Hello. I have been working with Messaging apps for 4 years.
I have enough experience in this part and i can support Quickblox, C2call, Parse, Opentok API etc.
This app is containing Text messaging, Sending images and videos, Video/Audio chatting, Notification services. etc.
Nice and familiar interface will be greatly make you happy.
I promise you nice iOS, Android chatting app with flexible web service.
I will take responsibility for my app and I hope long term partnership with you.
Best Regards