The I-pod touch has a touch screen.
Storage capacity is the only difference.
an Itouch has a touch screen and a ipod does
The ipod touch and the ipad are the same except the ipad is bigger than the ipod.
Apple has not yet release and iPod Touch 5th Generation. The latest addition to the iPod Touch was a White coloured model.
Memory capacity. Software capabilities .
PDA is where you are physically touching someone and an ipod touch is a device where you can listen to music
Ipod touch is bigger (in physcial size), is newer so it has more features, and it is just one big touch screen.
the 2gen has an internal speaker. and volume buttons. and its a tad thinner.
4th generation is more updated and advanced
they are different brands
You need to buy them off the internet on the iPod Touch.