NightOwl Companion
NightOwl Companion Summary
NightOwl Companion is a mobile iOS app in Medical by Ectosense. Released in Jul 2018 (7 years ago). It has 70.2K ratings with a 4.79★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 248.9K monthly active users . Store metadata: updated Feb 11, 2026, version 3.
Recent activity: 811 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on May 28, 2026.
Store info: Last updated on App Store on Feb 11, 2026 (version 3).
SDKs, Trackers & Permissions
NightOwl Companion was last scanned for SDKs 2026-05-28. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
AppGoblin saw NightOwl Companion uses 1 Ad Networks
GoogleAppGoblin saw NightOwl Companion uses 5 Development Tools
Airbnb Engineering
SDWebImage
nanopbAppGoblin saw NightOwl Companion uses 1 Analytics: Product
FirebaseAppGoblin saw NightOwl Companion uses 1 Analytics: Attribution
BranchApp Details
App Store
Ads & App-Ads.txt
AppGoblin SDK Scans
4.79★
Ratings: 70.2K
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.