Conceptually good but …
The concept of this app is fairly good but the usability on an iPad Pro 12.9 is questionable, as I did get the objects edited merely if I used the Apple pencil. Meaning, there is obviously a problem with usual touch responsibility. Especially the object handles do not respond at all as supposed. So iI will probably try that out for one month in depth, as it is promising, that the app is available on the Mac too. Being a PaintCode user for many years, such app concept sounds promising due to the fact, that PaintCode obviously does not get any updates for SwiftUI ever…