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Simple. : Fitness Simplified.Flexify
Free

Free and open source under the MIT licence.

 Free

Free and open source.

Android Android
  • Custom workouts with exercises, sets and reps
  • Workout scheduling by day
  • Works fully offline
  • Progress graphs and rest timers
  • Focused on logging; no guided programs
  • Small single-developer project
  • No generated training plans or coaching
  • Small project maintained mainly by one developer
Downloadable app Downloadable app
Open source Open source
License: MIT License not stated
Not stated if an account is needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked October 1, 2026

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