You can set the minimum deployment to iOS 17 & then if someone has iPhone X*, 11 or SE then you can alert them to get a refund when they open the app either with a device check or total memory check. That'll set it so you remove most of the issues of older devices.
This app got through review pretty easily, especially since I flagged potentially offensive content which makes it age 12+. In comparison to social media these apps are positively angelic.
