Like a social messenger app, you really have a lot of competitors, but none of them has so many functions on their platform. The main feature of yours is the usage advantages of the  blockchain platform, and such messengers as telegrams and whatsup  are very far from that, and it is unlikely that you will be able to attract their audience to your application, but it seems to me you do not need it at all. Your audience is a blockchain community, and they will definitely like this platform