As this article by the NYTimes points out, much of it depends on which applications are in use at the time. And thanks to apps which can help potential customers get the best price possible on goods, using the right combination of applications can help consumers save big.
Bundle this kind of price comparison functionality along with someone who is able to sort out the value from the noise and you may have a winner. Clearly, the iPhone can be a worthwhile companion device this holiday season. Just remember that not every app is best for every shopping situation.