NightOwl Companion

NightOwl Companion
Developer: Ectosense
Category: Medical
3.1M installs
61.2K ratings
223.7K monthly active users
Revenue not available
Install Trends
Weekly +36.6K
Trending
Monthly +144.9K
Trending

NightOwl Companion Summary

NightOwl Companion is a mobile iOS app in Medical by Ectosense. Released in Jul 2018 (7 years ago). It has 61.2K ratings with a 4.79★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 223.7K monthly active users . Store metadata: updated Feb 11, 2026, version 4.

Recent activity: 790 new ratings this week View trends →

Data tracking: SDKs and third-party integrations were last analyzed on Mar 27, 2026.

Store info: Last updated on App Store on Feb 11, 2026 (version 4).


4.79★

Ratings: 61.2K

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Screenshots

App 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.