Vagal HRV
Real-time HRV, guided breathing and cardiac coherence.
Vagal HRV is a wellness app developed by AK BioSystems to help users track heart rate variability, explore breathing practices and support personal physiological self-regulation.
See Vagal HRV in use
A full session: pause, real-time HRV measurement, guided breathing and summary.
App preview
Selected Vagal HRV screens showing sensor connection, HRV measurement, guided breathing/coherence, settings and light/dark themes.
Live capture
Measurement setup
Measurement running
Guided breathing
History and readiness
Trends
Main features
Real-time heart rate and HRV tracking
RMSSD and SDNN metrics
RR interval processing from compatible sensors
Guided breathing sessions and coherence training
Resonance frequency exploration
Session history and CSV export
Intended use
Vagal HRV is intended for wellness, sports, education, breathing practice and personal self-monitoring.
It provides personal wellness information only and is not intended for emergencies, alarms, professional decisions or safety-critical use.
Start with Vagal HRV
Free on Google Play. Android only.