It's time for the release train to finally leave the station. Developers have spent weeks working on new features and functionality, and now they're releasing their mobile app to thousands of devices. The process can be stressful, but being proactive in detecting errors by responding to issues quickly and putting out fires before they spread is crucial. Before the release, testing for all types of devices, screen sizes, and operating systems helps identify critical bugs and usability issues. Measuring app performance with an Apdex score provides a comprehensive way to assess overall performance and user experience. Debugging tools like Android Studio and TestFlight allow developers to test their apps in various stages before releasing them to the public. A staged rollout strategy releases new versions of the app to a small portion of users, allowing for monitoring and fixing errors before shipping the product to everyone. Continuous app monitoring throughout the release management process is essential for maintaining a high-quality app and better user experience, reducing downtime, faster issue resolution, increased security, and more time available to dedicate to developing new features. Even after the release, monitoring helps detect issues and their root causes quickly, allowing developers to follow user journeys, identify errors, and resolve them efficiently.