This feature is coming very soon!
It is now referenced in QBO's blog:
QuickBooks Cash is now QuickBooks Checking: The business bank account for fast payments, high-yield ...
Mobile Check Deposit: Mobile check deposit⁹ gives small businesses the ability to accept checks from customers or vendors and deposit those funds into their account seamlessly. Mobile check deposit will begin rolling out to eligible QuickBooks Checking customers in the coming weeks.
