SunDTracker: Vitamin D & UV

SunDTracker – Your Personal Sun Exposure Companion Know how long you have been in the sun, and how much vitamin D you gained. SunDTracker combines your location, the live UV index and your personal skin type into a clear picture of every sun session. KEY FEATURES • Personal sun tracking based on skin type (Fitzpatrick I–VI), age and weight • Live UV index and solar position for your location • Session timer with start/stop and background updates • Sunburn warnings before your skin reaches its limit • Multiple profiles – ideal for the whole family • PIN protection for individual profiles • UV forecast for planning your day • History, statistics and daily logs • Supplement logging in IU or μg • Data export as CSV or PDF over any date range SMART CALCULATION SunDTracker estimates vitamin D synthesis from: • Live UV index and cloud cover • Solar elevation for your position and time of day • Skin type on the Fitzpatrick scale • Exposed body surface, clothing and sunscreen • Altitude and weather conditions PRIVACY FIRST • All data stays on your device – no cloud sync • Encrypted local database • Location is used only for UV values and is never stored on a server • Full control: export or delete your data at any time FREE AND PREMIUM The free version is ad-supported and includes three weather updates per day; the values retrieved last stay available all day. Premium removes all ads and allows unlimited weather updates – the first month is free, then it continues as a monthly or yearly subscription (price shown in the app). PERFECT FOR • Families sharing one device • Outdoor workers and athletes • Beach, pool and garden • Anyone who wants vitamin D without sunburn Note: SunDTracker is an informational wellness tool, not a medical device. It does not provide diagnosis or treatment. For health questions, please consult a healthcare professional. UV radiation can damage skin – always use appropriate sun protection.