RCS isn't coming. It's already here, and most SMS operators are not ready.
For years, RCS was the messaging standard that always seemed “almost” mainstream. It was Android-only, carrier support was fragmented, Apple was absent, and for many operators, it was easy to ignore.
That changed in late 2024 when Apple shipped RCS support in iOS 18. After that, adoption moved faster than most messaging teams expected.
More than 1 billion RCS messages are now sent daily in the US alone. Business messaging traffic grew 550% in 2024, and RCS now reaches over 80% of smartphone users in major US markets.
What actually changed when Apple joined
Before iOS 18, RCS reached roughly 40% of US smartphone users because it was essentially limited to Android. Once Apple added support, the addressable audience jumped toward near-universal coverage.
The infrastructure debate is over. Every major US carrier is on board, and both Google and Apple now support the standard. The question is no longer whether RCS will matter. The question is what your messaging stack will look like when SMS-only competitors are still sending plain text while your brand is sending interactive, branded, rich media messages to the same inbox.
Juniper Research projects 3.8 billion active RCS users by the end of 2026. This is not a bet on emerging technology. It is catching up to what is already happening.
What RCS gives you that SMS can't
RCS gives brands something SMS never really could: a richer, more trusted message experience inside the native inbox.
Branded sender identity means your logo, name, and verified sender badge appear in the message thread, instead of an unfamiliar number.
Rich media can be delivered natively, including images, carousels, video, and PDFs, without forcing the user to click a link and open a browser.
Interactive buttons allow for CTAs, quick replies, and action buttons directly inside the message, which means simple conversions do not always need an external landing page.
Read receipts and typing indicators give A2P messaging a level of visibility SMS never had, including whether a message was actually read.
Two-way conversational flows can also happen inside the native messaging app, without requiring an app download or a separate inbox.
The compliance question everyone should be asking
Most RCS content focuses on the creative upside, but the governance side matters just as much.
RCS introduces a new set of operational and compliance considerations that many SMS teams are not prepared for. Rich media delivery creates new content review requirements. Branded sender verification adds carrier-level identity management. Two-way conversational flows, especially those powered by AI agents, bring agentic outreach governance into a higher-fidelity channel.
Operators who build RCS governance into their infrastructure from the start will not have to rebuild later. Operators who treat RCS as “SMS with pictures” may find out why that framing gets expensive.
Where RCS fits in your stack right now
Financial services is already moving quickly, with 49% of organizations using RCS. Verification, balance alerts, and interactive account management are natural early use cases.
For e-commerce, RCS can turn an abandoned cart message into a product carousel with a one-tap checkout button. No link. No app. Just conversion inside the message thread.
For publishers and media brands, RCS can turn breaking news alerts into richer updates with a thumbnail, headline, and read-now button, bringing SMS-style urgency without the text-only constraint.
For agencies running GHL, RCS integration with GHL workflows is coming. The agencies building governance frameworks now will be in a much stronger position when it arrives.
In early 2026, Apple and Google began jointly testing end-to-end encrypted RCS, which means the channel is not just becoming richer. It is also becoming more private than SMS ever was.
What to do right now
You do not need to migrate your entire SMS program to RCS today. But you should be making two decisions now: which use cases in your current SMS stack are the best candidates for RCS, and whether your platform has a clear RCS roadmap or is treating it as someone else’s problem.
Platforms without a clear RCS roadmap are going to look like fax machine vendors in 24 months.
The Serious Sender Report covers RCS adoption timelines, what governance looks like on richer channels, and how serious senders are positioning their infrastructure for the shift: https://go.betwext.com/serious-sender
Rob Hunter
Co-Founder, Betwext
