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Hevy vs Simple. : Fitness Simplified.: catalog facts
Hevy	Simple. : Fitness Simplified.
Free The homepage describes Hevy as a free workout tracker.	Free Free and open source under the MIT licence.
Android, iOS	Android
Detailed set logging with warmup, drop and failure sets Charts, personal records and one rep max estimates	Custom workouts with exercises, sets and reps Workout scheduling by day
Social features may not suit people who want a private log Proprietary app	Focused on logging; no guided programs Small single-developer project
Downloadable app	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
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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