Do I need to open both a Youthsaver account and a Kit account to receive the $20 bonus? When do I need to do this by?

Yes. To be eligible, you must have both a Kit account and a CommBank Youthsaver account, and link each eligible Youthsaver account to the corresponding Kit child profile in the Kit app. To link a Youthsaver to Kit, you must be an Authorised Operator on the account. 

You need to complete all eligibility criteria between 9 April and 31 May 2026 (inclusive).