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Yazio vs FastTrack: catalog facts
YazioFastTrack
Freemium

Free to use, with a paid subscription for additional features.

Free

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

Android, iOS, Web Android
  • Food logging by photo, barcode or manual entry
  • Built-in fasting timers with 16:8, 5:2 and 6:1 plans
  • No ads, purchases or permissions
  • Shows what the body is doing at each stage of a fast
  • Closed-source service
  • AI photo estimates may need manual correction
  • Android only
  • Not a medical app
Downloadable app, Web application Downloadable app
Closed source Open source
License not stated License: MIT
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.