I had a good experience with re-graph, what's going wrong? Been a while used

(defn ^:export init []
  (re-frame/dispatch-sync [::events/initialize-db])
  (re-frame/dispatch [::re-graph/init {:ws-url   ""
                                       :http-url ""}])

As of yesterday i was able to get past my initial hurdles with re-graph, yes.

Can you use re-graph without re-frame? Does it add value in that case?

There are examples on the repo showing vanilla cljs, so I assume it's viable. As for adding value, I guess it depends on what you use now.