Support
A table it can't read, a wrong cell, an idea — every email gets an answer: wiktortendera@gmail.com. Sending the photo helps (only if you're comfortable sharing it).
Questions
How do I restore my purchase?
Open Settings in QuickScan and tap Restore Purchases, signed in with the Apple ID you bought it with.
How do I get the best results?
Shoot straight on, in good light, with only the table in the frame. Screenshots work best of all.