Official Machinga App is a mobile application developed by Tanzania Revenue Authority TRA, designed to provide a hassle-free way to obtain business identification for small-scale traders. The app is available on Android platform and can be downloaded for free.

The app offers a user-friendly interface that simplifies the process of getting a business identification number (BIN) for traders. With this app, traders can easily apply for and receive their BIN, eliminating the need for in-person visits to TRA offices. Additionally, the app provides informative guides on tax payment procedures and tax laws, which help traders understand their tax obligations better.