I am searching for an Android app that logs start and end point of each usage, not just the length. I do not need details about the used application, just time and date of when the phone screen was switched on will be enough.

The log should contain information such as:

2014-07-13 10:30 switched on
2014-07-13 10:35 switched off
2014-07-13 12:00 switched on
2014-07-13 12:20 switched off

Other requirements:

  • Ability to export the data
  • Unobtrusive, should not interfere with my normal usage.
  • Should require minimal permissions, preferably no root and no internet access
  • Free of advertisements is strongly preferred.
  • A reasonable price is fine

2 Answers 2


Smarter Time can log the start and end point of each usage, and satisfy all other requirements. But it can be overkill for the job.


ActivityWatch is still a WIP for Android (works fine on desktop) but looks very promising. Above all, it's FOSS software.


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