Kelley, not sure if you found your solution already but I saw this one out there - does this work for you?
https://thoughtout.biz/iphone-tripod-mount-ped5-h/

Thanks for still thinking of me.

I ended up getting a Gorillapod with a universal phone mount that works great.  I do like Gorillapods (this is my third) and I needed a small tripod solution on my desk.  Let's see if I have the link:

https://smile.amazon.com/gp/product/B01C7UYCWW/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

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Alienware Aurora R12, Win 10, i9-119000KF, 3.5GHz CPU, 128GB RAM, RTX 3090 (24GB), Samsung 960 Pro 4TB M-2 SSD, TB+ Disk space
Mike "ex-genius" Kelley

Hope nobody took you up on that