Android to Android uses RCS: feature rich
iPhone to iPhone uses iMessage: feature rich
Android to iPhone uses SMS or MMS: bland, boring, and unsecure
Why you ask, Apple won't let anyone else use the iMessage protocol and also won't add RCS to their phones so they just use a protocol from the 90s instead
Android to Android uses RCS: feature rich
iPhone to iPhone uses iMessage: feature rich
Android to iPhone uses SMS or MMS: bland, boring, and unsecure
Why you ask, Apple won't let anyone else use the iMessage protocol and also won't add RCS to their phones so they just use a protocol from the 90s instead