How to Make QR Codes on iPhone or iPad. Barcodes—or in this case, QR codes—consist of basic black and white patterns that, ...

It's a very simple QR code scanner that requires no additional subscription or purchase of a product, although Trend Micro does have an excellent free online virus scanner that I would recommend.

If I have to pull out my mobile device to read QR codes, I want an app that’s fast, locks on, and scans codes quickly without any fuss. While there’s a plethora of QR code scanners on the App Store, ...