Apple iOS/tvOS
There are two apps you can use to connect to jellyfin servers on iOS and Apple TV: Jellyfin (official, iPhone only) and Swiftfin (iPhone/AppleTV). Swiftfin is considered better and has greater codec support. You should use Swiftfin to watch Nateflix on iPhone, iPad, or Apple TV
https://apps.apple.com/us/app/swiftfin/id1604098728
Another option is Infuse (for Mac, iOS, and AppleTV), see the Infuse page.
When launching either app for the first time add a new server with this address:
https://jellyfin.codejank.caWhen Swiftfin first opens it fills in “http://”:

It needs to be changed to “https://”:

It looks like this on iPhone:
