Deineko, Zh.Sotnik, S.Lyashenko, V.2022-07-302022-07-302022Deineko Zh., Sotnik S., Lyashenko V. Usage and Application Prospects QR Codes // International Journal of Engineering and Information Systems (IJEAIS). – 2022. – Vol. 6(7). – P. 40-48.ISSN: 2643-640Xhttps://openarchive.nure.ua/handle/document/20809The 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 wit h 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.enQR codereaderArticle