Great app!
Beyond the physical benefits, the app has been instrumental in focusing on controlled breathing and mindfulness exercisePayv&
Works Great!!!
Love this app, helped so much with my breath hold and overall fitness, can’t recommended enough!david.sproul
Incredible tool
I have been using this technology for years, but I never thought an app could make it so easy to track and monitor. I have increased my lung capacity over 30% since using this. Highly recommend!JayRobs713
Helped Immensely!
Love this app. Best app ever for lung capacityZHinson
