If you subscribed but your credits did not appear, first make sure you are signed into the same Potentially account used to start the subscription.
If you subscribed through iOS or Android, check that you are signed into the correct Apple ID or Google account.
You can also try refreshing the app, signing out and signing back in, or checking your billing settings.
If your credits still do not appear, contact Potentially Support and include the email connected to your account, the platform where you subscribed, the charge date, and a screenshot of your receipt if available.