Zubie is a subscription service, Zubie needs to obtain your credit card information to ensure your Zubie service and account data are not interrupted at the end of your service. When you originally purchased (or received as gift) your Zubie Key, you received a device and access to a service plan that will begin when your Zubie Key is activated.
Your credit card will not be charged until the end of your current service plan. At the end of your service plan, Zubie will renew. You can modify your renewal options at any time by visiting my.zubie.co.