Mobile apps are revolutionizing the way we run faster, get stronger, and eat better. From the silly (zombies!) to the scientific (genetics!) here are the best 64 health and fitness mobile apps of 2013. (And best yet... most of them are free, shhh.) - greatist.com/...

Mobile apps are revolutionizing the way we run faster, get stronger, and eat better. From the silly (zombies!) to the scientific (genetics!) here are the best 64 health and fitness mobile apps of 2013. (And best yet... most of them are free, shhh.) - greatist.com/...

Original article and pictures take https://greatist.com site