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Final Surge vs Endurain: catalog facts
Final Surge	Endurain
Freemium Free training log with a paid Athlete Premium tier and paid coaching options.	Free Free and open source to self-host.
Android, iOS, Web	Web, Self-hosted
Free training log for many endurance sports Syncs with Garmin Connect, Strava and TrainerRoad	Keeps fitness data on your own server Docker Compose examples for deployment
Premium features require a paid tier Closed source service	You must run and maintain the server yourself Smaller community than commercial fitness platforms
Downloadable app, Web application	Self-hosted
Closed source	Open source
License not stated	License not stated
Account 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.