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Spix vs FitoTrack: catalog facts
Spix	FitoTrack
Free Free and open source under the AGPL-3.0, with no subscription.	Free Free and open source, with no ads.
Android	Android
Automatic rep counting with the camera GPS run tracking with maps	No ads or analytics Available on F-Droid and Google Play
Android only Small project by a single developer with no dedicated product page	Android only No companion desktop or web app
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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