RCS does function over a data connection (and WiFi!), however unless you're sending large files over the wire it's probably not going to have any effect on your data bill. Text messages are a handful of kilobytes large at worst. SMS/MMS have lots of issues to do with security and capability, and most handsets support it in some form already.
Not everyone has a large data plan. I am very aware of how much messaging taxes my data plan: the entirety of my data is already used by it.
Then disable RCS chats in the settings? I doubt traditional SMS is going anywhere soon.
RCS does function over a data connection (and WiFi!), however unless you're sending large files over the wire it's probably not going to have any effect on your data bill. Text messages are a handful of kilobytes large at worst. SMS/MMS have lots of issues to do with security and capability, and most handsets support it in some form already.
Not everyone has a large data plan. I am very aware of how much messaging taxes my data plan: the entirety of my data is already used by it.
Then disable RCS chats in the settings? I doubt traditional SMS is going anywhere soon.