This Pebble app tracks balls, strikes, outs.

[Back] to undo.
[Up] to increase balls.
[Select] to increase strikes.
[Down] to increase outs.

When you press the [Back] button to return to the previous indicator .

If you press the [Select] button after three strikes , it increases the out count .

When you press the [Down] button after three out , all the indicators are initialized .