The problem with making a business model rest on paying to remove anti-features in a product is that once you have sold the product, you don't own it any more, and you are inviting competitors to remove the anti-features for a lower price.
Expect competitors who will sell, say, a $10 program that will disable the ads by rooting the phone and installing an alternate image without the anti-features.
Expect competitors who will sell, say, a $10 program that will disable the ads by rooting the phone and installing an alternate image without the anti-features.