i-Pedometer is the most accurate application that can measure your steps, workout duration,distance, calories burned, speed, and the average speed while youre running, or walking.
How to use:
1- Start i-Pedometer.
2- Tap Start button.
3- Place your device in your pocket.
4- Wait until you listen the "Whistle" sound.
5- Start walking or running, and enjoy listening to your music.
6- Unlock the app, in case you need to stop.
7- Share on Facebook, twitter, and email.
One more thing:
You can listen to music while you are using i-Pedometer, just select your playlist from your music library, then it will be played automatically once you start the app.