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Strong vs GymLoga: catalog facts
Strong	GymLoga
Freemium Free accounts, with a paid Strong PRO tier for progress tracking.	Free Free and open source under the AGPL-3.0-or-later licence.
Android, iOS	Android
Simple, fast logging of sets and workouts Available on iOS and Android	Fast shorthand entry for sets and reps Automatic personal record tracking
Detailed progress charts require Strong PRO Closed source	Android only Small, young project with no tagged releases on GitHub
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0-or-later
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
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.