When comparing Codelearn vs Codewars, the Slant community recommends Codewars for most people. In the question“What are the best websites to learn to code?” Codewars is ranked 15th while Codelearn is ranked 50th. The most important reason people chose Codewars is:
Algorithms, OOP, functional programming, you name it - there's a challenge class for it and in just about every language.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Runs in the browser
Since setting up the development environment can be difficult for a beginner, Codelearn provides a complete Rails environment on the browser ("Codelearn Playground").
Pro Challenges cover all areas of programming
Algorithms, OOP, functional programming, you name it - there's a challenge class for it and in just about every language.
Pro Submit your own challenges
If you think you have a good idea for a challenge that could be added to the dojo then go add it and get feedback.
Pro Multi-language support
Users can complete code challenges in over 12 different languages.
Pro Learning gamification
Get points and increase your level by completing coding challenges.
Pro Free
Codewars is completely free to use.
Cons
Con Requires some knowledge of linux
The Playground emulates a linux environment, so it's best to have some experience with linux or you may find yourself lost.
Con Require some coding knowledge
You require some coding knowledge to get an account with code wars. The topics are limited