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AAT Another Activity Tracker vs OSMTracker for Android: catalog facts
AAT Another Activity Tracker	OSMTracker for Android
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL 3.0.
Android	Android
Stores tracks as standard GPX files Offline maps, hill shading and offline POIs	Waypoints by tag button, voice, text note or photo Customizable button layouts
Interface is utilitarian compared with commercial trackers Offline maps must be downloaded separately	Android only Built for mapping surveys rather than turn-by-turn navigation
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
No account needed	No account 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.