Looks like abandonware – ChessBase Online Review

The app currently does not scale up to the display on my iPhone XR and is so small on the screen I can’t effectively use it. I tried the help section and what it says does not reflect the way the app works on my phone, I can’t find out what I wanted to know, and everything is so small it’s almost impossible to read. The app is not listed on the main Chessbase website and the latest version update listed in Apple’s App Store is three years ago. It seems that active development and support have ended and I would rather have not wasted my time attempting to use a broken and abandoned app.
Review by Delicious Jim on ChessBase Online.