Hi there, @sracct5618.
Welcome to the QuickBooks Community! Yes, you can also pay your subscription with a debit card. As long as it’s MasterCard, Visa, Discover Card, or American Express.
I also attach this article with video to help you to manage your QBO account: How to Get Started in QuickBooks Online.
I’ll be here to assist you if you have further concerns. I can’t wait you to be a part of the QBO family! Take care!