Circuit & Chime

SimpliSafe Review

The system that made DIY home security mainstream: no contract, genuinely free self-monitoring, and professional dispatch only if you want it. Here's who it suits and where it doesn't.

By Stephen V.Last updated How we test

How this is funded:we earn a commission if you buy through our links, at no extra cost to you. It never changes which product we recommend, and we’ll tell you plainly when we’d skip one. Full disclosure.

Our verdict — The best all-round DIY system

SimpliSafe 8-Piece Wireless System

The system that made DIY security mainstream: peel-and-stick sensors, no contract, and genuinely useful free self-monitoring. Add professional monitoring only if you want a dispatch service.

Strengths

  • No contract, month-to-month monitoring
  • Free self-monitoring from the app
  • Easy DIY install, expandable à la carte

Trade-offs

  • Camera recording needs a paid plan
  • Older generations weren't end-to-end encrypted (newer gen improved this)
  • Proprietary sensors — no Z-Wave or Zigbee
Key spec8-piece DIY alarm, no contract
SubscriptionNo — works without a plan
Local storageNot applicable (alarm sensors)
ConnectivityCellular + Wi-Fi (base station)
PowerBase plug-in with battery backup; wireless sensors
Works withAlexa, Google Home

Specs read from the product listing, on July 20, 2026. “Not published” means the brand does not state that figure.

Who SimpliSafe is for

SimpliSafe is the answer for the person who wants a real, expandable alarm system without a technician, a two-year contract, or a mandatory monthly bill. It earned its reputation by taking the three things people hated about traditional security — the installer, the contract, and the lock-in — and removing all of them. You buy a kit, stick the sensors on, and you’re protected the same afternoon.

The 8-piece kit reviewed here suits an apartment or a small-to-mid house: a base station, a keypad, an entry sensor or two, a motion sensor, and the essentials. Bigger homes simply add more sensors individually, which is part of the appeal — you’re never paying for a bundle you don’t need.

What it gets right

The headline is that self-monitoring is genuinely free.Out of the box, the app arms and disarms the system and sends an instant push notification the moment a door opens or a motion sensor trips. For a lot of households, that’s the whole job done at no recurring cost. When you do want a staffed monitoring center — the service that answers the alarm and can dispatch authorities while you’re asleep or away — SimpliSafe offers it month-to-month, with no contract, so you can turn it on for a vacation and off again without penalty. If you go that route, it’s worth choosing a provider whose center meets the UL 827 standard for alarm monitoring, which SimpliSafe’s professional plans do.

Installation is as easy as any system on the market, the hardware is reliable, and the à la carte sensor model means the system grows with your home rather than forcing an upgrade.

Where it falls short

Two honest caveats. First, camera recording is not free: the alarm self-monitors at no cost, but if you add SimpliSafe cameras and want saved footage, that needs a paid plan — so price cameras separately rather than assuming the no-fee promise covers them. Second, the sensors are proprietary, with no Z-Wave or Zigbee support, so unlike Ring Alarm or an Abode system, SimpliSafe won’t double as a general smart-home hub for third-party devices. Older generations of the hardware also weren’t end-to-end encrypted; newer generations improved this, so buy current hardware.

The verdict

SimpliSafe remains the best all-round DIY system for most people precisely because it nails the fundamentals: easy install, no contract, and free self-monitoring that’s actually useful, with professional dispatch kept optional. If you want a system that also acts as a smart-home hub, look at Ring Alarm or the more flexible Abode; if you want the purest zero-recurring-cost setup with no dispatch option at all, the eufy alarm on our no-subscription systems page is worth a look. But as a first alarm for a typical home, SimpliSafe is the safe, sensible choice.

General guidance, not professional security advice. Circuit & Chime is written by a smart-home enthusiast, not a licensed installer or security professional. For a home with specific risks, or for life-safety devices like smoke and CO alarms, follow the manufacturer’s instructions and, where it matters, a qualified installer.

Frequently asked questions

Does SimpliSafe require a monthly subscription?

No. SimpliSafe works without a contract, and you can self-monitor for free from the app — arm, disarm, and get instant alerts when a sensor trips. A paid plan adds professional 24/7 dispatch and recorded camera footage, but the alarm itself functions with no monthly fee.

Is SimpliSafe hard to install?

No. It's designed for DIY: sensors are peel-and-stick, the base station plugs in, and setup takes most people under an hour with no tools or wiring. You can add sensors à la carte as your home grows.

What does SimpliSafe monitoring cost, and is it worth it?

SimpliSafe sells month-to-month professional monitoring plans with no contract. Whether it's worth it depends on you: if you travel often or want a staffed center to call authorities when you can't, it's a reasonable add-on. If you're comfortable reacting to phone alerts yourself, the free self-monitoring is enough for many households.

Does SimpliSafe work with Alexa and Google?

Yes — SimpliSafe integrates with Alexa and Google Home for voice status and control. Note that its sensors are proprietary (no Z-Wave or Zigbee), so it doesn't double as a general smart-home hub the way some rivals do.

Sources

Keep reading