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Screenshots

  • Owl Eye: Sleep Test screenshot 1
  • Owl Eye: Sleep Test screenshot 2
  • Owl Eye: Sleep Test screenshot 3
  • Owl Eye: Sleep Test screenshot 4

About Owl Eye: Sleep Test

Perform a test for issues with your sleep in minutes. The Owl Eye test is super simple. First, you go somewhere quiet with good lighting. When the test begins, a circle appears on the screen and every few seconds it flickers to either a diamond or square. You simply count the number of diamonds that appear. After a few minutes, the app shows if it detects signs of sleep issues and suggests next steps. In the background, Optalert’s ingenious algorithm is processing your every eyelid movement – every blink, every micro-flutter. It then detects the subtle impairment that arises from breathing issues during sleep. The video itself is discarded and only your head and eye data is retained. This builds on Optalert’s world-renowned biomarker, the Johns Drowsiness Scale, that detects drowsiness and is used in sleep laboratories around the world. The Owl Eye app was created by leading medical technology innovator Optalert. The underlying technology is based on data collected from leading sleep laboratories at Monash Medical Centre, the Monash Biomedicine Discovery Institute, and the Institute for Breathing and Sleep (IBAS). Terms & Conditions: https://www.optalert.com/terms-conditions-owl-eye-app/ Always seek a doctor’s advice in addition to using this app and before making any medical decisions.

Ratings & reviews

5.0

5 ratings

5 ★ 100% 4 ★ 0% 3 ★ 0% 2 ★ 0% 1 ★ 0%

What’s new

Version 1.2.0 · Updated January 20, 2026

-- New Features -- Added support for Spanish and Portuguese Added a Test Identifier field

App privacy

The developer, Optalert Australia Pty Ltd, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID
  • Usage Data: Product Interaction

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID, User ID
  • Usage Data: Product Interaction
  • Diagnostics: Crash Data, Performance Data
  • Body: Head
  • Other Data: Other Data Types
  • Health & Fitness: Health

Used for: Analytics, Product Personalization, App Functionality, Other Purposes

Alternatives to Owl Eye: Sleep Test

Looking for apps like Owl Eye: Sleep Test? Here are 6 similar apps on the App Store. The highest rated is Deep: Sleep, Meditation Sounds (4.8/5), and all 6 are free to download.

Owl Eye: Sleep Test vs. alternatives
App Rating Price Last updated Compare
Owl Eye: Sleep Test 5.0 / 5 (5 ratings) Free January 20, 2026
Sleepland - Sleep Tracking App – Free Jan 4, 2026 Compare
Sleep Apnea Detector - Somnio+ 3.9 / 5 (18) Free Jan 9, 2026 Compare
Better Sleep Relaxing Sounds 4.5 / 5 (442) Free Oct 27, 2026 Compare
ASleep: Tracker and Relax 4.6 / 5 (1,406) Free Aug 11, 2026 Compare
Deep: Sleep, Meditation Sounds 4.8 / 5 (1,118) Free Jan 19, 2026 Compare
Nordic Flow: Breathwork 4.1 / 5 (46) Free Sep 15, 2026 Compare

Compare Owl Eye: Sleep Test with the top alternatives: ratings, updates, ASO score and keyword gaps →