Who Sinch is
Sinch is a large Swedish CPaaS and tier-1 SMS aggregator with strong North American reach and an all-in-one product, Sinch Engage, that spans SMS, MMS, WhatsApp, RCS, and social. Its own documentation estimates 6–12 weeks for US RCS agent setup, with a one-time US activation fee up to $500 and roughly $75 per sender-profile change. Engage plans run from about $49 to $249/month, and a real AI chatbot (Chatlayer) is a separate product starting near $499/month.
Feature by feature
| Feature | SimplyRCS | Sinch |
|---|---|---|
| Geographic focus | US-only; direct to AT&T, Verizon, T-Mobile, US Cellular | Global; strong North America |
| Channels on one platform | RCS, SMS, MMS, short code, toll-free, 10DLC, two-way, WhatsApp | SMS, MMS, RCS, WhatsApp, social (Engage) |
| No-code campaign builder | Yes, bot canvas, blasts, templates, assets | Yes, Engage UI (tiered) |
| Live message preview | Yes, renders as Google Messages before send | Yes (within Engage) |
| Two-way inbox | Yes, shared inbox with routable queues | Yes (tiered) |
| API + app same price | Yes, application and full API, one price | Tiered plans; AI chatbot is a separate product |
| Developer tooling | REST API, signed webhooks, OpenAPI, self-serve keys | Robust APIs and docs |
| White-glove carrier compliance | Yes, we prep & submit brand + campaigns for you | Assisted onboarding |
| Submission / approval tracking | Yes, unified queue with audit trail | Onboarding-managed |
| Time to first send (US) | 2–4 weeks (target) | 6–12 weeks (per Sinch) |
| Published pricing | Yes, on the website | Contact sales for US RCS quote |
| Pricing model | Carrier rates + $250/mo per RCS Agent (no platform fee) | Setup + yearly vetting + per-msg carrier fees |
| Fees/taxes/surcharges shown | Yes, itemized at checkout, carrier fees on their own line | Multiple fees; quote-based |
| Rich vs basic RCS price | Same rate | Billed by message class |
| Setup / change fees | $0 / $0 | Up to $500 / ~$75 per change |
| Monthly cost & support | $250/mo per RCS Agent, no platform fee; dedicated human support included | Engage $49–$249/mo; Chatlayer + $499/mo; real-time support paid |
Where SimplyRCS wins
- Faster US launch | SimplyRCS targets 2–4 weeks against Sinch's own 6–12 week US estimate.
- No activation or change fees, versus up to $500 to activate and ~$75 each time you edit a sender profile.
- Everything in one price | SimplyRCS doesn't sell the AI/bot layer as a separate $499/month product.
- Published carrier-rate pricing instead of "contact sales" for a US RCS quote.
- Human support included, not gated behind a higher tier.
Where Sinch may be the better fit
- You need messaging across many countries with one vendor and want Sinch's global operator footprint.
- You want social channels (Instagram, Facebook) managed alongside SMS/RCS in one inbox.
- You're an enterprise comfortable with custom contracts and tiered plans.
Best-fit buyer for SimplyRCS over Sinch
A US business that wants to be live on RCS in weeks rather than months, with one predictable bill and every feature (including bots and two-way) included, not tiered plans, separate AI products, and a multi-month carrier timeline.
Frequently asked
How long does Sinch take to set up US RCS?
Sinch's own site estimates 6–12 weeks for US RCS agent registration. SimplyRCS targets 2–4 weeks by handling brand and campaign submission for you.
Does Sinch charge to activate RCS?
In the US, Sinch lists a one-time activation fee up to $500 and about $75 per sender-profile change. SimplyRCS charges neither.
Is the AI chatbot included with Sinch?
A keyword-level builder is in Engage, but a full AI chatbot (Chatlayer) is a separate product starting around $499/month. SimplyRCS includes its no-code bot builder.