Every plate has a printed QR code as a fallback — they just open their camera and scan it instead. Either path lands them on the same review page.

No. The plate is programmed once before it ships and works on its own from there. There's nothing to log into and nothing billed monthly.

Yes — the 3M backing holds firmly but the plate isn't glued permanently. It can be repositioned onto a new flat surface if you move counters or locations.

Send through your new review link and it gets reprogrammed at no charge — the chip is rewritable.