Upgrading your Subscription Plan
Go to the "Account" page clicking on the button visible on the top main menu or clicking on the following link https://asktoai.com/app/account, then click on the "Manage Subscription" link
Once on the Stripe portal, click on the Update Plan button:
Select Monthly or Yearly as per your need:
Then select the plan you want to upgrade / downgrade to and click the "Continue" button: