I tried this and it's great.
On GrapheneOS I installed it with Aurora Store and denied network permission.
On first run I gave it camera access when using the app, then denied location permission.
In the app settings (pull up on the camera image) you can change the copyright info away from your phone name, in case your phone name is "Dr. William Stephen Jones (829-52-5895) 4705 Main St Chicago IL's Pixel."
I also denied sensors permission in the phone settings, and it still works fine.
Pretty incredible these days that it doesn't require all the tracking junk to function.
I think I might pitch this for a homeschool co-op photography class.
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