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.

Feature | SMS | RCS | WhatsApp
Message Type: Text only | Text, images, videos, carousels | Text, images, videos
Character Limit: 160 characters | Up to 2000 characters or more | 4096 characters
Read Receipts: No | Yes | Yes
Rich Media Support: No | Yes | Yes
Interactive Buttons: No | Yes | Yes
Branded Messaging: No | Yes, with custom branding options | Yes, with custom branding options
Trust Marks: No | Yes, verified business badge | Yes, verified business badge
Network Dependency: Works on any mobile network | Requires RCS-enabled mobile network and device | Requires internet connection and WhatsApp installed on device
User Base: Global | Global but currently only available on Android mobile devices; Apple due to roll-out RCS Business Messaging in 2025. | Over 2 billion users
Cost for business: Generally low, per-message cost | Variable 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 form | Required, managed by business – often via SMS or web form | Required, managed via WhatsApp.
Buttons: No | Yes | Yes
Carousels: No | Yes | Yes
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.
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.
Megan Lagerwey