Support for the iPhone and iPad versions of the Inuktut Naqittautit and Kiputtijjut keyboards is now part of the "Keyman" keyboard app. The keyman website is here: https://keyman.com/ and the iphone/ipad app version is here: https://apps.apple.com/us/app/keyman/id933676545?ls=1
Inuktut Naqittautit is a keyboard app for iPhone and and iPad.
Kiputtijjut: A roman to syllabic conversion keyboard
Qaniujaaqpait: A standard syllabic keyboard
Qaliujaaqpait: A roman keyboard including the non-English keyboard required characters