It depends :) If your app does something on the users local machine (or a server) and cannot just exist in a browser then there is room for a desktop app. You

It depends :) If your app does something on the users local machine (or a server) and cannot just exist in a browser then there is room for a desktop app. You can run a local web server on a high port and connect to that as the web UI but not that many apps get away with that approach.