A clean, simple visual timer.  This is useful for any situation where you want a visual representation of time remaining. Especially useful for timing children at home or in class.  If fact, I wrote PieTimer for my wife for that very purpose and our kids love it....as much as kids like being timed.

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You can set the time for a few seconds up to 24 hours with the swipe of your finger.

 

Download PiTimer from the Apple AppStore.