Sky Dose Coming Soon
Sun exposure and vitamin D, made simple. Track your time in the sun, get UV-aware recommendations for your location, and keep an eye on your vitamin D picture—all in one place.
Know how much sun you get. Get personalized, location-based recommendations and vitamin D estimates—without the guesswork.
What you can do
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Track sun exposure
Log time in the sun by session. See duration, clothing type, and estimated vitamin D production for each session.
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UV & location-aware
Real-time UV index for your area. Recommendations adapt to your location, skin type, and current conditions.
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Vitamin D estimates
See estimated vitamin D from sun and from supplements. Choose your preferred unit (IU or ng/mL) and track over time.
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Apple Health sync
Optional link to Apple Health. View daylight time and vitamin D in one place; write sessions and supplement intake back to Health.
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Goals & calendar
Set targets, log vitamin D tests, and see your history on a calendar. Plan sun and supplements around your goals.
How it works
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Set your location
Allow location access (or set it manually). The app uses it for accurate UV index and recommendations.
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Log time in the sun
Start a session when you go outside. Stop when you’re done. You’ll see duration and estimated vitamin D for that session.
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See your picture
Check your daily and weekly totals, add supplements and test results, and adjust with the app’s recommendations.
Important
Sky Dose is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease. Vitamin D estimates are approximations based on published research and should not replace professional medical advice. Always consult a healthcare provider before making decisions about vitamin D supplementation or sun exposure.
Get Sky Dose
Download the app and start tracking your sun and vitamin D.