# SunGuard: UV Index & SPF — UV forecast & sunscreen timer > Personalized sun exposure guidance and skin progress tracking. (iPhone/iPad app by Mani De Osu.) - Source: https://appshunter.io/ios/app/sunguard-uv-index-and-spf/id6783421054 (this page in markdown: same URL + `.md`) - Developer: [Mani De Osu](https://appshunter.io/developer/6783421056) - Category: Health & Fitness - Price: Free - Rating: 5.00/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 52 MB - Languages: American English, French (France), European Portuguese, European Spanish - Released: 2026-07-13 - Data updated: 2026-08-13 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sunguard-uv-index-and-spf/id6783421054/reviews.md ## What is SunGuard? SunGuard AI helps you understand your skin and stay ahead of the sun. Find your Fitzpatrick skin type in a quick, tap-only quiz, then get sun guidance tuned to you — the live UV index for your exact location, a smart reapply timer that factors in your SPF and skin type, and gentle alerts before the UV peaks. NEW — SKIN PROGRESS Take a weekly photo and watch your skin's story unfold. SunGuard reads tone evenness, clarity, calmness, smoothness, and radiance — entirely on your device — and turns them into one simple score you can follow over time. See your before and after, keep your weekly streak, and watch your sun-care habits pay off. WHAT YOU GET, FREE: • Live UV index and hour-by-hour forecast for where you are • A personal reapply timer based on your SPF, activity, and skin type • Skin Progress — a weekly photo score for tone, clarity, and glow • Before/after comparisons that are actually yours • Know Your Skin — discover your Fitzpatrick type in under a minute • Sunrise, sunset, and the day's sun path at a glance • Smart, local notifications — never spammy PRIVATE BY DESIGN: The app works fully without an account, and your photos never leave your phone. Skin analysis happens entirely on your device — nothing is uploaded, ever. SunGuard is a general wellness and educational app. It tracks how your skin looks, not medical conditions. It does not provide medical advice and does not diagnose, detect, or screen for any condition. If you ever notice a new or changing spot on your skin, see a dermatologist. Always consult a qualified professional for any medical concern. ## Key features - Fitzpatrick skin type quiz - Live UV index and forecast - Smart SPF reapply timer - Weekly skin progress photos - On-device photo analysis - Privacy-focused design ## Frequently asked questions about SunGuard ### 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. ## Version history (last 3 releases) ### 1.3.0 — 2026-08-11 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. ### 1.2.0 — 2026-07-21 Sun protection that reaches you. • NEW: Home & Lock Screen widgets — your live UV and reapply time at a glance • Reapply reminders that actually reach you — smart alerts through the day, plus a heads-up before UV peaks • Smarter timer — tap to adjust for shade, sand, water, or snow; it pauses automatically when UV is low • Your name now appears after you sign in • Reliability and performance improvements ### 1.1.0 — 2026-07-14 No release notes. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*