Visual Studio App Center is retiring, and developers need to migrate to new tools. Sentry is a recommended alternative for crash reporting, performance monitoring, and error tracking, offering cross-platform support, comprehensive crash reporting, and performance monitoring. It provides seamless integrations with popular mobile frameworks such as React Native/Expo, .NET MAUI, Flutter, Android, and iOS. The guide provides step-by-step instructions on migrating from App Center to Sentry, including setting up the SDK, configuring it for crash reporting and performance monitoring, and verifying its functionality. With Sentry's easy setup, transparent pricing, and powerful tools, developers can ensure their app's health and deliver exceptional user experiences long after App Center's retirement.