When comparing CodeRunner vs Code::Blocks, the Slant community recommends Code::Blocks for most people. In the question“What are the best C++ IDEs?” Code::Blocks is ranked 4th while CodeRunner is ranked 9th.
Ranked in these QuestionsQuestion Ranking
Pro Fast and efficient
You can have multiple tabs open with multiple languages in at the same time and Code Runner still performs excellently. Searching through code is always instant and executing code is fast.
Pro Supports many different languages
Code Runner comes preinstalled with over 20 languages built in, and it's super easy to run simple programs.
Pro Free/Libre/Open Source
Pro Cross platform
Code::Blocks is available for both Windows and Linux, allowing you to use the same IDE across both OSes if you use different machines.
Pro Easy to use
Easy to pick up, for example much easier to include libraries.
Pro Debugger multi-threading support
The debugger supports multi-threaded processes for faster debugging.
Pro Lets you choose the compiler
Code:Blocks lets the developer choose which compiler to use, giving you a higher level of control for on your development workflow.
Con Working with very very large projects
Code runner is fantastic for shorter projects, although it can handle very large projects. It stops code completion when the program gets to be several thousands of lines long.
Con It's hard to make the code readable
Due to the problems with indention, it's hard to make the code look nice.
Con Poor code completion
The code completion for Code::Blocks is rather poor compared to other IDEs