Secret Calculator
I had a calculator vault app. When I got my new 13, it didn’t transfer with the other apps. It’s no longer in the App Store. I’m desperate for help. I had thousands of pics, videos, and documents on there.
iPhone 13 Pro Max, iOS 15
That application was abandoned by the developer quite some time ago.
You can try to contact them for support, but unless you had the data stored somewhere else, it's likely gone for good.
