MYCIRCADIAN
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.
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What makes us the best app for you
Log Sun Sessions
The sun session timer provides a recommended sun exposure time based on your skin type, clothing, cloud cover, and estimated UV index. This helps build a solar callus and supports vitamin D production but is not a replacement for medical advice. Use the timer for guidance only
Log Sun Sessions
The sun session timer provides a recommended sun exposure time based on your skin type, clothing, cloud cover, and estimated UV index. This helps build a solar callus and supports vitamin D production but is not a replacement for medical advice. Use the timer for guidance only
Moon Tracker
Sync with lunar cycles to enhance hormone balance and overall wellness
Moon Tracker
Sync with lunar cycles to enhance hormone balance and overall wellness
Compass
Easily locate sunrise and sunset directions using the app's compass
Compass
Easily locate sunrise and sunset directions using the app's compass
Lux Meter
Monitor lux levels to support healthy circadian rhythms and mood
Lux Meter
Monitor lux levels to support healthy circadian rhythms and mood
UV index
Track real-time UV index for precise sun exposure data, beyond typical weather app estimates
UV index
Track real-time UV index for precise sun exposure data, beyond typical weather app estimates
Vitamin D availability
Synthesize vitamin D with UVB exposure based on time, season, and location
Vitamin D availability
Synthesize vitamin D with UVB exposure based on time, season, and location
Hear it from our users
200,000+
200,000+
People have changed their lives with this information from SKW on Circadian Biology, Quantum Biology and Nutrition.
Frequently asked questions
What’s the difference between free & paid?
My UVB bar went away - what happened?
Why are there slight differences in times and UV index between MyCircadianApp & other apps?
Why doesn’t the level of vitamin D the app says I have made - match with the level of Vitamin D I just had measured on a blood test?
What’s the difference between free & paid?
My UVB bar went away - what happened?
Why are there slight differences in times and UV index between MyCircadianApp & other apps?
Why doesn’t the level of vitamin D the app says I have made - match with the level of Vitamin D I just had measured on a blood test?
What’s the difference between free & paid?
My UVB bar went away - what happened?
Why are there slight differences in times and UV index between MyCircadianApp & other apps?
Why doesn’t the level of vitamin D the app says I have made - match with the level of Vitamin D I just had measured on a blood test?
Optimize your health by syncing with natural light cycles. Track sunrise, UV, and vitamin D effortlessly.
Optimize your health by syncing with natural light cycles. Track sunrise, UV, and vitamin D effortlessly.
Understand your light environment like never before.