Same question is asked for More secure to use e.g. Whatsapp Web in Franz than in browser? [closed].
On its answer it is said that:
No, Franz is not inherently more secure than a regular browser.
In an ordinary web application the impact of this XSS flaw would have been restricted to that particular domain, but in a desktop application it endangers the host itself.
On its answer’s comment it is mentioned that Rambox.pro is an open source alternative.
==> I was wondering would
Rambox.pro is secure to use like a regular browser or their native clients? or does it have any security holes like