Security SystemsBest HomeKit-friendly DIY alarm
An expandable DIY alarm hub with broad smart-home compatibility and optional contract-free monitoring.
PowerAC with battery and optional cellular backup
SubscriptionFree self-monitoring; professional monitoring optional
- Apple HomeKit, Zigbee and Z-Wave support
- Battery and optional cellular backup
- Free self-monitoring option
Watch for: The hub requires wired Ethernet and the product lineup can be more complex than simpler DIY systems.
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Security SystemsBest straightforward DIY monitoring
A simple no-contract DIY alarm platform with entry and motion sensors and optional professional monitoring.
PowerAC with battery and cellular backup options
SubscriptionSelf-use possible; professional monitoring optional
- Easy self-installation
- Optional professional monitoring
- Expandable sensors and cameras
Watch for: The most advanced monitoring and camera-intervention features require a paid plan.
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Security SystemsBest multi-function sensors
A modular alarm system whose compact sensors combine multiple detection functions.
PowerAC hub with backup options
SubscriptionPaid plan required for professional monitoring after trial
- All-in-One Sensors with multiple detection modes
- Easy wire-free installation
- Optional 24/7 professional monitoring
Watch for: Several headline services require a paid Arlo plan after the trial.
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