What do I do when transactions/bank cards are not updating in the app?Have tried refreshing, each card shows correctly but transactions don't change at all.

Good day, @lukemckellan2000. Thanks for sharing the steps you've performed to fix the issue. 

I'm happy to provide additional troubleshooting steps to help you update your bank transactions in QuickBooks Online (QBO).

First, let's clear the app data in your QuickBooks Online app. This will refresh the application and resolve any program-related issues. Here's how you can do it:

Android

1. Select the menu at the top right and choose Settings.
2. Then select Refresh Data and choose Yes.

iOS

1. Select the menu at the top right and then choose Help & Feedback.
2. Then select Refresh Data and Refresh.

If you're still getting the same results, I'd suggest uninstalling and reinstalling the app. 

I've provided an article as a resource for you to refer to when dealing with common issues in the QBO mobile app. It offers additional troubleshooting instructions for a specific error: Fix common errors in the QuickBooks Online mobile app for Android.

Additionally, you can check out another article that explains how to review downloaded bank and credit card transactions and categorize them correctly: Categorise and match online bank transactions in QuickBooks Online.
 

I'm here to offer continued support with your banking needs. I'll leave this conversation open for you to respond if you require further assistance.