Kurmanji (Kurmancî), or Northern Kurdish is the most widespread of the Kurdish languages. It is the only Kurdish dialect which is spoken and written in all four areas which are vastly populated by Kurds; Turkey, Iran, Iraq and Syria.

This extension keyboard helps you to type in Kurmanji dialect of Kurdish which is based on Latin letters. Please add Kurmanji keyboard by navigating to
Settings -> General -> Keyboard -> Keyboards -> Add new keyboard ... -> Kurmanji

The hosting app contains a text box for you to test the keyboard :)