Apple is preparing encrypted RCS support for iPhone, a change that could make messaging with Android users more secure and reduce reliance on SMS. For years, the iPhone’s two-tiered texting system has been a hot topic. iPhone-to-iPhone texts in the Messages app are blue, and enjoy full encryption and more robust media features, like animations.

Understanding the Context

Trillions of text messages are sent and received via SMS-enabled devices every day, but have you ever stopped to ask, “What is SMS, exactly?” One of the oldest forms of mobile messaging, SMS messages ... What is SMS? SMS, which stands for short message service, is a form of text messaging that allows a message to travel across mobile phones using cellular networks almost instantly. Short Message Service (SMS) is a text messaging service component of most telephone, Internet and mobile device systems.

Key Insights

It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks. SMS is a common method of sending short messages between cell phones. Find out how SMS works and learn about the advantages of text messaging. Stay connected to the people and conversations that matter most. Send unlimited texts, photos, videos, documents, and more to any iOS, iPadOS, macOS, watchOS, or visionOS device with iMessage, or use it to send RCS, SMS, and MMS messages.

Final Thoughts

Engadget: What is RCS and how is it different from SMS and iMessage?