Companion — Singletick

Companion is on the way.

We’re building a browser companion that pairs with your phone over a 6-digit code, runs end-to-end encrypted, and never stores anything on a server. Until then, the app already supports a same-WiFi version inside Settings → Companion.

Get Singletick Watch the changelog

How the pairing will work.

1 Open singletick.app/companion on your laptop. The browser shows a 6-digit code.
2 Open Singletick on your phone → Settings → Companion → Pair new device. Type the 6-digit code.
3 Both devices run a Noise_KK handshake over a WebRTC data channel. From this point on, nothing in the middle can read the bytes.
4 Edit habits, todos, and notes from your laptop. Tomorrow, reconnect without re-typing the code — both sides remember each other.

What we never see.

✓ The contents of any habit, todo, note, mood entry, pledge, or secret.
✓ Your master passphrase or any derived key.
✓ Anything beyond ephemeral pairing-code metadata that lives ≤ 60 seconds in our signalling endpoint.

Curious about the cryptography? Read the security page.