I understand this to say a minor who is either without a Canadian parent, or without a parent who is concurrently applying for citizenship, can only apply on paper. Therefore, a parent who is applying for citizenship online can at the same time apply for a child online.No see below
Who can apply online as a family or a group
You can apply online as a family or a group if you’re
A minor without a Canadian parent or a parent who’s applying for citizenship at the same time can apply only on paper for now.
- an adult (18 or older) applying with other adults
- a parent or legal guardian applying for a minor (under 18)