Mobile app stability is crucial for success, as most users will abandon apps plagued by bugs and glitches, making stability a key challenge amidst the vast number of available apps. Stability is defined by how consistently an app performs without crashing, and is measured by the crash-free session rate, calculated as the percentage of sessions or users unaffected by crashes. To maintain and improve app stability, developers should consider factors like resource management, error handling, device compatibility, network issues, and comprehensive testing across various environments. Effective strategies include continuous testing of the entire app experience and utilizing advanced crash reporting tools to monitor and address stability issues in real-time. By aiming for high crash-free rates and benchmarking against industry standards, developers can enhance the reliability and user satisfaction of their apps.