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From Mario Schroeck:
ShakeCount is the first Tally Counter which lets you count by shaking the phone, i.e. you don't have to watch the screen while counting!Hold the phone with its backside lying in the inside of your right hand. Count by gently shaking the phone towards its left hand side. An option in the settings allows to switch the user's preferred hand from right to left.The accelerometer based shake-event recognition is implemented such that it provides a very clear trigger while at the same time allows for very fast counting. ShakeCount responds to a shake with your choice of the combination of sound, vibration and/or a flash via the camera's flash light.An alert value can be set and the counting direction can be switched from up to down. Optionally, you can also use "up" and "down" touch-buttons to count.For free and free of advertisement!