Monitor your lung health
Easy to use with your iPhone and Android device
Supported modelsAs accurate as a professional spirometer
As accurate as a professional spirometer
FEV1
Volume of air that is exhaled during the first second of forced expiration, starting from a full inspiration. In healthy individuals. FEV1 is typically above 80% predicted.
FVC
Volume of air that is exhaled during forceful complete expiration, starting from a full inspiration. In healthy individuals. FVC is typically above 80% predicted.
FEV1/FVC Ratio
The fraction of air exhaled in the first second relative to the total volume exhaled. In healthy individuals, the ratio is typically above 0.7.
Peak Expiratoy Flow (PEF)
The maximum speed of expiration, starting from a full inspiration. If your PEF drops below 80% of your personal best, follow your asthma action plan.
High quality lung function tests at a fraction of the price
High quality lung function tests at a fraction of the price
We sell our device directly to you. Free shipping. No middle man.
Buy nowCoaching helps you to get high quality results
Coaching helps you to get high quality results
The app detects common errors
and helps you to avoid them
Trust your data with session grading
Trust your data with session grading
The app shows how well you
perform the tests
Multiple profiles
Multiple profiles
Manage multiple patients as a health care provider