Classically, because the terminal is a grid of equally sized characters, only a single text size was supported in terminals, with one minor exception, some characters were allowed to be rendered in...
with kitty you can open a new terminal session that sets it’s cwd to the remote directory of the server you’re ssh’d into. Honestly the only thing I can think of that termux can do that kitty can’t is saving sessions
Kitty has multiplexing built in so it can also replace a lot of what tmux does (unless you’re using tmux over ssh)
That exception is my primary use case for tmux, so that explains it.
with kitty you can open a new terminal session that sets it’s cwd to the remote directory of the server you’re ssh’d into. Honestly the only thing I can think of that termux can do that kitty can’t is saving sessions