When you run out of credits or click on a premium feature, you will be prompted to upgrade your subscription to a higher plan. You can also follow the steps below to purchase a subscription.
Go to wondercraft.ai/studio and click on My workspace in the bottom left corner.
Press Settings.
Under Billing & Plan, click on Change plan.
Please choose the plan and click on Upgrade to...
You'll be redirected to Stripe, where you'll be able to complete a subscription purchase.