Use APKPure App
Get QR Code or Barcode Scanner and Generate old version APK for Android
You can Read QR Code and Barcode and You can also Create QR Code and Barcode.
With this App you can read QR Code Barcodes. QR Code can either create and save Standard Barcodes or Share. The App is 100% Free and No Disturbing Ads. The application will not take up space on your phone since it is very small in size.