QR codes pre-date iPhones by many years. App that I used to use on previous Android phones whose camera apps didn't read QR codes: https://play.google.com/store

QR codes pre-date iPhones by many years. App that I used to use on previous Android phones whose camera apps didn't read QR codes: https://play.google.com/store/apps/details?id=com.google.zxing.client.android https://play.google.com/store/apps/details?id=com.google.zxi... (It's open source so you can take a look at the source and then compile it yourself if you don't trust this page.)