I do the exact same thing as OP with KeepassDX at work and works pretty nice so far, since I gave KeepassDX the right acces rights on the nextxloud directory.

What diferences have you figured out so far with Keepass2android in comparison ?

Yes it is.

This is unfortunately completely wrong, since you can learn from the homepage of matrix very own client Element, that its supported an trusted by a whole bunch of NATO Armys, including the US of course…

I don’t mean by that you shouldnt use matrix, but arguing against signal with matrix is, in so many means, hilarious.

The arguable, but professional cryptographer soatok discribes from a mathematical/cryptographical point of view, what it needs to be a Signal competitor, where matrix (and others) dont catch up (unfortunately)