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Strong vs wger: catalog facts
Strong	wger
Freemium Free accounts, with a paid Strong PRO tier for progress tracking.	Free Free and open source.
Android, iOS	Android, iOS, Web, Self-hosted
Simple, fast logging of sets and workouts Available on iOS and Android	Can be self-hosted Combines workout planning with nutrition tracking
Detailed progress charts require Strong PRO Closed source	Self-hosting requires running and maintaining a server
Downloadable app	Downloadable app, Web application, Self-hosted
Closed source	Open source
License not stated	License not stated
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 September 23, 2026

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