NightOwl Companion

Developer: 🇧🇪 Ectosense

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3.9M installs

78K ratings

268K monthly active users

Revenue not available

Install Trends

Weekly +41K

Steady

Monthly +158K

Steady

NightOwl Companion Summary

NightOwl Companion is a free iOS app in Medical by Ectosense. Released in Jul 2018 (8 years ago). It has 78K ratings with a 4.79★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 268K monthly active users . Store last updated Feb 11, 2026

Recent activity: 889 new ratings this week View trends →

SDK intelligence: AppGoblin detected 5 development tools(e.g. Datadog), 1 ad networks, 1 analytics: attribution,and 1 analytics: product integrated into NightOwl Companion. View full SDK list →

NightOwl Companion SDKs Summary

NightOwl Companion was last scanned for SDKs on 2026-07-29. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.

App Details

Store ID: 1397382074

First Released: 2018-07-30

Store Last Updated: 2026-02-11

App Store Category: Medical

In-App Purchases: No

Ads: No

Price: Paid

Website: nightowl.care

App Store

Crawl Status: Success

AppGoblin First Crawled: 2023-10-31

AppGoblin Last Crawled: 2026-08-29

Ads & App-Ads.txt

App does not have ads.

4.79★

Ratings: 78K

5★

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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.