You can pay via credit card during the Submit step of the app building process, or we can send you an invoice if you need to pay via bank transfer.
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Check here for the details on how to renew your app.
Check here for the details on how to update the App Store info for your branded app.
If you have any questions about this or didn't find an answer, please contact our support team via chat on any Attendify webpage or send an email at email@example.com