That's not entirely true. They forbid using other people's code licensed under the GPL because it is not possible to meet its conditions[1]. Basically, they don

That's not entirely true. They forbid using other people's code licensed under the GPL because it is not possible to meet its conditions[1]. Basically, they don't want to deal with the possible resulting copyright lawsuit. If you own the copyright to all the code used in your app, then there is no issue. [1]: http://apple.stackexchange.com/a/59495/101602 http://apple.stackexchange.com/a/59495/101602