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Trail Sense vs Compass: catalog facts
Trail Sense	Compass
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Designed to work without an internet connection Beacons, backtracking and path following in one app	Magnetic or true north Sighting compass mode when held upright
Compass needs a phone with a compass sensor Android only	Compass only, with no maps or navigation Accuracy depends on the phone's sensors
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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.