With the retirement of Microsoft's Visual Studio App Center, developers are looking for robust alternatives that match its functionality. Enter Bitrise, a Mobile DevOps solution that offers a comprehensive upgrade for mobile app development needs. Bitrise provides similar functionalities to App Center, such as Release Management and public install pages, alongside a user-friendly interface, extensive iOS and Android app development support, over 400 ready-to-use build tasks, and a mobile-focused toolset designed specifically for mobile app development challenges. Key features include OTA app deployment with simplified distribution, platform-specific steps, automatically registering iOS test devices, and a centralized page for installable artifacts. Release Management benefits include one centralized app for release processes, eliminating store confusion, freeing up dev time and boosting productivity, and providing crystal clear release ops. To migrate to Bitrise, developers can follow a step-by-step guide that covers setting up their account, adding an app, utilizing webhooks and triggers, managing builds and workflows, connecting to code repositories, configuring CI/CD Pipelines, optimizing workflows for better performance, and leveraging Bitrise's mobile-first approach. With its comprehensive upgrade, Bitrise offers a significant improvement over App Center, making it an attractive choice for developers looking to enhance their mobile app development process.