There is no reason a chat app can't be multiplatform, plus the total cost to transition to iPhones would be in the thousands. Most of them would spring $3-5 a month for a platform secure though.
Ok? That doesn't make my answer to the question wrong.
FTR: I would love!!! an open source / open protocol messaging platform that wasn't owned by anyone. But, that doesn't seem to be in the cards for us all.
Most? In Vietnam (where my parents live) with $5 a month you can do everything (Internet, call and text, or even watching Youtube for short period of time).
FTR: I would love!!! an open source / open protocol messaging platform that wasn't owned by anyone. But, that doesn't seem to be in the cards for us all.