Compare software

FastTimesFastTrack
Free

Free and open source under GPL-3.0.

 Free

Free and open source under the MIT licence, with no ads or in-app purchases.

Android Android
  • Supports common and custom fasting goals
  • Keeps a history of fasts and streaks
  • No ads, purchases or permissions
  • Shows what the body is doing at each stage of a fast
  • Android only
  • Android only
  • Not a medical app
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 8, 2026

Checked October 2, 2026

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