Unless the app itself cost money to download, then it's to late. You could create a bootstrap page after first install, bit that makes it feel like unfair caus

Unless the app itself cost money to download, then it's to late. You could create a bootstrap page after first install, bit that makes it feel like unfair cause the app was 'free' on the app store. So once again Apple got it all figured out how to make stuff difficult for creators and make money while doing it