Same way with games I enjoy. I never tend to buy the "skins" or "cosmetics" unless one _really_ clicks with me.
You aren't spending $25 on video game shit, you're spending $25 on a fun skin to show your pals, or upgrades to help your friends beat some boss, or whatever
Once you get on that path, it can lead pretty normal people to some very dark places indeed
Maybe you've already found a decent app (or realised that your camera has a built-in scanner), but the confusingly-named Barcode Scanner (https://play.google.com/store/apps/details?id=com.google.zxi...) scans QR codes without fuss.
I’m on iOS, tried a few but they all wanted a subscription and were a terrible experience without it. So I wrote simplescan.vercel.app / https://github.com/mcintyre94/simplescan which does the job for me! Though Apple have broken using the camera when you save it to your Home Screen and open it as an app which is annoying.
Ah, that explains it! Your usecase explains it, but I'm reasonably assuming Android because recent iOS versions have it built-in.
As does Android, just open the Camera app and point to the code.