Nightbell

Android uptime monitoring app with no server or account required.

Mobile appfreeglobal

Nightbell is an Android uptime monitoring app that runs checks directly on the phone with no server or account, alerting an outage as a full-screen page with a looping alarm instead of a notification that's easy to swipe away. It suits homelab operators who want a hard-to-miss alert when a monitored service goes down.

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