Sun-Day
Track sun & optimize vitamin D
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Optimize your sun exposure! Track Vitamin D synthesis in real-time, get smart burn warnings, and boost your daily energy. Discover the smartest way to enjoy the sun.
Sun Day is a refined, intelligent tool designed for those who embrace an active lifestyle while maintaining a commitment to skin health. By synthesizing real-time environmental data with your personal health metrics, Sun Day transforms how you interact with the sun.
At its core, Sun Day provides a precise, location-aware UV Index, allowing you to make informed decisions about your time outdoors. Whether you are planning a morning run or a weekend at the coast, the app offers the clarity needed to balance sun exposure with safety.
Key capabilities include:
- Real-time UV tracking: Accurate, location-based data to keep you informed.
- Health Integration: Seamlessly syncs with Apple Health to track Vitamin D synthesis, providing a holistic view of your wellness.
- Intelligent Alerts: Proactive notifications that guide you on when to seek shade or reapply protection, tailored to your specific needs.
- Elegant Interface: A minimalist design that prioritizes readability and ease of use, ensuring you get the information you need without distraction.
Sun Day is more than a tracker; it is an essential partner in your daily wellness routine, offering the peace of mind that comes with being prepared.
Ratings & Reviews
The developer, DIH, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- DIH
- Size
- 33.3 MB
- Category
- Weather
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 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 and French
- Age Rating
4+
- 4+
- Copyright
- © DIH LABS
