Loopware has released iFlash Touch 1.0
(http://www.loopware.com/iflashtouch/), the free companion iPhone app
for iFlash on the Mac (http://www.loopware.com/iflash/), which cost

iFlash for Mac is a flash card studying program that lets you create
card decks on any subject, and then study them back using your Mac.
Now, with the release of iFlash Touch, those same decks can be
exported to your iPhone or iPod touch for studying on the go.

iFlash Touch supports the key features of iFlash for Mac (like
infinite card sides, simple memorization, and categories) while
providing a simple interface.