GroundApp offers over forty breathing techniques, including box, 4-7-8, physiological sigh and resonance breathing, with check-ins, voice, ambient sound, haptics and a timer.
Connect standard Bluetooth heart-rate monitors for live heart rate and HRV with post-session charts. Aura AI turns a check-in into two or three techniques for about ten minutes of practice.
Four core techniques, the timer and live heart rate are free; Premium adds the full library, hold tables and Aura.


