Can I install the joyn app on my Windows Phone? Thaïs Updated April 07, 2018 06:38 Follow Our app is only available for iOS and Android devices. If this were to change in the future, we'll let you now! Related articles I can't see my Qustomer points in my new joyn account? Can customers enjoy a joyn loyalty card without using an email address? Can I link a new card to an existing account? Will the original card remain active if I do? As a user, can I save points at a participating merchant when paying with Payconiq? I have two different accounts and would like to gather all my points in one single account. What should I do? Comments 0 comments Please sign in to leave a comment.