IRS Transcript can update as many times a day. Where's my refund only updates once a day. Also IRS Transcript is live, so if the IRS is working on your tax return it will reflect same time same day. Like last year my tax return didn't update on where's my refund. Not until I got my refund deposited to my bank account. On my my IRS Transcript it did update at all time. Hope this helps.
