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Strong vs GymLog: catalog facts
Strong	GymLog
Freemium Free accounts, with a paid Strong PRO tier for progress tracking.	Free Free and open source under the MIT license.
Android, iOS	Android
Simple, fast logging of sets and workouts Available on iOS and Android	Reusable workout templates Tracks weight and cardio exercises
Detailed progress charts require Strong PRO Closed source	Android only
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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