# Sunsafe Tannin app - UV Derma — SPF,UV Index,Vitamin D Tracker > Track UV exposure and vitamin D synthesis for safe, natural health optimization. (iPhone/iPad app by Antonio Jose Martinez Sanchez.) - Source: https://appshunter.io/ios/app/sunsafe-tannin-app-uv-derma/id6748702063 (this page in markdown: same URL + `.md`) - Developer: [Antonio Jose Martinez Sanchez](https://appshunter.io/developer/910881251) - Category: Weather, Health & Fitness - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 22 MB - Languages: Danish, Croatian, Norwegian Bokmål, German (Germany), Italian, Japanese, French (France), Polish, Swedish, Chinese (Simplified, China) and 6 more - Released: 2025-08-12 - Data updated: 2026-08-24 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/sunsafe-tannin-app-uv-derma/id6748702063/reviews.md ## What is Sunsafe Tannin app? Optimize Your Vitamin D Naturally with Safe Sun Exposure Transform your relationship with sunlight and boost your health with UV Vitamin D Tracker – the intelligent app that helps you safely harness the sun's power for optimal vitamin D synthesis while protecting your skin. Smart Sun Exposure Tracking • Real-time UV index monitoring with location-based forecasts • Personalized recommendations based on your skin type (Fitzpatrick I-VI) • Precise vitamin D synthesis calculations using advanced scientific algorithms • Safe exposure time recommendations to prevent sunburn Comprehensive Health Integration • Seamless HealthKit integration for vitamin D and sun exposure data • Track your daily progress toward personalized vitamin D goals • Monitor exposure duration, UV intensity, and vitamin D absorption • Detailed session history with mood tracking and notes Personalized Experience • Custom skin type assessment for accurate burn time calculations • Adjustable clothing level settings for precise vitamin D calculations • Smart reminders to help you maintain consistent healthy habits Advanced Weather Intelligence • Real-time UV index data and 24-hour forecasts • Cloud cover and altitude adjustments for precise calculations • Weather-aware recommendations for optimal sun exposure timing • Location-based UV quality factors throughout the day Multi-Platform Ecosystem • Native Apple Watch app for on-the-go tracking • Home screen and lock screen widgets for quick UV checks • Cross-device synchronization with CloudKit AI-Powered Insights • Daily personalized summaries powered by AI • Motivational progress updates and streak tracking • Intelligent recommendations based on your exposure history • Adaptive suggestions for maintaining optimal vitamin D levels Gamification & Motivation • Streak tracking to build consistent healthy habits • Progress visualization with beautiful charts and graphs • Achievement system to celebrate your wellness milestones Privacy & Security • All health data stays on your device with optional CloudKit sync • No personal information shared with third parties • Transparent data usage with granular privacy controls • HIPAA-compliant health data handling Perfect for: • Health-conscious individuals optimizing vitamin D levels • People with vitamin D deficiency seeking natural solutions • Outdoor enthusiasts wanting to track sun exposure safely • Anyone interested in the science of vitamin D synthesis • Users managing seasonal affective disorder (SAD) Why Choose UV Vitamin D Tracker? Unlike generic sun safety apps, UV Vitamin D Tracker uses cutting-edge scientific research to calculate precise vitamin D synthesis rates based on your unique profile. Our advanced algorithms consider skin type, age, clothing coverage, time of day, altitude, and weather conditions to provide the most accurate vitamin D tracking available. Whether you're looking to boost your energy, improve your mood, or optimize your overall health through natural vitamin D synthesis, our app provides the tools and insights you need to safely harness the power of sunlight. Download now and start your journey to optimal vitamin D health! ## Key features - Real-time UV index monitoring - Personalized vitamin D recommendations - Safe exposure time calculations - HealthKit integration - AI-powered insights - Apple Watch app ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly Plan | $3.99 | per month | | Weekly Plan | $1.49 | per 7 days | | Annual Plan | $17.99 | per year | | Annual Plan | $14.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Access | $19.99 | one-time | | Pro Lifetime | $21.99 | one-time | ## Frequently asked questions about Sunsafe Tannin app ### What is the short name for Sunsafe Tannin app - UV Derma? The short common name for Sunsafe Tannin app - UV Derma is Sunsafe Tannin app. This is derived by removing the subtitle and any text after a dash. ### Does Sunsafe Tannin app have ads? No, Sunsafe Tannin app does not contain advertisements. The app is free to download and use, with optional in-app purchases available for enhanced features. ### What devices is Sunsafe Tannin app compatible with? Sunsafe Tannin app is compatible with Apple devices including the iPhone and iPad. It also features a native Apple Watch app for on-the-go tracking. ### How often is Sunsafe Tannin app updated? The latest version of Sunsafe Tannin app is 1.2, which was last updated on June 15, 2026. Updates typically include new features, bug fixes, and performance improvements. ### What are the subscription plans for Sunsafe Tannin app? Sunsafe Tannin app offers several subscription plans: a Weekly Plan for $1.49, a Monthly Plan for $3.99, and an Annual Plan for $14.99 with a 7-day free trial, or $17.99 with a 3-day free trial. ### Is Sunsafe Tannin app suitable for children? Sunsafe Tannin app has an age rating of 4+. This indicates it is suitable for young children, though parental guidance may be advised for understanding the health-related features. ### How does Sunsafe Tannin app calculate vitamin D synthesis? Sunsafe Tannin app uses advanced scientific algorithms that consider your skin type, age, clothing coverage, time of day, altitude, and weather conditions to provide precise vitamin D synthesis rates. ### What makes Sunsafe Tannin app different from other sun safety apps? Unlike generic sun safety apps, Sunsafe Tannin app leverages cutting-edge scientific research to calculate precise vitamin D synthesis rates based on your unique profile and environmental factors. ## Version history (last 3 releases) ### 1.2 — 2026-06-15 Improvements and fixes ### 1.1 — 2025-08-18 Improvements and fixes ### 1.0 — 2025-08-12 No release notes. ## Apps similar to Sunsafe Tannin app | App | Rating | Price | Category | | --- | --- | --- | --- | | [Sunny Pal](https://appshunter.io/ios/app/sunny-pal/id6744904317) | 4.9 (1,453) | Free | Weather | | [Sola: UV Index & Sun Exposure](https://appshunter.io/ios/app/sola-uv-index-and-sun-exposure/id1454332188) | 4.6 (97) | Free | Weather | | [Sun Tracker: UV Index & Tan](https://appshunter.io/ios/app/sun-tracker-uv-index-and-tan/id1526476234) | 4.5 (442) | Free | Weather | | [UV Index: SunWise](https://appshunter.io/ios/app/uv-index-sunwise/id6449424793) | 4.6 (1,074) | Free | Weather | | [SunRay Tanning Routine App](https://appshunter.io/ios/app/sunray-tanning-routine-app/id6736963564) | 4.7 (574) | Free | Weather | | [Skin Tanning, Rayz Fasting](https://appshunter.io/ios/app/skin-tanning-rayz-fasting/id6749466277) | 4.4 (29) | Free | Weather | ## More apps by Antonio Jose Martinez Sanchez - [AAC Text to Speech TTS Dinata](https://appshunter.io/ios/app/aac-text-to-speech-tts-dinata/id916525681) - [Nimblit: Brain Games](https://appshunter.io/ios/app/nimblit-brain-games/id1182999726) - [Sunset Prediction AI : Solora](https://appshunter.io/ios/app/sunset-prediction-ai-solora/id6502008343) - [Beach Weather SPF Olamar](https://appshunter.io/ios/app/beach-weather-spf-olamar/id6651860798) - [Secret Santa Gift Exchange Fun](https://appshunter.io/ios/app/secret-santa-gift-exchange-fun/id6740244417) All apps by Antonio Jose Martinez Sanchez: https://appshunter.io/developer/910881251 ## Related topics [sunbit](https://appshunter.io/ios/topics/sunbit) --- *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 2026-08-24.*