# Owl Eye: Sleep Test — Test for sleep issues > At-home test for sleep issues using eyelid movement analysis. (iPhone/iPad app by Optalert Australia Pty Ltd.) - Source: https://appshunter.io/ios/app/owl-eye-sleep-test/id6742086312 (this page in markdown: same URL + `.md`) - Developer: [Optalert Australia Pty Ltd](https://appshunter.io/developer/1050841520) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 5.00/5 from 5 App Store ratings · 5 written reviews indexed - Age rating: 12+ - Requires: iOS 16.5 · 18 MB - Languages: British English, French (France), German (Germany), Brazilian Portuguese, Chinese (Simplified, China), European Spanish - Released: 2025-06-13 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/owl-eye-sleep-test/id6742086312/reviews.md ## What is Owl Eye? 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. ## Key features - Quick sleep issue test - Eyelid movement analysis - Drowsiness detection - Suggests next steps - Based on scientific research ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/owl-eye-sleep-test/id6742086312/reviews.md ### 5/5 — Quick and eye opening *2025-10-15* Took the 10-minute test and shared the results with my husband. He did it next! He's finally convinced he should go see a doctor about his sleep. ### 5/5 — Very smooth sign-up process. *2025-10-14* I hate clunky apps and this one just works. Loved the sleep tips too." ### 5/5 — Great *2025-09-29* I never write reviews, but this app impressed me. The test was easy and actually matched what my doctor said last month. ### 5/5 — It's a great app *2025-09-25* I didn't expect much, but wow! This app nailed it. Short test, big insight! I'll have to speak to my doc about this and get a deeper checkup. ### 5/5 — Groundbreaking app *2025-09-04* There’s no other mobile sleep test on the market like this one. It’s accurate and easy to use. Highly recommend. ## Frequently asked questions about Owl Eye ### What is Owl Eye's primary function? Owl Eye provides a simple test to identify potential sleep issues by analyzing eyelid movements. It detects subtle impairments related to breathing issues during sleep and suggests next steps for users. ### How accurate is the Owl Eye test? The underlying technology is based on Optalert’s Johns Drowsiness Scale, a world-renowned biomarker used in sleep laboratories. Data was collected from leading sleep labs at Monash Medical Centre and others. ### Does Owl Eye replace a doctor's diagnosis? No, Owl Eye is a supplementary tool. The app strongly advises users to always seek a doctor’s advice in addition to using the app and before making any medical decisions. ### What devices does Owl Eye support? Currently, Owl Eye is supported on iPhone devices. Information regarding Android compatibility is not provided in the current data. ### When was Owl Eye last updated? The latest version of Owl Eye, 1.2.0, was last updated on January 20, 2026. This indicates a recent focus on development and improvements. ### What is the age rating for Owl Eye? Owl Eye has an age rating of 12+. This suggests it is suitable for users aged 12 and above. ### Is Owl Eye free to use? Yes, Owl Eye is available for free. There are no mentioned in-app purchases or subscription fees associated with its use. ### Does Owl Eye have ads? No, Owl Eye does not contain advertisements. Users can expect an uninterrupted experience while performing the sleep test. ## Version history (last 3 releases) ### 1.2.0 — 2026-01-20 -- New Features -- Added support for Spanish and Portuguese Added a Test Identifier field ### 1.1.1 — 2025-06-21 -- Fixes -- Fixed issue that required app to be reset when session expires ### 1.1.0 — 2025-06-14 No release notes. ## Apps similar to Owl Eye | App | Rating | Price | Category | | --- | --- | --- | --- | | [Sleepland - Sleep Tracking App](https://appshunter.io/ios/app/sleepland-sleep-tracking-app/id6705132227) | — | Free | Health & Fitness | | [Nordic Flow: Breathwork](https://appshunter.io/ios/app/nordic-flow-breathwork/id6450190671) | 4.5 (41) | Free | Health & Fitness | | [Sleep Sounds: Nature & Ambient](https://appshunter.io/ios/app/sleep-sounds-nature-and-ambient/id762004969) | 4.7 (1,859) | Free | Health & Fitness | | [Good Sleep: Sleep Track](https://appshunter.io/ios/app/good-sleep-sleep-track/id6749251732) | 4.0 (5) | Free | Health & Fitness | | [ASleep: Tracker and Relax](https://appshunter.io/ios/app/asleep-tracker-and-relax/id6746176668) | 4.6 (1,331) | Free | Health & Fitness | | [White Noise Deluxe](https://appshunter.io/ios/app/white-noise-deluxe/id1626279143) | 4.8 (9,569) | Free | Health & Fitness | ## Related topics [optalert australia pty ltd](https://appshunter.io/ios/topics/optalert-australia-pty-ltd) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*