Sundex: UV Index & Sun Tanning

About this app

Sundex is your smart sun companion — designed to help you make the most of sunlight safely and effectively. Whether you're trying to boost your vitamin D levels, tan responsibly, or avoid sun damage, Sundex provides real-time data and personalized insights based on your skin type and location. With live UV index tracking, a smart vitamin D calculator, and guidance on the best times to be in the sun, Sundex empowers you to take control of your sun exposure. No more guessing — just scientifically informed decisions for your health and lifestyle. Key Features: • Real-time UV index based on your current or selected location • Personalized sun exposure windows for safe and effective tanning • Daily and hourly UV forecasts to help plan your outdoor activities • Skin type analysis to offer tailored sun safety tips • Vitamin D calculator that estimates optimal sun time based on conditions • Global UV map to explore sun intensity worldwide • Simple and intuitive design for a smooth experience Whether you're at the beach, walking in the city, or just relaxing outdoors, Sundex gives you the tools to protect your skin and optimize your time in the sun. Use the app to balance your need for vitamin D with your skin’s safety, and enjoy a healthier relationship with the sun every day. Stay informed. Stay safe. Get your glow — with Sundex. Terms of Use: https://docs.google.com/document/d/15_WFBy1DtDYfeLudDe5gIRDil02aflGiYTrmSvufnsc/edit?usp=sharing

To provide the best experience in our app, we regularly release updates. In this update, visual improvements have been made. With brand-new Vitamin D and forecast screens, everything is now much clearer and more functional. Skin types are now more diverse and comprehensive.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 13, 2026 · 4:44 AM Free