Free · nothing to buy · set up in 2 minutes
The devices you own protect your home.
A spare laptop or old phone becomes the guard. Something moves — your phone buzzes, and you’re looking in, live.
- No cameras to buy
- No contract
- iPhone, Android, Windows & Mac
Watching over you. Never watching you.
See it work
From “something moved” to “I can see it” in seconds.
- 01It noticesFootsteps, a door, a light at 3am.
- 02Your phone buzzesWherever you are in the world.
- 03You look in, livePicture and sound. The room is told you’re watching — never a secret camera.
Watching over you. Never watching you.
Start free, in minutes
Pick your guard.
No password. No cameras. Your phone becomes the remote.
Freeto start
0cameras to buy
2 minto set up
Guard
A spare laptopSees, hears and feels the room. Stays awake all night.Download free →
Guard · LiteAn old phoneOut of the drawer, onto a shelf. Nothing to install — a lighter version of the full app.Try Halo Lite →
Your remoteYour own phoneBuzzes the second it happens. Tap — and you’re looking in.Open Master Control →
- 1Tap Start on the guard
- 2Scan its code with your phone
- 3Done. You’re protected
The full Halo app for iPhone & Android is in testing.
Ten senses. One guard.
It feels a door open through a wall.
A camera sees one doorway. Halo senses the whole room — and the wind is never a burglar.

Barometer
Sound recognition
Impact & tamper
Person & behaviour
Nearby devices
Rogue trackers
Light
Magnetometer
Ultrasonic presence
Cross-room agreement
Tonight, your home is either protected — or it isn’t.
Your phone
protects your home.
2 minutes. Free. Nothing to buy.
Protect my home now →No card · No contract · No cameras to buy
Watching over you. Never watching you.
our privacy promise · Answer Halo’s questions
Halo — Safety should not be a luxury. The technology that watches over you should never watch you.
