How do I sign up for Quibi? April 29, 2020 00:40 Updated Follow You can download the Quibi app from your device's app store! Once you've downloaded the app, you can sign up for your account, and free trial if eligible, through the app. Related articles How much does Quibi cost? How can I watch Quibi? What is Quibi? Can I be logged in on multiple devices? Is there a free trial?