When there is an update for Kodi from the official Kodi team. We will publish on KTB, and you can install from there.
All available versions of Kodi app are listed on their official website:
http://mirrors.kodi.tv/
Category: Uncategorized
Can I install other stuff on my Apple TV , iPhone and iPad?
Yes
We have other Apple TV apps besides KODI, you can install all available apps on the unified installation page: