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FitoTrack vs PAIesque: catalog facts
FitoTrack	PAIesque
Free Free and open source, with no ads.	Free Free and open source under the MIT licence.
Android	Android, Self-hosted
No ads or analytics Available on F-Droid and Google Play	Reads BLE heart rate sensors without a vendor app Training load metrics such as TRIMP, ACWR and HRV
Android only No companion desktop or web app	Live sharing requires running your own server Android only
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	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.