Train / Improve
Add 10–20 seconds in two weeks
Guided paced breathing with built-in timers. Pick one, follow the circle, done. Your streak is saved on this device.
4-4-4-4 pattern
Box Breathing
Navy-SEAL favorite for calm focus. 4-4-4-4.
Ready
4 rounds
4-7-8 pattern
4-7-8 Wind-Down
Long exhale to drop into sleep or calm.
Ready
3 rounds
5-5 pattern
Diaphragm Builder
Slow deep reps that raise your hold baseline.
Ready
6 rounds
📈 Your progress
Last 20 holds, stored locally — returning users see their curve here.
No holds yet — take the test and your bars appear here.
Trained? Prove it.
Retake the breath-hold test