Performance · Worldwide
Downloads & Revenue estimates
Monthly, by storefront, with daily history
Rating · WW
4.8★
83.1K ratings
Chart position
Apple's Top Free chart — free apps ranked by recent downloads.
Ratings count — US
Listing
This app allows you to interact with the NightOwl sensor that measures signals from your index finger with a small light sensor to check if you have sleep-related breathing disorders. You can set up the test in a few minutes using the in-app instructional videos. Wear the sensor for the prescribed number of nights to complete the test. Disclaimer: This app may provide information from external medical devices. Before making any medical decisions based on this information, read the device in
#87latest · best #62 in 90d
See the numbers behind the rankings