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Trailence vs OpenTracks: catalog facts
Trailence	OpenTracks
Free Free and open source under the Apache-2.0 licence, with no ads.	Free Free and open source.
Android, Web	Android
Records, plans and organizes GPS tracks in one app Offline maps for use without coverage	Records GPS tracks for runs, rides and hikes Supports Bluetooth Low Energy heart rate sensors
No iOS app mentioned Little documentation available on the homepage	Android only No hosted sync or social features
Downloadable app, Web application	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
Not stated if an account is needed	Not stated if an account is 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.