QRCode Barcode is a free iPhone app developed by Climb App that allows you to scan and create QR Codes and barcodes of various types. The app supports autofocus and manual focus with tap for quick scanning. You can open Safari, call phone, send email, register contact from QR Code and barcode, copy as text, post to Twitter and Facebook with scanned text, and even scan QR Code from a photo.

QRCode Barcode also allows you to create QR Code from contact on your iPhone. When an email address or phone number has changed, QR Code will re-create automatically. You can also create QR Code from your own text like URL or message, and send email, save as an image to photo library, and print it. Created QR Codes can be shown on Apple Watch.

The app also supports DynamicType and URL Scheme. The option setting allows you to continuously scan and change scan sound. The app is very user-friendly and the interface is easy to navigate. If you have any feature requests or translation requests, you can contact the developer from within the app. Overall, QRCode Barcode is a useful app for anyone looking to scan or create QR Codes and barcodes on their iPhone.