Visual Codes is a bit hard to describe. It basically makes it easy to turn a chunk of data (like a URL) into a QR code, and makes it easy to store and retrieve those codes. You can even use Siri to display your codes on your iPhone screen.

Here’s an example that might explain the value here:

You can use Visual Codes to create a QR code that connects to your home WiFi. You could print that QR code (Visual Codes knows how to print, too) and put it on the wall in your house. When someone comes to visit, they point their camera to the QR code poster (iOS knows how to interpret QR codes, knows this particular one is to connect to WiFi) and they are connected.

If you prefer a more private, controlled setting, you could ask Siri to bring up your home WiFi QR code, then have your guest point their camera to the QR code on your iPhone screen. Same result. No password changing hands, and they are in.

This is just one use case. Of many. And the app is FREE. Printing requires an in-app purchase of $1.99 that unlocks all additional features, but the free version is usable. No reason not to grab it. I think you’ll be glad you did.

Details on the Visual Codes web site.