Field Hide App helps to hide custom field based on simple rules without writing any script and JIRA configuration. User does not need to edit the existing field configuration. It hides the custom fields on create, edit and view screen based on published rule.
Login as JIRA administrator. Go to -> Administration -> Manage apps -> Find new apps
Search “Field Hide“ and click “Install“
Users can not publish more than 2 rules to hide custom fields. Please buy the “Field Hide” plugin to publish unlimited rules.