Sunneuv: UV Index & Sun Timer
SPF, Sunburn & Vitamin D
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Plan safer time outdoors with live UV, personalized sunburn and vitamin D timers, SPF guidance, smart alerts, and Lock Screen Live Activities.
The sun is good for you—too much isn’t.
Sun exposure shouldn’t be guesswork.
With Sunneuv, you can:
Check the real-time UV Index
Find your ideal sun time
Know when to apply sunscreen
See location-based weather conditions
Whether you’re walking, running, hiking, or relaxing at the beach, Sunneuv helps you enjoy the sunshine with confidence.
KEY FEATURES
• Live UV index and local weather powered by Apple Weather
• Personalized estimates based on skin type, SPF, exposed skin, and vitamin D goal
• Clear sunscreen guidance for changing UV conditions
• Sun exposure timer with Lock Screen Live Activity
• High UV, sunburn, vitamin D window, and morning brief alerts
• Exposure history and long-term sunlight trends
• Optional Apple Health integration for Time in Daylight, UV Index, skin type, and dietary vitamin D data
• High UV alerts
• Sunscreen reapplication reminders
• Sunburn warnings before your estimated exposure limit
• Vitamin D window notifications
• Rest-of-day sunlight guidance
• A morning brief with the day’s expected UV peak and SPF suggestion
HISTORY & TRENDS
• Review previous sunlight sessions by date
• See UV, weather, sunscreen, and exposed-skin details for each session
• Track sunlight exposure and vitamin D goal progress over time
• Understand patterns with weekly, monthly, and long-term trends
Sunneuv provides informational estimates only and is not a substitute for professional medical advice. Weather, UV, skin response, and vitamin D production can vary. Always follow local public-health guidance and use appropriate sun protection.
Privacy:
- Sensitive health and skin information stays on your device.
- No account required.
Privacy Policy: https://sunneuv.com/privacy
Terms of Use: https://sunneuv.com/terms
Ratings & Reviews
What's new in version 1.0.1:
• Fixed Lock Screen Live Activity countdown and progress updates.
• Improved timer completion states for sunburn and vitamin D.
• Smoothed sunburn and vitamin D countdowns after pause and resume while preserving live UV-based adjustments.
• The system alarm now alerts only when the sunburn safety timer ends.
• Improved UV 0 safety states and disabled unavailable timer actions.
• Simplified Settings subpages by removing the redundant back button.
• Improved skin type selection responsiveness and overall stability.
The developer, 辰 龚, 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 Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
- Purchases
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 辰 龚
- Size
- 21.9 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 3 more
- English, French, German, Spanish
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Sunneuv+ Weekly $5.99
- Sunneuv+ Annual $29.99
- Copyright
- © 2026 Sunneuv