Ametan

Ametan is a scrum cards app for story estimation, with an emphasis simplicity and aesthetics. By tapping the left and right hand sides of the screen, you can decrement and increment your estimations in the range of 0, 1/2, 1, 2, 3, 5, 8, 13, 20, 40, 100, ∞ and ?.

Tapping the logo at the bottom of the screen allows you to hide the result so that it can be revealed when everyone reveals their respective estimations.