iPhone Users - Most used App

[cerealspiller]

I want to know what kind of apps everyone uses the most on their iPhone. And heck, if you've got one app that just bugs you to death, gripe about it hear as well. Oh, and the standard iPhone programs dont count such as safari or mail.

I'll go First-

Wow, didn't think this would be such a hard question until I tried answering it myself.
Most played game - UniWar (Just waiting for that multiplayer)
Most used App - Spreadsheet (Using it to set myself a spending budget)

[bkmikeyxd]

racing live, or AIM, or epic pet wars. or installous.

[bwilliemitch]

I think I use my facebook app the most; although text twist is in a tight second.