from eppz! development Kft, originally released 12th January, 2010
A cube timer in your pocket!
TapStack© is the iPhone transcription of the well known StackMat® timers mainly used by speedcubers and speedstackers for practicing and competiting. Although, it can be used as a simple stopwatch for any general purpose.
Recent posts about ©TapStack
discussion by Sidelines.