There are a number of contributed modules for making menus responsive (i.e. for responding to being on a mobile device by changing size, shape or form), and this page summarizes these different modules.

Beware, they all have very similar names!

The table below is sorted by most recent supported version, which often acts as a useful proxy for determining the most likely module to be best for your needs, particularly when developing for Drupal 8/9, as D7 installs often misrepresent the popularity of D8/9 modules.

Name	7.x	8.x	9.x	Reported installs	Last released
Responsive Menu				9,504	29 October 2020
Superfish				101,806	25 May 2020
Responsive Menus		(alpha)	(alpha)	38,752	8 May 2021
Mobile Navigation		(dev)	(dev)	1,667	14 March 2014
Mobile sliding menu		(dev)	(dev)	3,551	6 May 2015
Responsive Navigation				904	28 May 2013