Hello there, RobRich.

Yes, the QuickBooks Online app is free. Make sure it has the same login credentials with your paid one. A new account might've been created when you downloaded the mobile app.

To learn more about managing your QuickBooks mobile app , consider checking out these articles: 

• Compare mobile app features
• QuickBooks Online app overview

Let me know if you have other concerns about the QuickBooks Online app. I'll keep this window open. Thanks for dropping by!

@RobRich 

Make sure you purchase it directly to Intuit, not through PlayStore/AppStore.

https://quickbooks.grsm.io/UK

Hi TirzahC

Thanks for your reply which is most helpful

Glad to know we're able to provide the solution that you're looking for, jdrichardson.

If you need additional help in managing your QuickBooks Online account, please let us know. We're always here to help you out.

I've also added our Get started with QuickBooks article for future reference. There, you can follow a few simple steps to get our most essential, time-saving features set up.

Have a great day ahead!