When comparing Consulo vs MonoDevelop, the Slant community recommends MonoDevelop for most people. In the question“What are the best third-party IDEs for Unity?” MonoDevelop is ranked 6th while Consulo is ranked 8th. The most important reason people chose MonoDevelop is:
MonoDevelop is free to download and use.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Supports multiple languages
Supports Java, javascript, python, php, haxe etc.
Pro Unity integrations
Supports Refactoring of Class/Variable Names. Also shows which scenes/prefabs a script is used in.
Pro Based on IntelliJ
There are a lot of plugins and learning resources available as it is based on Jet Brains IntelliJ IDE.
Pro Multiplatform
Pro Free
MonoDevelop is free to download and use.
Pro Starting up this program doesn't take as long as starting Visual Studio windows 98
Cons
Con No longer supported (deprecated since 2018)
Starting with version 4.x, Xamarin rebranded MonoDevelop as Xamarin Studio, but only for the Windows version of the IDE.
Stable release
7.6.9.22 / September 21, 2018
Con Bad formatting
MonoDevelop doesn't offer much in terms of autocompletion and code formatting. Most of the time the automatic formatting that MonoDevelop does is annoying and not really compliant with C# guidelines.
Con The MonoDevelop version that ships with Unity is several versions behind
The version of MonoDevelop that ships with Unity is several versions behind the main MonoDevelop branch. It also gets updated very rarely so any annoying bugs that it may have take a lot of time to get fixed.
