I understand that your review covers the current versions but thought I'd point out a few things about the upcoming version of iSSH. Disclaimer: I'm a current user and active on the boards for it.
I pointed out the fingerprint problem within minutes of it getting released. That's been fixed in the version waiting for approval.
You can delete a session. It's just that the button on the far right is really fiddly. This is being worked on.
Non-default ports and the rotation problem are both being worked on.
"iPhone exposes your whereabouts and provides ways for others to track you without your knowledge."
Stallman has asserted on several occasions that you can be tracked through any cellphone. Even when it's turned off. He's not batshit insane. Not at all.