Devices
Cross-device escalation
Run Hader on your laptop to listen, and on your phone to be woken up. If the laptop alarm is missed for 15 seconds, the alert is pushed to every device in the room.
Local channel — this browser only
No Supabase credentials are configured, so pairing works between tabs of this browser only. A real phone will not receive alerts until Supabase Realtime is connected.
Room code
Devices sharing a room code escalate to each other. Use something private.
Joined devices
0No other device has joined hader-default yet. Open the pairing link on your phone and keep the tab open.
How escalation behaves
- 0s — full-screen alarm, sound, vibration and a notification on the listening device.
- 3s and 6s — the alarm repeats louder.
- 10s — a persistent notification that survives a backgrounded tab.
- 15s — the alert is broadcast to every joined device.
- It only stops when you press “I’m here”, “False alarm” or snooze.