Quickbooks on iPhone not offering to send invoices anymore and only saves them. I have to go back to invoice to send it.

Hell usergagnom, 

Glad to have you as a new member in the Community. I'll be happy to provide the info you need so you can continue to manage your work with ease using QuickBooks. 

Based on what you've described, I 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. Also, are you able to send invoices while using a web-browser instead of the app? 

Feel free to let me know what happens. I'll be one message away.