The best do-it-yourself home security system is SimpliSafe. It’s easy to install on your own—no hefty installation fees required—and it delivers the most proactive monitoring in the game to help stop a break-in before it happens.
SimpliSafe’s Active Guard monitoring, three-pronged emergency dispatch, affordable no-contract plans, long warranty, and 60-day return policy make it our top DIY pick for 2025. While its smart home compatibility could be stronger, it’s a standout choice if you care more about real security than fancy automation.
Keep reading to see how SimpliSafe performed in hands-on testing and how it stacks up to monitored security systems. You can also check out our comprehensive review of all the best home security systems.


















