What is the xxd package in Linux?

Also, how do I obtain it using apt-get? I'm trying to ssh into my iPhone to modify a specific hex portion of that game. Basically, make "money" cost nearly nothing. What's the package?

Ir's in the vim-common package in Ubuntu and Debian, and is usually installed by default as part of ubuntu-minimal on Ubuntu systems.

http://packages.debian.org/wheezy/amd64/vim-common/filelist
http://packages.ubuntu.com/precise/amd64/vim-common/filelist