Amazon has launched a new iOS app that you can use to do a little comparison shopping from the aisle of the local store. Not sure if Target, Best Buy, or your local grocery store has the best price on ...

Amazon quietly rolled out a price history feature in its app this year, giving shoppers a quick snapshot of how prices have fluctuated over time. It’s useful but limited. It doesn’t explain whether a ...

The Amazon Price Check app was an inevitability for the industry — smartphones eliminate information asymmetries on pricing and do so while the customer is in the store at the moment of the purchase ...