Reflecting the availability and the falling costs of memory chips, Apple introduced a 16-GB iPhone and a 32-GB iPod touch on Tuesday, however maintained the same price points as the previous iteration of the products.

For some users, there's never enough memory, said Apple VP Greg Joswiak Now people can enjoy even more of their music, photos and videos on the most revolutionary mobile phone and best Wi-Fi mobile device in the world.

The new devices join the 8-GB iPhone and 8- and 16- GB iPod touch models. The price structure stands as follows:

• 16-GB iPhone: $499

• 8-GB iPhone: $399

• 32-GB iPod touch: $499

• 16-GB iPod touch: $399

• 8-GB iPod touch: $299

The 32-GB iPod touch is available immediately worldwide. The 16-GB iPhone is available through Apple Stores and AT&T in the United States.

Apple declined to comment on international availability.