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Trailence vs Trackbook: catalog facts
Trailence	Trackbook
Free Free and open source under the Apache-2.0 licence, with no ads.	Free Free and open source under the MIT licence.
Android, Web	Android
Records, plans and organizes GPS tracks in one app Offline maps for use without coverage	Simple start-and-record workflow Uses OpenStreetMap map data
No iOS app mentioned Little documentation available on the homepage	Bare-bones by design, without training plans or detailed fitness analysis Android only
Downloadable app, Web application	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
Not stated if an account is needed	Not stated if an account is 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.