A review link depends on follow-up behavior. That means delay. Delay means drop-off.
A Google review card depends on presence. It’s there when the customer is already present and satisfied.
That’s why google review cards for business almost always convert better than sending links later.
A nfc google review card takes the advantage further because tapping is faster than clicking a link, especially when people are busy.
If you want higher conversion, don’t move the request to “later.” Bring it to “now” — quietly.