Pretty much. Have you tried https://wallmine.com/google-finance-portfolio-alternative?
Edit: disclosure - I am affiliated with the recommended site.
Edit: disclosure - I am affiliated with the recommended site.
I'm not surprised they've been deleted if she's spamming like this but curious if you just recognized the username or if there's another setting I need to enable to see those comments.
Full disclosure: I'm the author. Also, we're pushing a major update sometime next week.
This sort of app can easily be on the web, at least.