Evernote for iPhone
I mentioned on Twitter that the app I was most disappointed not to find in the initial App Store selection was a good, simple notes app with web-backed storage or synching to the desktop of some sort. A slew of people asked me what was wrong with Evernote. I’d say pretty much everything.
On the left, the editing UI for a new note. That's me typing "This UI is horrible". On the right, that's what you see after saving the note and then opening it to read. Yes, you can two-finger zoom to actually read it, but you can't actually edit the note again. You can't even edit the title or the tags. Useless.