How many devices can I add to my Cookidoo® account? You can register up to five devices with your Cookidoo® account, e.g. three Cook-Keys® and two TM6 appliances. Related articles Can I connect several Cookidoo® accounts to my TM6™? How many recipes/times can I cook with my TM6 once my Cookidoo® membership expires? How much is the annual Cookidoo® Membership? Do I need to be registered with Cookidoo® in order to use the TM6? My TM6 says it is connected to another Cookidoo® account. How do I fix this?