To cancel your Sumdog family membership: Log in to Sumdog with your parent account Click the 'Family' panel and choose 'membership'. WARNING: iPad 1, iPhones 4, 3, 2 and 1 and iPod touch are not supported. Millions of students worldwide play Sumdog's multiplayer games. How do I add just one student to Sumdog? How can I change multiple students' login details? How can I change one student's username and password?. Can I edit an activity after it has been completed? Your cancellation will take effect immediately, but there won't be any refund for the time between the cancellation and the next billing date so it's best to cancel just before cluedo play online next billing date. How do I decorate my Sumdog house? How can I see how much time my students spend on Sumdog? Sumdog wants me to enable cookies - but I've already done this See all 7 articles iPad and Android apps How can I download Sumdog's Android app?