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AAT Another Activity Tracker vs GPSLogger: catalog facts
AAT Another Activity Tracker	GPSLogger
Free Free and open source under the GPL-3.0.	Free Free and open source.
Android	Android
Stores tracks as standard GPX files Offline maps, hill shading and offline POIs	Designed for low battery use Configurable format, interval and accuracy
Interface is utilitarian compared with commercial trackers Offline maps must be downloaded separately	Android only Logs positions rather than offering maps or navigation
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	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.