https://djangostars.com/blog/how-much-does-it-cost-to-build-a-messaging-app-like-whatsapp/
In our case, we know they are 2 devs so it could take 1 year to have a product.
Nevertheless, I agree it don't explain the lake of communication...
Let's just hope this is the case why the dev hasn't been on here, let's just hope that maybe the reason why he hasn't been on here is because he's been focusing all his time working on the development of the project but honestly though I'm kind of doubting it, I have a strong feeling that the dev has already abandon this project but let's just hope I'm wrong. I really do wish that the dev could just go on here and just post something, any words from him is way better than nothing. Atleast he could just talk about the whitepaper or the website or maybe what he's been recently doing, just little updates could really help strengthen our faith regarding the future of this project.