Google review software pricing depends on whether you pay for only a link or for a full process: QR codes, campaigns, rewards, locations, and analytics.
A free link is fine at the beginning. A paid system makes sense when reviews affect local SEO, trust, and customer acquisition.
What you actually pay for
The value is not the QR code itself. The value is the repeatable process and the data that help improve results.
Good software saves team time and increases the chance that happy customers actually leave a review.
When the cost pays back
If a new review helps win more customers from Google Maps, the system can pay back quickly.
This is easiest to see in businesses where local visibility directly affects bookings, visits, or orders.