Paid iPad app: https://itunes.apple.com/us/app/amazing-coin-usd-money-learning/id495105315?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/amazing-coin-usd-money-learning/id495105315?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/motion-math-hungry-fish/id483049169?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/motion-math-hungry-fish/id483049169?mt=8&uo=4&at=10l6SU