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PAIesque vs RunnerUp: catalog facts
PAIesque	RunnerUp
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0 licence.
Android, Self-hosted	Android
Reads BLE heart rate sensors without a vendor app Training load metrics such as TRIMP, ACWR and HRV	Highly configurable audio cues during a run Target pace and heart rate zone workouts
Live sharing requires running your own server Android only	Android only Documentation is a community wiki rather than a polished guide
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-only
No account 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.