Performance · Worldwide
Downloads & Revenue estimates
Monthly, by storefront, with daily history
Rating · WW
4.8★
83.1K ratings
Chart position
Apple's Top Grossing chart — all apps ranked by revenue (purchases + subscriptions).
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
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