Marco, if you're reading this: don't do it. Even with a 50/50 split, you're going to be leaving a tonne of money on the table.
IMHO, you should contract someone you respect to do the V1, buy the code from them and own all the rights, and start maintaining it along side your iOS version.
IMHO, you should contract someone you respect to do the V1, buy the code from them and own all the rights, and start maintaining it along side your iOS version.
Launching on Android will double your revenue.