Published May 23, 2025.
Written by Megan Lagerwey.

What’s the difference? Comparing Business Messaging Channels: SMS vs RCS vs WhatsApp 

Business messaging has evolved to incorporate rich media features. To compare how SMS messaging compares to the rich business messaging channels of RCS Business Messaging and WhatsApp Business API we’ve set out the key features of each.
Table of Contents

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You will note that the rich business messaging channels offers significant advances for both how and what mobile communications can deliver to your target audience.

FeatureSMSRCSWhatsApp
Message TypeText onlyText, images, videos, carouselsText, images, videos
Character Limit160 charactersUp to 2000 characters or more4096 characters
Read ReceiptsNoYesYes
Rich Media SupportNoYesYes
Interactive ButtonsNoYesYes
Branded MessagingNoYes, with custom branding optionsYes, with custom branding options
Trust MarksNoYes, verified business badgeYes, verified business badge
Network DependencyWorks on any mobile networkRequires RCS-enabled mobile network and deviceRequires internet connection and WhatsApp installed on device
User BaseGlobalGlobal but currently only available on Android mobile devices; Apple due to roll-out RCS Business Messaging in 2025.Over 2 billion users
Cost for businessGenerally low, per-message costVariable per-message cost, depends on the mobile network provider; set-up fees.Higher fees for marketing messages than transactions; set-up fees.
Opt-in (Consent)Required, managed by business – often via SMS or web formRequired, managed by business – often via SMS or web formRequired, managed via WhatsApp.
ButtonsNoYesYes
CarouselsNoYesYes

Now that you have an idea of the differences between the rich business messaging channels of RCS Business Messaging and WhatsApp Business API compared to the traditional SMS offering are you ready to take your business communication to the next level? Explore the possibilities of Rich Business Messaging with us and see how this innovative technology can benefit your business.

For more information visit our Rich Business Messaging page.

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