Does an offset account earn interest?
All ubank accounts can offset your variable rate Flex home loan. Offset accounts don’t earn interest.
If you swap your Save account to be an offset account mid-month, you will receive the base rate up until the date your Save account becomes an offset account but you will forfeit all bonus interest for that month. Your other option is to wait until the first day of the next month to swap your Save account to be an offset account.