You're not going to develop for both platforms simultaneously because that is a recipe for headaches and higher costs - especially if you're still figuring out your product-market fit.

Let's not even talk about Android device fragmentation, which I can only imagine is a serious problem. The difference lies in that while Androids may dwarf iOS installs in terms of units sold, the iOS platform dwarfs the Android in terms of the size of the market of people willing to buy apps.