Application title is Hala
Application must support iPhone and android, also support English and Arabic text
Mission: Hala ought to be an alternative to SMS, Must supports sending and receiving a variety of media: text, photos, videos, documents, and location, as well as voice calls. our messages and calls ought to be secured with end-to-end encryption, meaning that no third party can interfere unless invited.
With this description of the job I need your input of what language is appropriate to write the program, time to take, application host and price.