My A1 is a free Android application designed to streamline the management of mobile, internet, and TV services for A1 Bulgaria customers. With a refreshed design, it offers a range of functionalities including monitoring bills, making payments, and checking data and call usage. Users can easily activate roaming services and select the most suitable tariffs for their travels. The app also enables electronic signing of contracts and tracking of service requests for installations or technical issues.

In addition to these features, My A1 allows users to customize Wi-Fi settings, manage credit limits, and explore special offers tailored to their needs. The application is compatible with Android devices running version 5.1 or higher and can be accessed via mobile or Wi-Fi networks. Users must register an owner profile to fully utilize the app, although limited management capabilities are available for users without full ownership.