I have absolutely had it with this [Removed] app. Now I can't access all of my clients. Anyone esle having this problem? Better yet, does anyone know of another company?

There are a handful of other companies.  
Zoho

Freshbooks

Manager.io

You can Google search it and find one that will work for your needs.  

We acknowledge that this has affected your workflow, @butlerfenceri. I'm here to help you resolve your access issue.

To provide a more specific resolution, can you please share the error message you receive when attempting to access your clients? Also, please ensure that your client has given you access to their company.

In the meantime, let's troubleshoot the app by uninstalling and reinstalling it.

Additionally, you can refer to this article for an overview of the different options for user roles and access permissions: User roles and access rights in QuickBooks Online.

Let us know if you have other concerns with your user access in QBO. We'll be here to help you in any way we can.