When comparing Erbix vs Codepen, the Slant community recommends Codepen for most people. In the question“What are the best cloud IDEs?” Codepen is ranked 17th while Erbix is ranked 32nd. The most important reason people chose Codepen is:
CodePen makes it really easy to export code as a zip or Github Gist.
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Pros
Pro Publish apps to the Erbix app store
Erbix allows you to easily publish your apps to the Erbix web app store.
Pro Easily export your pen
CodePen makes it really easy to export code as a zip or Github Gist.
Pro Real time output
Pro Lots of support for frameworks and preprocessors
CodePen has an impressive amount of support for preprocessors (such as Jade, Haml, Slim, Sass, Less, Stylus, Coffeescript and PostCSS). There is also plenty of frameworks and libraries to pick from (Foundation, Bootstrap, Angular, D3, Backbone, Ember etc.).
Pro Great display/profile page
The codepen profile page allows you to display all of your public pens, and control which order you want them to be viewed in. This is great for showing off your work to possible employers, other devs etc..
Pro Easily fork pens
To fork a pen only requires clicking one button, and you'll be able to modify the pen on your own account.
Pro Great community pens
You can search through other pens, either by keyword or popular, picked or recent.
Cons
Con Poor documentation
The documentation is poorly formatted and quite difficult to read. It's also not well-organized, so it's hard to find what you're looking for.
Con JavaScript only
Erbix is only for JavaScript.
Con No private pens with free account
There is an option on Codepen for private pens, however it requires upgrading to a Pro account ($9/month).