Hi,
Is there something which will let me verify that calls to my backend server are coming from iOS app and not from elsewhere on the web.
Is there something analogous to this:
http://android-developers.blogspot.com.au/2013/01/verifying-back-end-calls-from-android.html
https://developers.google.com/identity/protocols/CrossClientAuth#androidIdTokens
Not interested in any user data, just want to be sure that the calls to the backend are being made from the iOS app and be protected from replay attacks.
Thanks in advance.