NightOwl Companion
Ectosense Medical iPhoneiPadiPod touch
NightOwl Companion is a free Medical app for iPhone and iPad by Ectosense. Rated 4.8/5 from 81,337 ratings. Requires iOS 16.2. Updated February 11, 2026.
- Rating
- 4.8
- 81.3K ratings
- Price
- Free
- on the App Store
- Size
- 41 MB
- Age 4+
- Updated
- Feb 11
- 2026 · v6.1.0
Screenshots
About NightOwl Companion
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.
Ratings & reviews
4.8
81.3K ratings
What’s new
Version 6.1.0 · Updated February 11, 2026
Performance improvements and bug fixes for a smoother, more reliable app experience.
App privacy
The developer, Ectosense, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data, Other Diagnostic Data
- Health & Fitness: Health
- Contact Info: Email Address, Name, Phone Number, Other User Contact Info, Physical Address
- User Content: Customer Support, Other User Content
- Other Data: Other Data Types
Used for: Analytics, Product Personalization, App Functionality, Other Purposes
Alternatives to NightOwl Companion
Looking for apps like NightOwl Companion? Here are 6 similar apps on the App Store. The highest rated is VA: Health and Benefits (4.8/5), and all 6 are free to download.
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VirtuOx Sleep
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myAir™ by Resmed
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React Health Plus
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SleepCircle
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VA Video Connect
3.8
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VA: Health and Benefits
4.8
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| NightOwl Companion | 4.8 / 5 (81,337 ratings) | Free | February 11, 2026 | |
| VirtuOx Sleep | 3.4 / 5 (10) | Free | May 5, 2026 | Compare |
| myAir™ by Resmed | 4.7 / 5 (109,332) | Free | Sep 16, 2026 | Compare |
| React Health Plus | 4.7 / 5 (1,693) | Free | Jul 29, 2026 | Compare |
| SleepCircle | 4.7 / 5 (12,270) | Free | Jun 1, 2026 | Compare |
| VA Video Connect | 3.8 / 5 (1,790) | Free | Sep 24, 2026 | Compare |
| VA: Health and Benefits | 4.8 / 5 (390,842) | Free | Sep 15, 2026 | Compare |
Compare NightOwl Companion with the top alternatives: ratings, updates, ASO score and keyword gaps →