You can use ConfigCat by subscribing with an email address which is free forever. Additionally, we offer three more plans with fewer limitations and more additional features. For a detailed comparison check out the pricing table.
If you have any questions, don't hesitate to contact us.
If you select to upgrade your current plan, we are taking you to a third party provider called Chargebee. After completing the purchase, you are taken back to your newly upgraded ConfigCat account.