I have to admit that I have been always skeptical about barcode applications that are available in iTunes. There are too many of them around but until recently, you count the good ones with one hand. Thankfully, a few developers have gotten it right, so you can scan barcodes right on your iPhone. I have to say barcode apps do make shopping more fun. All in all, if you are looking for barcode iPhone apps that work, here are 5 apps you should try:

RedLaser: the best premium barcode scanner app for iPhone. Scans UPC, EAN, and UPC-E barcodes and lets you compare prices using Google Products and Amazon.

FoodScanner: a great tool for those who watch their diet closely. Lets you scan UPC barcodes on the foods you eat and lets you know how much calorie you are taking in.

pic2shop: the best free barcode application for iPhone. It’s a very innovative app that reads barcodes live using your video camera on your iPhone 3G.

Quickmark: a very easy to use barcode reader for iPhone that understands lots of different barcode formats.

Cardstar: a cool free barcode scanner that could come in handy stores. It’s a useful for storing your store cards info and rewards.

What’s your favorite barcode application for iPhone?