San Francisco ? Apple Inc. said Tuesday it has expanded its iPhone and iPod touch product lines by adding new devices that double the memory of earlier models.

Apple unveiled a new 16-gigabyte iPhone that will cost $499 and will join the company’s current 8GB model that remains with a $399 price tag. The new iPod touch will come with 32GB of memory and cost $499.

Apple already has two models of the iPod touch: a 16GB device for $399 and an 8GB version for $299.

The devices will also come with new applications for online maps, clips from Web sites and the new iTunes movie rentals that allow the devices to rent and download films from the iTunes store.

The new devices are available immediately from Apple, and the iPhone can also be purchased through AT&T Inc.