The iPod line of devices started the range of i products for the company, which went on to include the immensely popular iPhone range of devices. was only known for its Mac desktop computers. In fact, it is the iPod line that put Apple on the map of portable consumer devices. IPod Touch and iPod Nano are two different products manufactured by the company, Apple Inc.
It can be said that the iPod Nano is a scaled down version of the iPod Touch with limited functions. In comparison, the iPod Nano cannot nearly do so much. The device can be used as a music and video player, digital camera, handheld game device, and personal digital assistant (PDA), but cannot make calls. Key Difference: The iPod Touch has often been referred to an iPhone without the Phone.