Users appreciate the "If Menu" plugin for its simplicity, ease of use, and ability to control menu item visibility based on various conditions, such as user roles and login status. It is praised for its straightforward installation and effectiveness in managing menus in different scenarios, including eCommerce and membership sites. Users also value the capability to add custom rules with example code provided in the FAQ. However, many users are frustrated with the lack of updates, leading to compatibility issues with newer WordPress versions. There are also significant complaints regarding poor technical support, obsolescent code, and features not working as advertised, resulting in wasted time and money. Issues with device recognition and plugin conflicts with other menu-related plugins are also noted. Additionally, some users raised concerns about privacy violations due to external calls made by the plugin.