Yet Another Planning Poker App!
Yappa! can be used in scrum/agile planning poker meetings.
Select an amount of points from the Fibonacci-like sequence, or the question mark if you are unsure, or the coffee cup if you need a break. Tap the screen or shake your iPhone/iPad to show your choice and return to the selection screen.
The source code for this app is available under the MIT open source license. You can find the source through the support link in the App Store.