Great, you're ready to upgrade your plan.
You'll have access to all features and be able to ensure you can run your post-purchase survey after all of your orders as they come in.
To upgrade, navigate to Account > Billing.
Decide what plan suites you based on the number of orders/month you expect. Click Choose Plan
You'll be taken to the approve your subscription:
If you use Shopify, you will see the Approve Subscription page. Click Approve.
If you use BigCommerce, you will be taken to a secure page to provide your credit card details, then click Start trial