Comprehensive Vitamin D tracking app. Uses the GPS in your phone to figure out where you are on the planet then computes when you can get D, how much of it you can make, gives you a timer and in the paid version the ability to manage history and have the app estimate your levels on an ongoing basis.
综合维生素D跟踪应用程序。使用手机中的GPS来揣摩出你在这个星球上,然后计算时,你可以得到D,你可以有多少做,给你一个计时器,并在付费版本,以管理的历史,并有应用程序估计的能力你的水平持续进行。