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