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PAIesque vs OpenTracks: catalog facts
PAIesque	OpenTracks
Free Free and open source under the MIT licence.	Free Free and open source.
Android, Self-hosted	Android
Reads BLE heart rate sensors without a vendor app Training load metrics such as TRIMP, ACWR and HRV	Records GPS tracks for runs, rides and hikes Supports Bluetooth Low Energy heart rate sensors
Live sharing requires running your own server Android only	Android only No hosted sync or social features
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: MIT	License not stated
No account 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.