Apple iPhone and GNU GPL v3, what about Microsoft? This sentence is already in English. However, if you are asking for a rephrased or more detailed version: The Apple iPhone operates under its own proprietary licensing through Apple's terms, not the GNU GPL v3, which is a free software license used by many open-source projects. As for Microsoft, it primarily uses its own proprietary licenses for software like Windows and Office but has also been increasingly involved with open-source initiatives, contributing to and using GPL-licensed software among others. Would you like more specific information regarding these companies and their licenses?