Runtastic PRO is fantastic for tracking all kinds of exercise - running, cycling, walking and more. The impressive range of features include voice feedback, heart rate support, calorie goals, pace goal, geotagging, weather and temperature. Keep a personal workout diary and keep track of your progress and improvements.
As effective as a personal trainer in your pocket, Endomondo Sports Tracker keeps track of your time, distance, speed and calories burned. Stats are uploaded to the Endomondo website and you can choose to take part in monthly challenges. The app even has a voice encouraging you as you go!
Adidas miCoach uses GPS and voice coaching to turn your phone into a personal trainer. Choose a training plan, track your progress and sync the app with your miCoach account. Listen to music as you exercise and even have the app tell you when your shoes are too worn!