While it looks promising, can't say as it's that appealing to me.
Requiring someone to keep a browser window open just for a 'live chat' service, no thanks... Sorry
No native apps (Windows, iOS, Android), again, a big miss.
I understand it's a beta thing right now, so do keep the work up, it looks good, and hopefully those two things will be addressed, as I desperately need a reliable system, since tawk.to is just turning to garbage lately