What apps do you use to generate barcodes?

I need to generate and print barcodes for my items. Do you recommend any app?

There's a few options out there, bar codes are standard so no mater what you use it will work with a barcode reader. Most printers that prints barcodes comes witha software to help you with this you can also Google it and there's tons of options out there to help you achieve this. Here's the procedure to add a barcode to your item in Loyverse so when you scan it Loyverse will automatically add it:

https://help.loyverse.com/help/how-add-barcodes-items

Hope this helped.