When comparing Krunner vs dmenu, the Slant community recommends dmenu for most people. In the question“What are the best app launchers for UNIX-like systems?” dmenu is ranked 4th while Krunner is ranked 8th. The most important reason people chose dmenu is:
Programmed in smart way: less code is more usability and solid.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Opens folders/files also
Just by typing name of file or folder, it will give recommendations
Pro Extensible with plugins
Krunner can be extended with the use of "runners" which are essentially plugins for the app launcher to allow for extra functions.
Pro Fast
As it is written in Qt QtQuick using QML.
Pro Lots of handy features
Such as a fully featured calculator, file opening, browser functions, currency conversion, date/time functions, etc.
Pro Great integration with Plasma, developed by KDE
Pro Can be used to open websites
By just typing an URL into the text box users can have the site open in their default launcher.
Pro I'm able to find open tabs from browsers with KRunner which is very nice
Even supports edge browser.
Pro Highly usable in scripting, piping.
Programmed in smart way: less code is more usability and solid.