SunGuard: UV Index & SPF
UV forecast & sunscreen timer
About
Understand your skin type and get personalized sun exposure guidance. Track your skin's progress over time with weekly photo analysis and receive smart, local UV alerts. Prioritizes user privacy with on-device processing and no account required.
What's New in SunGuard
1.3.0
August 11, 2026
SUNGUARD NOW SPEAKS YOUR LANGUAGE SunGuard is now fully available in Portuguese, Spanish, and French. Every screen, reminder, and widget follows your device language automatically, with local date and time formats. Also in this update: • The widget gallery preview now appears in your language • Small polish throughout Already in SunGuard: reapply reminders that arrive even when the app is closed, and a timer that adjusts for shade, sand, water, and snow.
MoreFAQ
What is SunGuard AI's main purpose?
SunGuard AI helps you understand your skin type and provides personalized sun exposure guidance. It offers features like a live UV index, a smart reapply timer, and weekly skin progress tracking through photo analysis.
How does SunGuard AI help with sun safety?
It provides the live UV index for your location, a reapply timer based on your SPF and skin type, and alerts before UV peaks. The app also helps you understand your Fitzpatrick skin type for tailored sun advice.
Can I track my skin's appearance over time with SunGuard AI?
Yes, SunGuard AI features a 'Skin Progress' function where you can take weekly photos. The app analyzes tone evenness, clarity, calmness, smoothness, and radiance on your device, providing a score to follow your skin's story.
Is my skin data safe with SunGuard AI?
SunGuard AI is designed with privacy in mind. It works without an account, and your photos never leave your phone. Skin analysis is performed entirely on your device, with no data uploaded.
What devices does SunGuard AI support?
SunGuard AI is available for iPhone and iPod devices, indicated by its compatibility with iOS.
How often is SunGuard AI updated?
The app was last updated on July 14, 2026, with version 1.1.0, indicating recent development and bug fixes.
Does SunGuard AI have ads?
No, SunGuard AI is free and does not contain advertisements, as indicated by its monetization model and the absence of an 'hasAds' flag.
What is the age rating for SunGuard AI?
SunGuard AI has an age rating of 4+, making it suitable for a wide range of users, including children.