"John A. De Goes"
Go ahead sell your GPL application. I'll get your code, build the application, and sell it for less than half of what you're selling it for.
I don't think you can go below 0.79 in the Apple store, and I guess you'll have a hard time convincing Apple to list your identical program alongside with the original version.
How exactly will you make your money, then?
Selling tapes, not software. Unless you invent something like the internet that gets rid of time needed write tapes and package&shipment costs, you're going to have a very, very hard time being cheaper than anybody else unless you live on a different continent, and an incredibly hard time financing the advertisement you need to place your product more prominently than RMS can do simply by being himself.
When people say, "You can't make commercial software with GPL code," they don't mean it's not legally possible to sell GPL code, only that it's not commercially viable.
Oh, it is. Id is still selling Quake I data files, and you'll be surprised how much you're allowed to do since the GPL isn't the Affero GPL. -- (c) this sig last receiving data processing entity. Inspect headers for copyright history. All rights reserved. Copying, hiring, renting, performance and/or quoting of this signature prohibited.