The NightOwl Companion app allows you to interact with the NightOwl sensor.
NightOwl Companion — description
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 instructions carefully and speak with your healthcare provider.
Latest version
Version
4.2.0
Update
Feb 6, 2026
Package ID
com.ectosense.nightowl
What's new
Feb 6, 2026
- Minor feature enhancements - Performance improvements - Bug fixes