Sun Exposure Timer: Vitamin D
UV index, burn time & safe tan
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Stay safe in the sun with a clear, local UV index forecast built around your skin.
• Live UV index now with risk level and plain-language advice
• Hourly UV plus a 7-day peak forecast for your location
• Time-to-burn estimate for your Fitzpatrick skin type
• SPF and clothing recommendations that match the current UV
• Sunscreen reapply reminders and a daily morning summary
• Vitamin-D window and a 7-day record of your UV exposure
Simple, fast and private. Plan outdoor time with confidence.
UV values are forecasts and estimates, not a skin measurement, and not medical advice.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New positioning, improved features, stability fixes.
The developer, heekyung moon, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- heekyung moon
- Size
- 55.1 MB
- Category
- Weather
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Contains
Advertising
- Copyright
- © 2026 Moon