"iOS users will be charged $12.99 to cover Apple’s in-app purchase tax." If that's true, it looks like someone in google got their math wrong. Apple will take

"iOS users will be charged $12.99 to cover Apple’s in-app purchase tax." If that's true, it looks like someone in google got their math wrong. Apple will take 30% of $12.99, i.e. $3.90, leaving google with only $9.09, not the $9.99 they're expecting. The correct price to "cover Apple’s in-app purchase tax." is $14.27.