Sun Exposure: Time in Daylight

Keep tabs on time in the sun

Free · In-App Purchases · Designed for iPad. Not verified for macOS.

Sun Exposure is your smart companion for outdoor living. Track your sun exposure, estimate Vitamin D production, monitor burn time, and get personalized guidance — all designed to help you enjoy sunlight safely, whether your goal is staying protected, boosting Vitamin D, or building a healthy tan. See how much sunlight you've had today with a quick glance. Start a Sun Session right from your iPhone to record your time in daylight — no Apple Watch required. Or pair with your Apple Watch for automatic, all-day sun tracking with real-time insights and recommendations so you can get the benefits of sunlight without the burn. FREE FEATURES - Daily Sun Tracking - See how much time you've spent in the sun today at a glance. - Sun Sessions - Record your sun exposure directly from your iPhone. Your Time in Daylight is saved to Apple Health automatically. - Smart Sun Guidance - Get personalized recommendations on when to get more rays, apply sunscreen, or move to the shade. - Widgets and Complications - Access your sun stats from your home screen or Apple Watch face. - Exposure Notifications - Get alerts when you've reached your daily sun limit. PRO FEATURES - Automatic Vitamin D Logging - Your estimated Vitamin D intake is calculated and saved to Apple Health throughout the day, automatically. No need to start a session. - Burn Time Alert - Get notified when your safe sun time reaches zero based on your exposure and the current UV Index. - Vitamin D Estimate - See how much Vitamin D your body is producing based on your sun data, the UV Index, and your skin type. - Burn Time - Know exactly how much safe time you have left in the sun right now, based on today's exposure, UV forecast, and your skin type. - Sun Session Vitamin D Tracking - With location enabled, Sun Sessions calculate and save your Vitamin D production to Apple Health. - Custom Exposure Goals - Tailor your sun time for Vitamin D, safe tanning, or balanced wellness. - Forecasts - UV Index and weather forecasts help you plan the best times for outdoor activity. - Reminder Alerts - Stay balanced with gentle nudges throughout the day. - Sunrise and Sunset Tracking - Plan your outdoor sessions around daylight hours. WHY SUN EXPOSURE? - Sunlight is essential for Vitamin D, mood, and overall well-being, but overexposure puts your skin at risk. Sun Exposure helps you find the right balance — enough sun for health and glow, without crossing into damage. - Track sun exposure with or without an Apple Watch. Automatic all-day sun tracking with Apple Watch requires watchOS 10 or later. Sun Sessions work on iPhone for on-demand tracking anytime. - Privacy first - no personal data leaves your device unless you choose to share it. Disclaimer: Consult your doctor to determine the right amount of sun exposure for you. Always use sunscreen, hats, and shade as needed. Privacy Policy: https://sunexposure.app/privacy-policy/ Terms of Use: https://sunexposure.app/terms-of-use/

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Bug fixes and performance improvements

The developer, Adam Oxner, 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 Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Provider
    • Adam Oxner
    Size
    • 144.4 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    • Apple Watch
      Requires watchOS 10.0 or later.
    Languages
    • English and Spanish
    Age Rating
    9+
    In-App Purchases
    Yes
    • Sun Exposure Pro USD 11.99
    • Sun Exposure Pro USD 1.99
    • Customize Settings USD 4.99
    Copyright
    • © 2025-2026