Whether you relish in the holiday shopping season or dread it, your smartphone can be an instrumental tool for finding and purchasing gifts for your loved ones. A useful app (or two) can go a long way toward saving you time and money. Many of them even integrate bar code scanners these days, so all you need to do to comparison shop is take a quick pic of a product's packaging.
In the gallery below, you'll find a selection of apps for devices running iOS, Android, and BlackBerry--all free, of course. Sadly, though Windows Phone 7 does have some cool-looking apps in the works, we could find none available at press time.