HoldOn – Charging Guard & Anti‑Unplug Alarm
If someone unplugs the charger, a loud alarm goes off instantly—at home, in cafés, trains, or airports. Only the owner can stop it using fingerprint or lock‑screen authentication.
- Runs as a protected foreground service
- Biometric or device lock required to stop alarm
- Custom alarm sound support
Features
Anti‑Theft Protection
Detects charger unplug events and triggers a loud alarm instantly to deter theft or tampering.
Biometric Security
Stop the alarm only with fingerprint or face unlock, with device lock fallback (PIN/Pattern/Password).
Custom Alarm Sound
Use a custom alarm sound; dial in a tone that’s impossible to ignore.
Foreground Service
Stays active with notification protection to keep monitoring even if the app is closed.
Lightweight
Monitors charging state efficiently to minimize battery impact.
Modern UI
Built with Jetpack Compose for a clean, responsive interface.
Screenshots
A quick look at the Hold on App UI.
Download
Grab the latest release APK below or visit the repository for notes and updates.
FAQ
Does HoldOn work when the app is closed?
Yes. HoldOn runs as a foreground service and keeps monitoring even if the UI is closed.
Can the alarm be stopped without authentication?
No. Stopping the alarm requires biometric or device lock authentication for maximum security.
Will it drain battery?
HoldOn is lightweight and only observes the charging state, keeping battery impact minimal.
Can the alarm sound be customized?
Yes. Set a custom alarm sound from Settings.