Compare software

Workout Tracker vs Intervals.icu: catalog facts
Workout Tracker	Intervals.icu
Free Free to run on your own server.	Free Free to use.
Web, Self-hosted	Web
Keeps GPS workout data on your own server Built around GPX files from running and similar activities	Detailed fitness, fatigue and power curve analytics Separate zones and metrics per sport
Requires running and maintaining your own server Geared towards GPX-based activities rather than gym workouts	Web only, requires an account Analytics depth can be a lot for casual users
Self-hosted	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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