MarketingProfs shows how to use QR codes properly in order to take your marketing to the next level. Check out our sample of the 10 best and worst examples.

Use the built-in camera app on your Android device to scan a quick response (QR) code, or use a code scanner on older models.

Best iPhone QR Code Reader App The free Quick Scan – QR Code Reader is a full-featured app that can read QR codes out in the world and from images in your photo roll.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have.

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

Some developers would lead you to believe you need to download their app to scan QR codes. Spoiler: Your phone can do that with built-in features.