Eleven year old Abby writes on the family's blog: "You might think I am too old for this app [MathSpinK], but you know what, it is just perfect for siblings... My sister was actually the one who designed the princess one... My little brother picked the colors of the steam train engine..." iHomeEducator offers other applications for older kids, as well. MathSpin1 teaches Mayan and Chinese numbers... [also see MathSpin2, MathSpin3, and iLiveMath series]

also a 2nd article on iLiveMath