Supported On:Android Gingerbread (2.3)+
Package ID: com.noom.walk
Noom Walk is a pedometer that counts your steps all the time without killing your battery:
Automatically counts steps, 24/7,
Uses less than 2% of your battery (During a full 24 hours of use, Noom Walk uses the same amount of battery as 20 minutes of screen display or just 3 minutes of GPS.),
Motivates you and your friends with comments & high fives,
100% free, no external hardware required.
Noom Walk is the best pedometer available for the Android platform. It counts your steps and lets you know when you've reached daily step count records. You'll be notified when new friends join, and you can always visit their profiles to encourage them with high fives and comments.