iOS client-server app: HTTP or TCP/IP?

Question

I am about to start designing/developing a client-server iOS app. I am leaning towards using HTTP requests to get/post data from/to a server, but want to make sure this is the r

Answer 1

HTTP is just a layer above TCP, so it's also "socket-based". I would use HTTP, for example because there is HTTPS for the cases when secure communication is needed. Another advantage of HTTP(S) over a custom-made TCP-protocol is that firewalls usually have a pinhole for the TCP port it uses (HTTP: 80, HTTPS: 443).