You have received an invitation to download a QuickSeries app with Testflight. This will allow you to download your QuickSeries application and receive update notifications for your QuickSeries app.
Once you receive the invitation email from QuickSeries Publishing, you will be prompted to install the free TestFlight app from the App Store on your iPhone, iPad, iPod touch, or Apple TV if you don’t already have it installed.
Once Testflight is installed on your device, you can install the QuickSeries test app in two ways: