I know dogs are supposed to be man's best friend, but I'm starting to think my iPhone is. I may not be able to cuddle up to its warm furry coat, but it keeps me in touch with my friends and family, provides the soundtrack to my life, and even acts as a personal trainer. Who needs a Jillian or Jackie when you've got an app that will count your calories for you, introduce a new yoga routine to you, and cheer you along on your jog? If you're looking for some apps to get you motivated or jump-start a new routine, check these five out and get sweating!
5 Fitness Apps to Download Now