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, ...

Recommended apps include “QR Code Reader,” “Lightning QR Scanner,” and “QR & Barcode Scanner (Plus).” Inadequate lighting, ...

Choose a trusted app like QR & Barcode Scanner or QR Code Reader from your app store. Import the Screenshot: Open the app and look for an option to scan from the gallery. Select your screenshot ...

The first time you scan a QR code you'll need to enable the feature in the app's Settings menu. After that, you can skip this step and simply launch the QR reader. 1. Start the Samsung Internet app.