Chapter 1

RCS explained: The modern messaging standard

RCS is changing the game in business messaging. Discover how it’s transforming customer interactions and why your business can’t afford to miss out.
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What makes RCS such a game-changer

RCS (Rich Communication Services) is a person-to-person messaging protocol designed to deliver better experiences across Apple and Android devices. Think of it as a richer, more engaging alternative to regular texting, with high-resolution images, videos, reactions, and typing indicators.

RCS for Business puts this technology to work for business-consumer communications and takes it even further.

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Understanding RCS for Business

RCS for Business takes messaging to the next level, offering powerful ways to engage with customers and drive results:

  • Send branded, verified messages with cards, carousels, suggested actions, and more, straight to your customers’ native messaging inboxes.
  • Enable dynamic conversations.
  • Gain access to improved analytics like read rates to help refine your messaging strategy.
  • Reach your messaging goals, whatever they may be. From basic delivery updates that keep customers informed to immersive AI-driven conversational experiences that boost satisfaction, RCS for Business provides messaging options tailored to your needs.

Put simply, RCS upgrades personal texting, while the business solution redefines what’s possible in business messaging. Discover more in our post, “What is RCS messaging? Google’s communication chat protocol explained.”

To keep things clearer, when we talk about RCS in the following chapters, we’re referring to RCS for Business.

1B

Monthly active users in 2023


1B

New RCS users expected by mid-2025

$8.37B

RCS market value in 2023

$19.48B

Projected value in 2028

50B

Projected RCS business messaging traffic for 2025*

How far has RCS adoption come?

RCS started out as Android-only and has really taken off recently with Apple starting to roll it out for both personal and business messaging for select markets and carriers in 2024. This is a big step toward making RCS available everywhere.

Now, with support from both major operating systems and more users and businesses jumping on board, RCS is only going to keep growing.

Source: Sinch, 2024

*Source: Juniper Research, 2024

Is RCS the new SMS and MMS?

SMS has been the go-to for mobile messaging for decades, offering simplicity and universal reach, but how does it compare to RCS? Let’s break down the key differences between SMS and RCS to help you understand where each fits into your communication strategy.

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SMS: Reliable, familiar, and everywhere

SMS is the OG of mobile messaging. It can reach nearly everyone with a mobile phone, no Wi-Fi required!

It’s simple, reliable, and works great for basic interactions or as a fallback when other channels fail, but it has its limitations.

How is RCS different from MMS, you ask? Well, MMS works for sending images or videos in certain markets, but it can’t match the interactivity that RCS offers.

RCS: The next step in mobile messaging

RCS offers a better experience than SMS on both Android and compatible iOS devices, similar to apps like WhatsApp. The big difference is that RCS messages go straight to the native message inbox, so no app download is needed. Plus, RCS works over both Wi-Fi and cellular data networks (like 4G or 5G).

With features like real-time, branded messaging, rich media, suggested replies and actions, read receipts, and verified senders, RCS business messages create memorable experiences with higher engagement – and with a messaging API, it’s easier than ever to make that happen.

Meet the engineers behind the future of texting

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RCS, WhatsApp, and iMessage: Better together?

RCS and WhatsApp have a lot in common, and with Apple now supporting RCS, it’s easy to wonder if RCS might someday replace WhatsApp. But it’s not about replacing – these channels excel in different ways, making them complementary rather than interchangeable. That’s why it’s important to tailor your communication strategy to your customers to meet them where they are and better reach your goals.

Wondering where iMessage stands in all this (or rather, its business version, Apple Messages for Business)? Again, it all comes down to your goals and audience. Check out our dedicated blog, “RCS vs iMessage: What’s the difference?”, to understand each channel’s unique benefits.

Building trust, one RCS message at a time Chapter 2 Building trust, one RCS message at a time