If you are a power user who lives in the Terminal, the official works perfectly fine. However, if you are looking for a "Right-Click > Extract" experience, the official download will leave you frustrated.
On Windows, WinRAR is a full application with a user interface where you can drag and drop files, click buttons to extract, and browse archives. On Mac, the official version provided by RARLAB is strictly a . winrar mac os x
Are you comfortable using the , or would you prefer a standard app with a window and buttons? If you are a power user who lives
: A premium option for "power users" who miss WinRAR's advanced features. the official works perfectly fine. However