Get personalized sun exposure recommendations based on your location, UV index, skin type, and real time weather conditions.
Three steps to smarter sun exposure
Open the app and instantly see the current UV index at your location with real time weather data.
Receive a personalized sun exposure recommendation tailored to your skin type and conditions.
Log your sun sessions and monitor your Vitamin D exposure patterns over time.
Everything you need to optimize your sun exposure safely
Know instantly whether the sun is strong enough to produce Vitamin D at your current location. Live UV index data and weather conditions calculate your recommended exposure time down to the minute.
Using the Fitzpatrick skin tone scale (types 1 to 6), the app tailors recommendations specifically to you.
Uses your GPS for hyper local UV index data so recommendations are always accurate, wherever you are.
Log and review your sun exposure over time. See your past UV exposure data and understand your patterns.
Get daily UV alerts, best time reminders, and burn risk warnings so you never miss your optimal sun window.
PremiumPlan your week with a UV forecast so you know exactly which days are worth getting outside.
PremiumStart free and upgrade when you are ready
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or $14.99/year (save 58%)
Vitamin D is essential for bone health, immune function, mood regulation, and overall well being. Yet an estimated 1 billion people worldwide have insufficient Vitamin D levels.
Your body produces Vitamin D naturally when your skin is exposed to UVB rays from sunlight. But the amount you need depends on many factors: your skin type, location, time of year, time of day, and weather conditions.
Vitamin D UV Tracker takes the guesswork out of sun exposure by giving you precise, personalized recommendations so you can get the Vitamin D you need safely.
"Finally an app that tells me exactly how long I need to be outside. No more guessing about my Vitamin D intake!"
"As someone with darker skin, I always knew I needed more sun but never knew how much. This app changed that completely."
"The UV forecast feature is a game changer. I plan my outdoor workouts around the best sun windows now."
Expert insights on vitamin D, UV exposure, and sun safety
Does daily sunscreen cause vitamin D deficiency? A look at the actual evidence, why real-world wearers rarely become deficient, and a practical framework.
Read article →
A practical explainer on why people in sunny climates still test low for vitamin D, the eight factors most often to blame, and what to fix first.
Read article →Join thousands of people who are taking control of their sun exposure and Vitamin D health. Free to download, no account required.