Thanks for connecting with us here. QuickBooks is designed to be an easy-to-use program. It's vital you're able to use the app without running into issues. Rest assured, I'll be happy to help so you're on the right track.
Based on what you've described, I highly recommend uninstalling and reinstalling the app. This is a great way to troubleshoot issues that may be affecting the app. By reinstalling the app, this ensures you're on the latest version of the mobile app. In case this issue persists, I encourage you to contact our support team so they can assist you further with this. Here are our contact details:
Schedule a Callback or start a Chat: click(?) in the upper right in QuickBooks Online > enter "Contact support" > choose Contact Us > provide a brief summary > select Let's Talk > choose Get a callbackor Start a Chat.