https://www.liveultrahealthy.com/

Price: Free App
Description:
Now you can know how long it’s good for you to be in the sun, specific to your skin type.
Try our free app Violet® or purchase our wearable. Then trust that we are tracking your sun exposure, personalized to you, throughout the day.
Be sun safe
Exposure to the sun is a major contributor to skin aging, and too much can result in skin cancer. Violet alerts you when your time in the sun is no longer safe.![]()
Enjoy personalized advice
Violet® free App advises you on how long to be outside by taking your skin type combined with the sun’s current intensity, read from local weather stations UV (ultraviolet) data.![]()
Get vitamin D
Many people are vitamin D deficient. Now you can track how much vitamin D you are getting from the sun each day for your better overall health.