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OpenTracks vs Trackbook: catalog facts
OpenTracks	Trackbook
Free Free and open source.	Free Free and open source under the MIT licence.
Android	Android
Records GPS tracks for runs, rides and hikes Supports Bluetooth Low Energy heart rate sensors	Simple start-and-record workflow Uses OpenStreetMap map data
Android only No hosted sync or social features	Bare-bones by design, without training plans or detailed fitness analysis Android only
Downloadable app	Downloadable app
Open source	Open source
License not stated	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 September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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