Qkr! update

Qkr! can track who is using a new version and have said the overwhelming majority of users have already been updated, so the number of impacted families should be very very small.   

If you still have any issues, there is always the website to offer as a backup to those with really old phones that may not be able to upgrade. 

https://qkr.mastercard.com/store/

Qkr! Payment by app

To download the Qkr! app just visit the App Store for iPhones or Google Play for Androids, search for Qkr! Here's a guide to help you out.