Graal Classic takes up 1.3 GB and Graal Era takes up 1.1 GB on my device. The app description in the app store says Graal Classic is the size of 23.2 mb while Graal Era supposed to be the size of 26.3.
Do I delete and reinstall or...?
Those are the sizes for the original downloads, because it's online you end up downloading things like head files, hat files, and other things that add up to the numbers you're seeing now.
Optimizing it so that cached files that have not been used in ~60-90 days are automatically deleted would do a lot for device space usage and the freezing problem, but I'm sure that requires cooperation from Unixmad or whoever handles the client itself