HOW TO USE QRDIAN: 1) Scan any QR code with the QRdian app 2) An automatic security scan checks for threats, viruses, fraud, phishing, etc. on the information in the QR code* 3) Get your results - is the URL in the QR safe or not* The interface is really simple - once you get a safe URL, the app shows a button to navigate to that page; otherwise, it doesn't. And we recommend that you don't navigate to a URL that is not safe. If you have any ideas or questions, please email us using the contact form at https://qrdian.ntsratio.com/contact *HIGHER SCANNING TIERS REQUIRE A SUBSCRIPTION. WE DO NOT GUARANTEE ACCURACY ON THE FREE VERSION. ONLY HIGHER TIERS HAVE GUARANTEES. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/