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About
Helio Track helps you make the most of natural sunlight by tracking your real-time vitamin D production and burn risk based on your location, skin type, and current UV conditions.
WHAT IT DOES
- Calculates real-time vitamin D (IU) production during sun sessions
- Tracks your progress toward the daily 1,000 IU vitamin D goal
- Shows your safe exposure time based on your skin type and UV index
- Identifies optimal windows for red light therapy (morning and evening)
- Forecasts tomorrow's best times for vitamin D synthesis and red light exposure
- Tracks daily streaks when you hit your vitamin D goal safely
HOW IT WORKS
Enter your city, select your skin type (1-6), and set your typical skin exposure level. Helio Track uses real-time weather data and astronomical calculations to show you exactly how much vitamin D you're generating and when your burn risk becomes significant.
FEATURES
- Real-time sun elevation and UV index display
- Live session timer with vitamin D and burn dose tracking
- Daily progress tracking with streak system
- Tomorrow's optimal exposure forecast
- Sunscreen toggle to adjust burn risk calculations
- Customizable notification reminders for morning red light, vitamin D window, and evening red light
- Educational insights on vitamin D and sun exposure
For informational purposes only. Not a substitute for medical advice.
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What's New in Helio Track
1.5
July 7, 2026
Fixed sunrise and sunset time display



