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