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

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