Not very good
Been using it for 5 years. The app constantly has problems, and their team never gets back to you if you report bugs or app issues. I constantly get duplicate notifications hours after I got them. the first time, and it just freezes other times. The app just updated and I have already had to uninstall and reinstall due to notification errors and the app not working with my Apple Watch.
Sentinelanator about
Instagram, v10.15