If you wish to upgrade your plan, you should follow the procedure below!!
Step 1: Login to your account on e-satisfaction’s dashboard
Step 2: Go under the section “e-shop Configuration → Billing Settings → Choose your plan”
Step 3: Move the bar above the table, choose your monthly customer experiences and then choose your new plan. Finally, and after selecting your customer experiences and your plan, you will see an overview of your upgrade and the cost difference between your previous plan and your upgraded plan. Click on complete your purchase and your upgrade will be immediately activated!!!
You can find more about the selection of the proper plan here.