Soleil: UV Index & Sun Safety

Soleil gives you real-time UV index readings, personalized sun safety alerts, and smart sunscreen reminders — all from your wrist or home screen. Know exactly when to reapply SPF, how long until you burn, and when the UV is perfect for safe vitamin D exposure.

REAL-TIME UV MONITORING
• Live UV index from Apple WeatherKit, updated throughout the day
• Hourly UV forecast so you can plan outdoor time
• Color-coded risk levels from low to extreme
• Home screen and lock screen widgets at a glance

PERSONALIZED FOR YOUR SKIN
• Fitzpatrick skin type profiling for accurate burn times
• Personalized safe exposure windows
• Guided tanning mode with smart timers
• Exposure journal to track your sun history

SMART SUNSCREEN REMINDERS
• SPF reapply alerts based on your sunscreen and activity
• Log applications with product, SPF level, and body coverage
• Live Activity countdown on your lock screen
• Never miss a reapply again

VITAMIN D TRACKING
• Daily vitamin D synthesis estimates based on your skin type and UV
• Weekly and monthly progress toward your goal
• Understand the balance between protection and vitamin D needs

APPLE WATCH & WIDGETS
• Independent watchOS app with UV readings and burn timers
• Complications for your watch face
• Small, medium, and large home screen widgets
• Lock screen widgets for instant UV checks

BUILT FOR PRIVACY
• No accounts required — your data stays on your device
• iCloud sync across your devices, encrypted end-to-end
• No ads, no tracking, no data selling

Enjoy the sun confidently with Soleil.

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Privacy Policy: https://soleil-app.pages.dev/privacy.html