When comparing Plunker vs StackBlitz, the Slant community recommends StackBlitz for most people. In the question“What are the best web development playgrounds?” StackBlitz is ranked 5th while Plunker is ranked 9th. The most important reason people chose StackBlitz is:
Which is a feature not available in Plunker.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Test actual HTML files
You can sandbox your actual html files with a head section, script tags, etc.
Pro Fill size preview
Can open in a fill-sized web page like preview.
Pro Multiple files and file structure
You can simulate actual website structure allowing you to sandbox multiple file situations such as Angular rather than just a single concept such as "how do I make this div work better."
Pro TypeScript autocompletion
Which is a feature not available in Plunker.
Pro Very similar environment as Visual Code editor
Pro Fast
It feels much faster than Plunker for Angular 4 code.
Pro adding dependencies
Cons
Con Outdated and confusing UI
Con Codesandbox is better
There is now codesandbox which is better.
Con Nice UI
Looks great and makes it more enjoyable to work with.