Sun-Day
Sun-Day Summary
Sun-Day is a mobile Android app in Health And Fitness by DIH. Released in Apr 2026 (1 month ago). It has about 59+ installs Based on AppGoblin estimates, it reaches roughly 34 monthly active users . Store metadata: updated Apr 1, 2026.
Recent activity: 28 installs this week (59 over 4 weeks) showing strong growth View trends →
Store info: Last updated on Google Play on Apr 1, 2026 .
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Ratings: 0
Screenshots
App Description
Your personal guide to healthy sun time, perfectly balanced.
Sun Day — Smart Sun Exposure & Vitamin D Tracking
Sun Day helps you get the right amount of sun for healthy vitamin D without overexposure.
🌞 Personalized Sun Sessions
Enter your skin type, age, and clothing, and Sun Day recommends when and how long to be in the sun in your location. Real-time UV data lets you start a session and track how much vitamin D you synthesize.
⏱️ Burn Timer
The burn timer estimates when you may start to burn based on your profile. Get alerts before you overexpose and protect your skin.
📊 Your Sun Data
View history of sun sessions, vitamin D trends, and progress over time. See forecasts and plan around the best UV windows.
❤️ Health Integration
Sun Day can sync vitamin D synthesis with Apple Health (iOS) so you see your sun exposure in your health data.
🏆 Stay Motivated
Daily challenges, achievements, and streaks make sun exposure a simple, engaging habit.
Features
Real-time UV index from your location
Personalized burn time and vitamin D estimates
Forecast and best-time recommendations
Session history and export
Dark mode
Daily challenges and achievements
Your safety first
Sun Day uses guidelines from health authorities for vitamin D and UV exposure. It does not replace medical advice. Always follow your doctor’s recommendations and use sunscreen when needed.
Download Sun Day and build a healthier sun routine.