[hashar]

Kind of.

If configured you can send your review by emails https://gerrit-review.googlesource.com/Documentation/intro-u...

If you get the an email you can read it from your mail client, retrieve the change from Gerrit over git (git fetch gerrit.example.org refs/changes/45/12345,8 && git checkout FETCH_HEAD), address the review and send back to Gerrit (git push gerrit.example.org HEAD:refs/for/main). Though to mark the review comments you would have to reply to the email or indeed head to the Web UI to mark them resolved.

One can send a review vote and message over ssh which is quite convenient to a point I locally have aliases +1 / +2 to do it directly from the command line instead of heading to the web browser.

The API is quite powerful (the Gerrit web UI entirely relies on the REST API). James E. Blair wrote a ncurses client for Gerrit there is a quick demo at https://ttygroup.org/gertty/index.html (Pypi page https://pypi.org/project/gertty/ ).