If you're looking for a reliable and user-friendly e-invoice verifier, look no further than e-Invoice Verification by J Developers. This Android-based app is the perfect solution for individuals and businesses who want to scan QR codes and verify the details of their e-invoices.

With this app, you can easily upload your e-invoice JSON file and verify it. The app allows you to view all the details of your uploaded JSON and even gives you the option to take a printout, save it as a PDF, or share it with others. The app is compatible with Android 4.1 and up and is completely free to use.

Overall, this is a comprehensive and reliable solution that simplifies the process of verifying e-invoices. Whether you're an individual or a business owner, this app is worth a try.