Why does chess.com mobile app have such a terrible analysis feature?


Hmm. I just want to point out that there are two different apps. I use the Android one.
Which one are you talking about?
I use the Android one and analysis choices are limited compared to the website. I guess I expect that an app will have more limited features.
I use the website for more choices on analysis. Most of the time I use a browser app on my phone.
You can choose the depth, highlight move qualities by color, download or copy the pgn. Review the opening against a database. Turn analysis lines on or off.