By upgrading your plan you get access to a lot of awesome features! You can use our dashboard to upgrade or downgrade your plan anytime. If you have any problem becoming Premium, please contact support@cleverecommerce.com.You should know that you can upgrade your plan only once you have installed our app and after we have created your campaigns. You will get an email notifying you that your campaigns are ready and uploaded on your Google Ads account. After that, you can become a Premium user whenever you desire!
More info about Clever ecommerce pricing plans