International Journal of Engineering and Information Systems (IJEAIS)   Year: 2022 | Volume: 6 | Issue: 7 | Page No.: 40-48 Usage and Application Prospects QR Codes Download PDF Zhanna Deineko, Svitlana Sotnik, Vyacheslav Lyashenko Abstract: The paper considers 6 types of QR codes and real examples of their application, as a result, diagram visualizing the general statistics of the use of QR codes in 4 most promising areas is presented. This article is an overview of QR codes with their characteristics and versions. The article briefly presents applications for Android and devices for access control with ability to read barcodes, analyzing their functions and formats.