Sunly: UV Index & SPF Tracker
Tanning App & Vitamin D Timer
Only for iPhone
Free · In-App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Check the live UV index, get smart SPF reapply reminders, and time safe tanning or vitamin D sessions tuned to your skin. Enjoy the sun, skip the burn.
Sunly is your premium, zero-maintenance sun-safety utility and smart UV tracker. Get the real-time UV index for your precise coordinates, track daily daylight exposure, and receive smart alerts to reapply sunscreen—all tailored exactly to your unique skin type.
Whether your goal is safe tanning to build a flawless golden glow or health optimization to safely maximize vitamin D synthesis, Sunly keeps your skincare routine completely protected.
WHAT MAKES SUNLY SMART:
REAL-TIME UV INDEX & FORECAST
- Live Tracking: See the localized UV index and your personalized safe-exposure window hour by hour.
- 7-Day Outlook: Check the full week ahead to plan beach days, outdoor runs, or summer holidays.
- Skin Typing: Every single reading matches your specific Fitzpatrick skin profile automatically.
AUTOMATED SPF REMINDERS
- Smart Tracking: Sunscreen wears off silently. Sunly monitors real-time UV changes to accurately time your next layer.
- High-UV Alerts: Receive a proactive notification the exact second indices cross your skin's safety threshold.
SUN SESSIONS & LIVE TIMER
Launch an active, on-device tracking session when you head outdoors. Choose the custom mode built for your goals:
- PROTECTION MODE: Stay fully shielded with guided safe-exposure limitations and automated notifications.
- SAFE TANNING MODE: Build beautiful color gradually with structured round-by-round side timing to completely prevent sunburns.
- VITAMIN D MODE: Calculate the exact minutes required to hit your daily synthesis target, then track when it is time to cover up.
TRENDS & APPLE HEALTH
- History Logs: Monitor your historical data, identify patterns, and look back at days you accidentally overdid it.
- System Sync: Seamlessly write your "Time in Daylight" metrics directly into the Apple Health ecosystem.
WORLDWIDE TRACKING
- Save and monitor indices for home, work, or your next travel destination before you pack your bags.
CHOOSE YOUR PATH:
SUNLY FREE:
- Local real-time UV index and current day forecast details.
- Active sun sessions with a live tracking system timer.
- Personalized skin profile configuration.
SUNLY PRO:
- Full 7-day UV forecast graphs and dynamic safe-exposure windows.
- Proactive sunscreen timers and automated high-UV alerts.
- Long-term historical trend tracking and habit analytics.
- Apple Health sync automation.
- Unlimited saved locations worldwide.
Enjoy the sun. Skip the burn. Download Sunly today and transform your device into an intelligent sun safety companion.
Your Privacy Matters:
- Privacy Policy: https://sunlyapp.com/privacy-policy
- Terms of Use (EULA): https://sunlyapp.com/terms
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Improve stability
- Add custom sessions
The developer, Olyndo Ltd, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
- Purchases
- Contact Info
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 45.1 MB
- Category
- Weather
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 5 more
- English, French, German, Italian, Portuguese, Spanish
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Sunly Pro Weekly 3,99 €
- Sunly Pro Yearly 35,99 €
- Sunly Pro Yearly 35,99 €
- Sunly Pro Monthly 11,99 €
- Sunly Pro Weekly 3,99 €
- Provider
Olyndo Ltd
- Olyndo Ltd has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
- DUNS Number
232733267 - Address
124-128 City Road
LONDON
N/A
EC1V 2NX
United Kingdom - Phone Number
+44 2080642075 - Email
contact.apps@olyndo.com
- Copyright
- © 2026 Olyndo Ltd