify the current details on the retailer's page before you buy.
SimpliSafe earns its #1 spot by getting the fundamentals right. Setup is the headline: the 8-piece Beacon kit pairs out of the box, sensors are peel-and-stick, and a full ground floor goes up in well under an hour with no tools. The base station gives clear voice prompts, and the keypad's arm/disarm modes (Home, Away, Off) are obvious enough that the whole household uses them without complaint.
Detection is where it really separates from cheaper kits. Across day-to-day use the entry and motion sensors triggered consistently without the nuisance trips that plague budget systems — the motion sensors are pet-tolerant up to roughly 50 lbs, which keeps false alarms down. The 95 dB+ siren is genuinely loud, and the optional Fast Protect monitoring layers in 24/7 professional response, cellular backup and (with a camera) verified alarms that can speed up police dispatch.
The app is clean and fast, arming history and sensor status are easy to read, and over-the-air updates have steadily added features. The trade-offs are predictable: the best features (recordings, cellular, monitoring) sit behind a paid plan, larger kits get pricey, and the smart-home story is thinner than Abode's. None of that dents its standing as the most reliable, lowest-fuss system for most homes.
| Type | Wireless DIY alarm system |
| Kit reviewed | The Beacon, 8-piece (base station, keypad, entry & motion sensors) |
| Monitoring | Self-monitored free; optional 24/7 Fast Protect plan, no contract |
| Connectivity | Wi-Fi + cellular backup (on monitored plans) |
| Power backup | Base station battery (~24 h) |
| Siren | 95 dB+ base station siren |
| Smart home | Amazon Alexa, Google Assistant, August locks (no HomeKit) |
| Indicative price | ~$280 (8-piece kit) |
The best-value alternative. A bit cheaper, dead-simple to install, and built around a Wi-Fi 6 router with LTE backup — ideal if you're already in the Amazon/Ring ecosystem. Best features need a Ring Protect plan.
View on AmazonThe smart-home pick. Works with Alexa, Google Home and Apple HomeKit with deep automation, plus optional on-demand monitoring. Costs a little more and the initial setup is more involved.
View on AmazonWant the full picture? See how SimpliSafe stacks up against six rivals in our best home alarm systems comparison →
Yes. SimpliSafe works as a self-monitored, no-contract system: the keypad and base station still sound the siren and the app still sends push alerts with no plan. A paid Fast Protect plan adds 24/7 professional monitoring, cellular backup and camera recordings, but it's optional — you can start self-monitored and add it later.
It is genuinely DIY. Sensors are peel-and-stick, the base station and keypad pair out of the box, and most homeowners finish an 8-piece kit in 30 to 60 minutes with no tools and no drilling. The app walks you through naming each sensor and arming modes.
It works with Amazon Alexa and Google Assistant for voice arming and status checks, and integrates with August smart locks. It does not support Apple HomeKit, and its third-party smart-home ecosystem is narrower than Abode, so heavy automation users may prefer an open hub.
The base station has a backup battery (rated for roughly 24 hours) and, on monitored plans, a built-in cellular connection, so the system keeps protecting your home even if the power or Wi-Fi drops. Self-monitored users lose remote app alerts during an internet outage but the local siren still sounds.
