But is it more sustainable?
I love SimpleX I was really early on to test it and it improved over the years but running a messenger is heavy even if decentralized, especially when you have to do all the R&D because you work like nothing else.
The thing that they don't show a code Licence in their comparison is a bit off. It's proprietary software comparing to FOSS or Open Source competitor without any mention to this...
But maybe it's decent.