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Spix vs RunnerUp: catalog facts
Spix	RunnerUp
Free Free and open source under the AGPL-3.0, with no subscription.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Automatic rep counting with the camera GPS run tracking with maps	Highly configurable audio cues during a run Target pace and heart rate zone workouts
Android only Small project by a single developer with no dedicated product page	Android only Documentation is a community wiki rather than a polished guide
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0-only
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 October 2, 2026

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