1. Couch to 5k
This particular app is perfect for the newbies. Often we see people trying too hard at the start of their running and end up hurting themselves. The Couch to 5k app schedules three 30 minute workout per week and at the end of a 9 week period, you will be ready to run a marathon. All your data including the distance run, time spent and calories burnt will be stored and can be uploaded to active.com from where you can compare with other runners and get tips and tricks as well.