Leftie - 14:37 (20-11-2013) check forum for dogtag topic please, need your input
dkong - 13:52 (20-11-2013) Disadvantage: Because Threema is a closed source proprietary application, it is not possible to verify if the product does not have intentional or accidental security flaws.
So you are actually paying without being able to verify if it's any good. As long as I annoy the shit out of governments it's fine by me, but who says this isn't a government operated/owned/controlled company?