Coding KB is a productivity keyboard aimed at developers. It has been designed to speed up coding in Swift & HTML (other languages to come).
CodeBoard Alternatives
CodeBoard is described as 'Coding on your mobile device just got easier. No more switching between numbers, symbols and alphabets' and is a Mobile Keyboard in the os & utilities category. There are more than 10 alternatives to CodeBoard for a variety of platforms, including Android, Android Tablet, F-Droid, iPhone and iPad apps. The best CodeBoard alternative is FlorisBoard, which is both free and Open Source. Other great apps like CodeBoard are AnySoftKeyboard, Gboard, Unexpected Keyboard and Hacker's Keyboard.