MyCircadian

In-app purchases
94 reviews
Content rating
Everyone
10K+
Downloads
Content rating
Everyone
Learn more
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About this app

MyCircadian tracks sunrise, sunset, UV exposure, vitamin D, and moon phases, while logging sun sessions and offering tools like a lux meter and compass for optimal health.
Tracks sunrise, sunset, UV, vitamin D, and moon phases, plus a lux meter.
Updated on
Jun 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, Personal info and 3 others
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

92 reviews
Abigail Cummings
July 31, 2025
This app has been a game changer for establishing a rhythm and relationship with the sun and my biology. Between the free content library and the real time location specific feedback, the tools in this app are easy to use and endlessly beneficial. I've recommended it to many friends and wouldn't hesitate recommending it to anyone looking to upgrade their life and wellness.
6 people found this review helpful
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Sarah Kleiner Wellness
September 1, 2025
Thanks so much for your feedback! Could you reach out to us at contact@mycircadianapp.com? We’d love to connect with you directly.
Melissa Beck Nofer
November 15, 2024
Best circadian app for better health! This has everything you need all in one easy to use app, and since downloading it, I've paid way more attention to my light environment. I love the notifications and the lux meter to check both inside and outside light. It'll be fun to use the vitamin D diary when summer comes back (today is the last day of UVB here).
15 people found this review helpful
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Meelike Maks
August 22, 2025
This app seems nice, I got the trial full version but I don't see absolutely any difference from the free version. Also I don't know how to use it obviously. I go outside when I wake up, although it is not the sunrise (that would be around 5 something AM). I am outside during daytime, watch the sunset for 20-30 minutes and wear red coloured blue blocking glasses after that, go to bed appropriately 1 h after sunset and my sleep has only become worse.
3 people found this review helpful
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What’s new

Performance improvements and bug fixes.
Content rating
Everyone
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App support

About the developer
Sarah Kleiner
admin@sarahkleinerwellness.com
1541 Frazier Rd Decatur, GA 30033-1840 United States