Scan is the fastest and most user-friendly qr reader and barcode scanner available. if your computer came with a built-in scanner, this would be it.. Lynkee is a barcode scanner app geared more towards the consumer than the inventory control or asset manager, but it is a simple and handy app with the ability to scan a variety of 1d and 2d barcodes, including datamatrix barcodes.. Description. download our barcode scanner sdk demonstration for your mobile ios device to see how the powerful cognex mobile barcode sdk can add new interactivity to your ios apps and enable a host of marketing, industry, and enterprise automatic identification and data capture (aidc) workflows..