Why might some users abandon a server-based application?

Users are likely to abandon a server-based application primarily due to poor performance and lengthy loading times because these factors directly impact the user experience. When an application is slow, it can lead to frustration and dissatisfaction, making users less inclined to continue using it. In a competitive market, users expect quick responses and seamless interactions; if they have to wait for a server to process requests or if the application consistently lags, they may seek alternatives that offer a more responsive experience.

The other options do present potential reasons for abandonment, such as high subscription costs, limited features, or complex user settings, but poor performance is often the most immediate and noticeable issue that drives users away. If an application does not perform well, it fundamentally undermines its value, regardless of the features offered or costs involved.