Atom is not available for iPad but there are a few alternatives with similar functionality. The best iPad alternative is Runestone, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 100 alternatives to Atom, but unfortunately only two of them are available for iPad. If you can't find an alternative you can try to remove all filters.
Atom alternatives are mainly Text Editors but may also be Code Editors or IDEs. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Atom.