Productivity · Open source
Lux Alarm
Wake up with light! This alarm can only be turned off when your room is bright
Opens the official F-Droid page
About Lux Alarm
Stop Oversleeping with Lux Alarm
Tired of hitting snooze and waking up late? Lux Alarm ensures you actually get out of bed by requiring light to silence the alarm.
How it works
To stop the alarm, you must get up and open your blinds or turn on the light. The app uses your phone's sensor to detect brightness; by the time the alarm turns off, you are already on your feet and ready to start your day.
Key Features
• Smart Light Detection: Uses your phone's sensor to ensure the alarm only deactivates once your environment is bright.
• Adjustable Sensitivity: Customize the required light level to account for gloomy weather or different room setups.
• Modern Interface: A clean, intuitive design based on Material Design 3 for easy navigation.
• Circadian Support: Waking up with light helps regulate your natural sleep cycle and reduces morning grogginess.
What's new in 2.4.2
- Updated Android build tooling and dependencies
How to install Lux Alarm
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open Lux Alarm from your app drawer.



