Gloom Alarm

When you need to wake up when it gets dark...

You phone with a light sensor, can up alarm to wake up You, when it gets too dark.

If you need:
- get a nap during a trip, but you don't want to stay overnight,
- you are concerned about safety if the lighting is turned off;

Just start this application and point your phone towards the window. The Alarm will be up, if the brightness drops below the set threshold.

Additionally, you can see the brightness graph in the app.

You can also use the app to measure the burn time of your flashlight. Simply launch the app and point the light at the light sensor. The graph will show you not only the burn time, but also whether the flashlight dims before the battery runs out.