Does Viiiiva work with HRV applications? January 26, 2022 22:24 Updated Yes, Viiiiva measures R-R intervals with 1ms accuracy and is, therefore, suitable to use with your favourite HRV apps. Related articles Configure Viiiiiva ANT+ Passthrough (iOS) Why can't I pair my Viiiiva? It does not show up in the app scan list. Viiiiva User Manual Can I use Viiiiva with my fitness equipment? Configure Viiiiiva ANT+ Passthrough (Android)