IMb Scanner is a free app that uses your phone/tablet camera to scan USPS Intelligent Mail Barcodes (IMb) on mail envelopes.

This app only reads IMb neither POSTNET nor any other kind of barcode. For reference of what IMb is: https://en.wikipedia.org/wiki/Intelligent_Mail_barcode.

Feel free to reach out to Solvoj LLC if you have doubts or find any issues. We would be glad to help you.