Thanks for reaching out to us here. QuickBooks is designed to help you streamline your accounting. It's important you're able to use the app on the iPad. Don't worry, I'll be happy to share more info so you're on the right track.
To get started, I recommend uninstalling and reinstalling the app. This is a good way to troubleshoot bugs that affect the app. By reinstalling it, this ensures you're on the latest version of the mobile app. You can visit these links to reinstall the QBO mobile app:
iPhone, iPad, and Apple Watch apps are via the iTunes App Store.