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Trailence vs AAT Another Activity Tracker: catalog facts
Trailence	AAT Another Activity Tracker
Free Free and open source under the Apache-2.0 licence, with no ads.	Free Free and open source under the GPL-3.0.
Android, Web	Android
Records, plans and organizes GPS tracks in one app Offline maps for use without coverage	Stores tracks as standard GPX files Offline maps, hill shading and offline POIs
No iOS app mentioned Little documentation available on the homepage	Interface is utilitarian compared with commercial trackers Offline maps must be downloaded separately
Downloadable app, Web application	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
Not stated if an account is 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 October 2, 2026

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