We've purchased a single user licensed version of CK Editor 4.1. It is working fine in desktop browsers but there is an issue with iPad 3G. Only a text area is displayed and the formatting options are being disabled.
Kindly get us a better solution for iPad version
Screenshot attached for your reference.

Hi,
Hi,
as an owner of a commercial license you are entitled to use the dedicated support channel. Use your support token to contact Customer Support, they will be happy to assist you.
Additionally, if you feel there is a bug in CKEditor, you are always encouraged to report it on our Development site. Use the "iOS" keyword for all iPad issues.
Documentation Manager, CKSource
See CKEditor 5 docs, CKEditor 4 docs, CKEditor 3 docs, CKFinder 3 docs, CKFinder 2 docs for help.
Visit the new CKEditor SDK for samples showcasing editor features to try out and download!