Kandid

Allows you to stream and record heart rate data from multiple Bluetooth heart rate chest straps simultaneously. Easily view, log and compare Heart Rate/SDNN/RMSSD/NN-Intervals(SD1 & SD2) data. Also allows you to overlay plots over other apps. Please visit https://github.com/realta-engineering/KandidValidation for more info on algorithms and validation

Supports any Bluetooth Heart Rate Monitors from :-
- Polar (e.g. H10)
- CooSpo
- Geonaute