Hello, alanf6464-gmail-.
Thank you for reaching out to the Community. Currently, the compatibility for iPhone requires iOS 13.0 or later in QuickBooks Self Employed.
Please check these articles for your reference:
Keep me posted if you have other questions. I'm always here to help. Take care and stay safe!
You have clicked a link to a site outside of the QuickBooks or ProFile Communities. By clicking "Continue", you will leave the community and be taken to that site instead.