Why RCS messaging grew 70% in India — and what it means for your brand

For twenty years, business messaging in India meant one thing: a plain 160-character SMS from a cryptic sender ID. RCS — Rich Communication Services — replaces that with something that looks and behaves like a modern app chat: your brand name and logo as the verified sender, images and carousels, tappable reply buttons, even payments. And it arrives in the phone's default messaging app, with nothing for your customer to install.

What actually drove the growth

• Android's dominance: more than 95% of Indian smartphones run Android, and Google has switched RCS on by default in the Messages app across Jio, Airtel, Vi and BSNL networks.
• Verified senders: after years of SMS spam and phishing, a branded, verified sender is a trust upgrade customers actually notice.
• Read receipts and rich media give marketers the feedback loop SMS never had — you finally know what was seen, not just what was sent.
• Pricing has settled: early-mover brands report engagement rates several times higher than SMS at a cost still well below WhatsApp conversation rates in many use cases.

Where RCS beats SMS and WhatsApp — and where it doesn't

RCS wins when you want rich, branded broadcast at scale: offer carousels, appointment reminders with buttons, order updates with tracking cards. WhatsApp still wins for two-way conversations and support, because that's where your customer already chats. And SMS remains the universal fallback — the only channel every single handset can receive.

The practical answer isn't choosing one. High-performing Indian brands run a waterfall: RCS first where the handset supports it, WhatsApp for conversations, SMS as the guaranteed catch-all. Every message lands somewhere, and every rupee is spent on the richest channel each customer can receive.

How to start without burning budget

• Verify your brand sender first — the trust badge is half the value of the channel.
• Migrate one high-volume SMS use case (offers or order updates) and A/B it against your existing SMS numbers for a month.
• Design for taps, not reads: suggested replies and card buttons are what separate RCS engagement from SMS engagement.
• Set the fallback chain from day one so non-RCS handsets silently receive SMS.

The early-mover window is real: inboxes are still uncrowded, which is exactly when engagement rates peak. The brands that build the capability now will be the ones with the send-history and templates ready when everyone else arrives.