Comparison

HexaFloww vs Sinch: No-Code Marketing vs Global APIs

Sinch is a global communications platform: messaging, voice, verification and email APIs for developers, used by 200,000+ businesses. HexaFloww is a ready-made marketing suite: WhatsApp campaigns with safety rails, email, a social inbox, AI replies, bookings and Google reviews from ₹999/month. Here’s an honest, side-by-side look.

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HexaFloww vs Sinch comparison: Indian SMBs, D2C brands and agencies that want a ready-made WhatsApp, email and social marketing app.
The short answer

HexaFloww or Sinch?
Here’s the honest answer.

Choose HexaFloww if your marketing team wants WhatsApp and email campaigns, an Instagram, Messenger and TikTok inbox, AI replies, bookings and Google reviews with no code, from ₹999/month. Choose Sinch if your developers are building SMS, RCS, voice, verification or email into your own product across many countries on pay-as-you-go pricing.

See the full comparison
4 areas where HexaFloww comes out ahead
2 ties where it depends on your business
2 areas where Sinch is stronger

Key takeaways

01

Sinch is an API platform for developers; HexaFloww is a finished marketing app your team logs into.

02

Sinch prices SMS, voice and RCS pay-as-you-go by country; HexaFloww is a flat rupee plan with Meta fees billed separately.

03

Sinch covers channels HexaFloww doesn’t: SMS, RCS, voice, video and verification, with email through Mailgun and Mailjet.

04

HexaFloww includes campaigns, journeys, number-protection rails, a shared inbox and AI replies with no code.

05

HexaFloww adds WhatsApp booking with reminders, Google review replies and SEO reports.

Sinch is one of the world’s largest communications platforms. It says it’s trusted by 200,000+ customers, with 600+ direct operator connections and 900 billion+ texts and emails a year. Developers use its APIs for SMS, RCS, voice, video, verification and email. HexaFloww is a marketing app: your team logs in, builds a segment and sends a campaign.

This page compares the two on setup, WhatsApp campaigns, AI, local tools, email, pricing, channels and scale. HexaFloww is our product, so read it as an informed opinion. Every Sinch fact is taken from Sinch’s own website.

Quick verdict

Two good tools.
Built for different jobs.

Sinch is a powerful global toolbox for developers, priced pay-as-you-go. HexaFloww is a finished marketing suite: campaigns, a four-channel inbox, AI replies, email, bookings and Google reviews, on a flat rupee plan from ₹999/month.

Best for most Indian businesses

Choose HexaFloww if…

  • Your marketing team, not developers, will run campaigns
  • You want WhatsApp campaigns and email in one app
  • You need a shared inbox for WhatsApp, Instagram and Messenger
  • You want AI replies trained on your own website
  • You prefer a predictable plan in rupees

Choose Sinch if…

  • You’re building messaging into your own product
  • You need SMS, RCS, voice or number verification
  • You send to many countries at very high volume
  • You have developers to build and maintain the tooling
Side by side

HexaFloww vs Sinch.
Feature by feature.

Included Partial / add-on Not offered

WhatsApp

Official WhatsApp Business API

HexaFloww: Meta Cloud API, your own number

Sinch: WhatsApp via its Conversation API

Campaign builder

HexaFloww: 4-step wizard with audience preview

Sinch: Marketer applications; mostly built on the API

Number-protection rails

HexaFloww: Frequency caps, quality auto-pause, failure circuit breaker

Sinch: Your own code

WhatsApp booking

HexaFloww: Slots, reminders, Google Calendar sync

Sinch: Not offered

Inbox & AI

Shared team inbox

HexaFloww: WhatsApp, Messenger, Instagram and TikTok

Sinch: Not described on its website

AI replies

HexaFloww: Trained on your website and documents

Sinch: AI agent tools for developers

Lead scoring

HexaFloww: Buying intent scored on every chat

Sinch: Not built in

Channels

Email

HexaFloww: Campaign builder, A/B tests, Smart Send (Growth plan)

Sinch: Mailgun and Mailjet, separate products

SMS & RCS

HexaFloww: Not offered

Sinch: Global SMS and RCS, pay as you go

Voice, video & verification

HexaFloww: Not offered

Sinch: Voice API, in-app voice and video SDKs, verification

Google reviews & SEO

HexaFloww: Review replies, posts, Search Console, GA4

Sinch: Not offered

Pricing & billing

Pricing model

HexaFloww: Flat plans from ₹999/month

Sinch: Pay as you go by country; custom via sales

Free trial

HexaFloww: 3 days, Growth features, no card

Sinch: “Try for free” sign-up

Area by area

8 areas.
Each with a clear winner.

Area 01 · Setup

HexaFloww

Setup: log in vs build

The biggest difference is who does the work. HexaFloww is ready when you connect your number; Sinch is ready when your developers have built on it.

HexaFloww

  • Connect WhatsApp with Meta’s guided signup
  • Import contacts from CSV, Shopify, HubSpot or your phone
  • Send your first campaign the same day
  • No servers, code or maintenance

Sinch

  • APIs and SDKs for messaging, voice and verification
  • Serverless Functions for custom logic
  • Campaign screens and reports are largely yours to build

Verdict: HexaFloww wins for marketing teams without developers.

Explore WhatsApp marketing

Area 02 · WhatsApp campaigns

HexaFloww

WhatsApp campaigns with safety rails

Both can send approved templates to thousands of customers. HexaFloww adds the campaign tooling and number protection that an API leaves to you.

HexaFloww

  • Consent, suppression and duplicate checks before every send
  • Per-contact frequency caps, default 24 hours and 3 a week
  • Auto-pause if your quality rating turns red
  • Delivered, read and replied tracking per campaign

Sinch

  • Reliable delivery at global scale
  • Delivery reports to your own systems
  • Campaign logic built by your team

Verdict: HexaFloww wins for running campaigns; Sinch for raw sending infrastructure.

Browse WhatsApp templates

Area 03 · AI

HexaFloww

AI replies without building them

HexaFloww answers customers with AI trained on your own website. With Sinch, your developers assemble AI agents from its tools.

HexaFloww

  • AI auto-reply trained on your website, documents and notes
  • Hands the chat to a human when it should
  • Removes any link that isn’t from your own site
  • Scores every inbound chat for buying intent

Sinch

  • AI agent tools and Functions for developers
  • AI features to reduce messaging fraud
“Do you deliver to Pune, and what’s the price of the 1 kg pack?”

Verdict: HexaFloww wins for AI replies that work on day one.

How AI auto-replies work

Area 04 · Booking & reviews

HexaFloww

Bookings and Google reviews for local businesses

Clinics, salons and coaching centres need appointments and good Google reviews. HexaFloww covers both.

HexaFloww

  • Booking inside WhatsApp with reminders and Google Calendar sync
  • Reply to Google reviews with AI-drafted suggestions
  • Google Business Profile posts, Search Console and GA4 reports

Sinch

  • No booking calendar
  • No Google review or SEO tools

Verdict: HexaFloww wins for appointment-based and local businesses.

See WhatsApp booking

Area 05 · Email

Tie

Email: one app vs two specialist products

Sinch owns two well-known email products. HexaFloww’s Growth plan puts email and WhatsApp in one place.

HexaFloww

  • Drag-and-drop builder with A/B tests
  • Smart Send by opening hour
  • Email and WhatsApp steps in the same journey

Sinch

  • Mailjet for email marketing
  • Mailgun for developer email sending
  • Separate accounts and plans from messaging
“Email the sale to everyone, then WhatsApp the people who didn’t open it.”

Verdict: A tie: Mailjet and Mailgun are strong specialists; HexaFloww joins email and WhatsApp in one journey.

Explore email campaigns

Area 06 · Pricing

Tie

Pricing: flat rupees vs pay as you go

Both pass Meta’s WhatsApp fees through in some form. The difference is what sits on top.

HexaFloww

  • Flat plans from ₹999/month, paid in rupees
  • Inbox, AI and campaigns included
  • Meta fees billed separately

Sinch

  • Pay as you go per message, by country
  • Custom pricing for volume
  • Tooling costs extra or is built in-house

Verdict: A tie: HexaFloww is simpler for SMBs; Sinch can be cheaper at huge, developer-run volume.

See HexaFloww pricing

Area 07 · SMS, RCS & voice

Sinch

SMS, RCS, voice and verification: Sinch’s home ground

If your business runs on SMS alerts, OTPs or calls, Sinch covers channels HexaFloww doesn’t.

HexaFloww

  • WhatsApp, email, Instagram, Messenger and TikTok
  • No SMS, RCS, voice or verification

Sinch

  • Global SMS and RCS
  • Voice API and in-app voice and video SDKs
  • Verification APIs

Verdict: Sinch wins on channel breadth.

Area 08 · Scale

Sinch

Global scale for developers

For product teams sending worldwide, Sinch’s network and APIs are the point.

HexaFloww

  • REST API to create and update contacts
  • Connectors for Shopify, HubSpot and form tools
  • Not a general-purpose messaging API

Sinch

  • 600+ direct operator connections
  • Claims 99.99% uptime across 60+ countries
  • 100 billion+ calls completed a year

Verdict: Sinch wins for developers sending at global scale.

Who should choose which

Pick by business type.
And where Sinch wins.

D2C & Shopify brands

HexaFloww

WhatsApp campaigns, cart messages, email and Instagram DMs without a developer.

HexaFloww for e-commerce

Clinics & salons

HexaFloww

WhatsApp booking with reminders, AI replies and Google reviews.

HexaFloww for healthcare

Marketing agencies

HexaFloww

Separate client projects on one plan, each with its own channels.

HexaFloww for agencies

Schools & institutes

HexaFloww

Admissions campaigns on WhatsApp and email, with Instagram enquiries in one inbox.

HexaFloww for education

SaaS & app developers

Sinch

Messaging, verification and voice embedded directly in your own product.

Global enterprises

Sinch

Very high volume across many countries and channels.

Where Sinch is the better choice

A useful comparison is clear about our own gaps too.

Every channel

SMS, RCS, voice, video, verification and email from one provider.

Developer platform

APIs, SDKs and serverless Functions to build any workflow.

Global network

600+ direct operator connections across many countries.

Email specialists

Mailjet and Mailgun for marketing and developer email.

Migration

Switching from Sinch?
Six steps, one afternoon.

If you built a campaign tool on Sinch, moving to HexaFloww means replacing that code with a ready-made app.

  1. 01

    Export your contacts

    Export contacts and opt-in status from your own database or Sinch-based tool as a CSV.

  2. 02

    Keep your opt-outs

    Import opt-outs to HexaFloww’s suppression list so they’re never messaged.

  3. 03

    Import and map fields

    Import the CSV and map each column to a contact field.

  4. 04

    Move your number

    Disconnect your WhatsApp sender from Sinch, then connect it to HexaFloww.

  5. 05

    Sync your templates

    Sync your approved templates from Meta or re-submit any that don’t carry over.

  6. 06

    Send your first campaign

    Build a segment, schedule a campaign and add an email follow-up.

Tip: Keep Sinch for SMS, OTPs or voice if you use them. HexaFloww can handle the marketing side alone.

FAQ

HexaFloww vs Sinch.
Questions people ask.

Still have questions?Talk to us

Yes, if you want to market on WhatsApp and email without building software. HexaFloww gives you campaigns, a shared inbox, AI replies and journeys out of the box. If you’re a developer embedding SMS, voice or verification into your own app, Sinch is the better fit.