QSun measures the UV index of your exact location. The QSun companion app provides personalized sun safety tips.
- Get alerts when it’s time to seek sun protection, and find out how long you can safely stay in the sun, based on your skin type.
- Find out how much sunscreen you need, based on your height and weight.
- Find out whether a sunscreen is right for you.
- Find out how much vitamin D your body produces from sun exposure.