@JasonS Neither do you care to educate yourself, apparently. https://www.engadget.com/2011/01/09/the-gpl-the-app-store-and-you/
http://www.zdnet.com/article/no-gpl-apps-for-apples-app-store/
There are tons of other articles that are only a google search away. I have no patience for your type of laziness, which is why I became hostile. If you care to do your own research, you're less than 60 seconds away from your answer these days, thanks to the marvelous invention known as the Internet.