TimeTree 4 is a comprehensive public knowledge-base dedicated to providing information on the evolutionary timescale of life. This educational application facilitates easy exploration of thousands of divergence times among organisms from scientific literature. Utilizing a tree-based system, TimeTree 4 identifies and presents published molecular time estimates related to the divergence of selected organisms, allowing users to compute summary statistics effortlessly. By entering the names of two taxa into the search window, users can access results displayed on user-friendly tabs.

Containing data from 2,274 studies and 50,632 species, TimeTree 4 is a valuable resource that will continue to expand with additional data from researchers. This application is compatible with iOS 8.0 and newer, ensuring accessibility to a wide range of users.