AYO Circadian Health
Novalogy Inc. Health & Fitness iPhoneiPadiPod touch
AYO Circadian Health is a free Health & Fitness app for iPhone and iPad by Novalogy Inc. Requires iOS 15.6. Updated October 30, 2026.
- Price
- Free
- on the App Store
- Size
- 109 MB
- Age 4+
- Updated
- Oct 30
- 2026 · v1.17.1
Screenshots
About AYO Circadian Health
Welcome to AYO – the place to bring your health & wellness to the next level! The AYO app, designed to be used in combination with the AYO wearable, helps you to sleep better, boost energy and improve wellbeing using science-based tools and breakthroughs. Using proprietary algorithms and latest science, the AYO app calculates and provides you with your personal Circadian Health, based on your social jet lag and sleep dept. Learn how in sync you are with your circadian rhythm - a biological foundation affecting most of the brain and body processes from sleep, alertness, metabolism and immune response. The AYO app further provides you with: 1) Your personal circadian rhythm and its unique stages during the day-night cycle 2) Personal recommendations for each specific stage regarding light, food, coffee, cognition, exercise and sleep 3) When to use your AYO to achieve your wake-up goal The AYO app is currently on invite-only early access. Visit our website www.goayo.com to learn more about it and join the exciting Circadian Health movement!
What’s new
Version 1.17.1 · Updated October 30, 2026
This version comes with exciting new features and improvements! The Me screen now shows your AYO usage history, so you can see how your light sessions add up over time and how well they were timed. The Circadian Health Hub (formerly Discover) has been updated with new articles and a fresh look, and is now part of the Me screen. We have also added a new Schedule screen that shows your daily plan and top recommendations in one place, so it is easier to know when to use AYO. As always, this release also includes minor improvements and bug fixes. We recommend to update your AYO Circadian Health app at your earliest convenience to ensure the app is working optimally and to enjoy the new features. If you have any questions or require assistance, please reach out to us at [email protected]. We would be happy to hear from you!
App privacy
The developer, Novalogy Inc., 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:
- Health & Fitness: Health
- Contact Info: Email Address, Name
- Sensitive Info: Sensitive Info
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:
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Analytics
Alternatives to AYO Circadian Health
Looking for apps like AYO Circadian Health? Here are 6 similar apps on the App Store. The highest rated is My Circadian (5.0/5), and all 6 are free to download.
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My Circadian
5.0
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Somnee
3.6
-
Elemind
2.3
-
NeuroVIZR
4.8
-
Circadian: Your Natural Rhythm
4.6
-
myCircadianClock
2.3
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| AYO Circadian Health | – | Free | October 30, 2026 | |
| My Circadian | 5.0 / 5 (2) | Free | Jan 6, 2024 | Compare |
| Somnee | 3.6 / 5 (71) | Free | Jul 27, 2026 | Compare |
| Elemind | 2.3 / 5 (10) | Free | May 25, 2026 | Compare |
| NeuroVIZR | 4.8 / 5 (137) | Free | Oct 28, 2026 | Compare |
| Circadian: Your Natural Rhythm | 4.6 / 5 (668) | Free | Jun 14, 2026 | Compare |
| myCircadianClock | 2.3 / 5 (251) | Free | Aug 25, 2026 | Compare |