myCircadianClock
THE SALK INSTITUTE FOR BIOLOGICAL STUDIES, SAN DIEGO, CALIFORNIA Health & Fitness iPhoneiPadiPod touch
myCircadianClock is a free Health & Fitness app for iPhone and iPad by THE SALK INSTITUTE FOR BIOLOGICAL STUDIES, SAN DIEGO, CALIFORNIA.
- Rating
- 2.3
- 251 ratings
- Price
- Free
- on the App Store
- Size
- 56 MB
- Age 4+
- Updated
- Aug 25
- 2026 · v7.5.31
Screenshots
About myCircadianClock
This app is for use in research studies examining how diet, exercise and sleep affect health and healing. Our body contains circadian (circa – approximately and dian – day) or 24 h clocks that determines the time to sleep, feel hungry or get ready for physical activity. Research studies run in different locations are trying to understand the interaction between “how much” and “when” we sleep, eat or exercise for better health. You need an activation code from these research studies to download and use the app. Following are the key features: - Camera function to snap picture of everything you eat or drink - Sleep tab to record time to bed and time of waking up - Exercise tab to log physical activity - Personalized food menu - Health tab to log and monitor health parameters - Medication reminders - Feedback with the research coordinator - Integrated healthkit framework to track your health information.
Ratings & reviews
2.3
251 ratings
What’s new
Version 7.5.31 · Updated August 25, 2026
- Fixed medication logging and pending-item issues. - Enhanced and renamed Feedback to Contact Us with updated statuses and messaging indicators. - Added clear communication notices to avoid implying live chat. - Fixed the Settings page server response error.
App privacy
The developer, THE SALK INSTITUTE FOR BIOLOGICAL STUDIES, SAN DIEGO, CALIFORNIA, 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:
- Location: Precise Location
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:
- Diagnostics: Crash Data
- Health & Fitness: Health, Fitness
- Location: Precise Location
Used for: Analytics, App Functionality
Alternatives to myCircadianClock
Looking for apps like myCircadianClock? 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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Circadian: Your Natural Rhythm
4.6
-
Ontime: Sleep & Weight Loss
3.6
-
MyCircadianApp
4.9
-
My Circadian
5.0
-
AYO Circadian Health
3.0
-
Peaks: Sleep & Energy
4.7
| App | Rating | Price | Last updated |
|---|---|---|---|
| myCircadianClock | 2.3 / 5 (251 ratings) | Free | August 25, 2026 |
| Circadian: Your Natural Rhythm | 4.6 / 5 (666) | Free | Jun 14, 2026 |
| Ontime: Sleep & Weight Loss | 3.6 / 5 (11) | Free | Sep 5, 2026 |
| MyCircadianApp | 4.9 / 5 (265) | Free | Aug 11, 2026 |
| My Circadian | 5.0 / 5 (2) | Free | Jan 6, 2024 |
| AYO Circadian Health | 3.0 / 5 (25) | Free | Sep 17, 2026 |
| Peaks: Sleep & Energy | 4.7 / 5 (285) | Free | Apr 15, 2026 |