Mobile app quality is defined by its fitness for intended use, influenced by factors such as performance, stability, testing, and usability, all of which affect the user experience. High-quality apps are characterized by fast loading times, stable operation without frequent crashes or errors, efficient resource usage, and user-friendly interfaces. Users are increasingly discerning, often choosing apps based on these quality indicators amidst numerous alternatives. Poor app quality can lead to negative business impacts, such as reduced revenue, higher customer acquisition costs, and damage to brand reputation. To assess and improve app quality, tools like Luciq offer performance monitoring, bug and crash reporting, in-app surveys, and session replay capabilities, enabling developers to enhance user satisfaction by addressing issues efficiently and gathering valuable user feedback. The document emphasizes the importance of maintaining app quality to meet industry benchmarks, such as ensuring apps respond within two seconds and maintaining a high crash-free rate, to avoid adverse consequences on user retention and business success.