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Comparison

HexaFloww vs MSG91: Ready Campaigns vs Message APIs

MSG91 is an Indian cloud communication platform for SMS, OTP, WhatsApp, email, RCS and voice, priced per message. 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 MSG91 comparison: Indian SMBs, D2C brands and agencies that want a ready-made WhatsApp, email and social marketing suite.
The short answer

HexaFloww or MSG91?
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 in one rupee plan from ₹999/month. Choose MSG91 if you need SMS, OTPs, RCS or voice at low per-message rates, built into your product through APIs.

See the full comparison
4 areas where HexaFloww comes out ahead
2 ties where it depends on your business
2 areas where MSG91 is stronger

Key takeaways

01

MSG91 is a communications platform priced per message; HexaFloww is a marketing app on a flat monthly plan.

02

MSG91 publishes India SMS rates from ₹0.25 down to ₹0.16 per message by volume, plus GST.

03

MSG91 covers SMS, OTP, RCS, voice and push, which HexaFloww doesn’t.

04

HexaFloww includes campaign safety rails, AI replies trained on your website and an Instagram, Messenger and TikTok inbox.

05

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

MSG91 is an Indian cloud communication platform that says it’s trusted by 30,000+ businesses and sends over 1.6 billion SMS a month. Its products include Hello (contact centre and chat), Campaign, Segmento, OTP, email, RCS and voice. HexaFloww is a marketing suite your team logs into.

This page compares the two on setup, WhatsApp campaigns, AI, local tools, the inbox, email, channels and developer use. HexaFloww is our product, so read it as an informed opinion. Every MSG91 fact is taken from MSG91’s own website.

Quick verdict

Two good tools.
Built for different jobs.

MSG91 is a solid, India-first messaging platform for SMS, OTPs and transactional messages at low per-message rates. HexaFloww is a finished marketing suite: WhatsApp campaigns with safety rails, email, a four-channel inbox, AI replies, 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 AI replies trained on your own website
  • Customers message you on Instagram, Facebook and TikTok
  • You take appointments or manage Google reviews
  • You want built-in rails that protect your WhatsApp number

Choose MSG91 if…

  • You send OTPs or transactional SMS
  • You need RCS, voice or push
  • You prefer to pay only per message sent
  • You have developers to integrate APIs
Side by side

HexaFloww vs MSG91.
Feature by feature.

Included Partial / add-on Not offered

WhatsApp

Official WhatsApp Business API

HexaFloww: Meta Cloud API, your own number

MSG91: WhatsApp API with bulk CSV sending

Campaign builder

HexaFloww: 4-step wizard with audience preview

MSG91: Campaign tool and broadcasts

Number-protection rails

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

MSG91: Not described on its website

WhatsApp booking

HexaFloww: Slots, reminders, Google Calendar sync

MSG91: Not listed

Inbox & AI

Shared inbox

HexaFloww: WhatsApp, Messenger, Instagram and TikTok

MSG91: Hello: contact centre, ticketing and chat

AI replies

HexaFloww: Trained on your website and documents

MSG91: Chatbot; AI replies not described

Lead scoring

HexaFloww: Buying intent scored on every chat

MSG91: Segmento customer data platform

Channels

Email

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

MSG91: Email with templates, SMTP/API and validation

SMS & OTP

HexaFloww: Not offered

MSG91: SMS from ₹0.16–0.25 each; multichannel OTP

RCS, voice & push

HexaFloww: Not offered

MSG91: RCS, voice with IVR, push notifications

Google reviews & SEO

HexaFloww: Review replies, posts, Search Console, GA4, SEO audit

MSG91: Not offered

Pricing & billing

Pricing model

HexaFloww: Flat plans from ₹999/month

MSG91: Pay per message, in rupees

WhatsApp fee (India)

HexaFloww: Meta fees billed separately, no markup

MSG91: About ₹0.86 marketing, ₹0.115 utility per message

Free trial

HexaFloww: 3 days, Growth features, no card

MSG91: Free sign-up; credits not stated

Area by area

8 areas.
Each with a clear winner.

Area 01 · Setup

HexaFloww

Setup: log in and market vs integrate APIs

HexaFloww is ready when you connect your number. MSG91 is at its best once your developers wire it into your app.

HexaFloww

  • Connect WhatsApp with Meta’s guided signup
  • Import contacts from CSV, Shopify, HubSpot or your phone
  • Send your first campaign the same day

MSG91

  • One API across SMS, WhatsApp, email and voice
  • Campaign and Segmento for marketers
  • OTP widget for app sign-ups

Verdict: HexaFloww wins for marketing teams without developers.

Explore WhatsApp marketing

Area 02 · WhatsApp campaigns

HexaFloww

WhatsApp campaigns with safety rails

Both can broadcast WhatsApp templates. HexaFloww adds automatic checks that keep your number healthy.

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 with real cost

MSG91

  • Bulk sending from CSV
  • Broadcasts and chatbots
  • No comparable number-protection rails described

Verdict: HexaFloww wins for running campaigns safely.

Browse WhatsApp templates

Area 03 · AI

HexaFloww

AI replies trained on your website

HexaFloww answers customers with AI trained on your own content. MSG91 offers chatbots but doesn’t describe AI auto-replies.

HexaFloww

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

MSG91

  • Chatbot for automated interactions
  • KnowledgeBase utility
“Do you have the 1 kg pack in stock, and do you deliver to Bhopal?”

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

MSG91

  • No booking calendar listed
  • No Google review or SEO tools

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

See WhatsApp booking

Area 05 · Inbox

Tie

Shared inbox: social DMs vs contact centre

Both give your team a shared place to answer customers.

HexaFloww

  • WhatsApp, Messenger, Instagram DMs and TikTok (Growth)
  • Facebook and Instagram comment replies
  • Assignment with an email to the assignee

MSG91

  • Hello: contact centre, ticketing and chat
  • Real-time conversation dashboards
  • Voice with call monitoring and browser calling

Verdict: A tie: HexaFloww for social DMs, MSG91 for ticketing and calls.

See the unified inbox

Area 06 · Email

Tie

Email: marketing campaigns vs sending infrastructure

Both send email, with different strengths.

HexaFloww

  • Drag-and-drop builder with A/B tests
  • Smart Send at each contact’s usual opening hour
  • Email and WhatsApp steps in the same journey

MSG91

  • Email templates and stats
  • SMTP and API sending
  • Email validation
“Email the sale to everyone, then WhatsApp the people who didn’t open it.”

Verdict: A tie: HexaFloww for marketing emails, MSG91 for transactional sending.

Explore email campaigns

Area 07 · SMS, OTP & voice

MSG91

SMS, OTP, RCS and voice: MSG91’s home ground

If your business runs on SMS and OTPs, MSG91 covers channels HexaFloww doesn’t.

HexaFloww

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

MSG91

  • India SMS from ₹0.25 down to ₹0.16 each by volume
  • Multichannel OTP verification
  • RCS, voice with IVR and push notifications

Verdict: MSG91 wins on channel breadth.

Area 08 · Developers

MSG91

APIs and volume

For product teams sending messages from their own app, MSG91’s APIs and scale are the point.

HexaFloww

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

MSG91

  • One API across channels
  • Claims 2.5 billion+ API calls a month
  • URL shortener, file hosting and reports

Verdict: MSG91 wins for developers sending transactional messages.

Who should choose which

Pick by business type.
And where MSG91 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

Restaurants & cafés

HexaFloww

WhatsApp offers, Google reviews and Instagram DMs in one place.

HexaFloww for restaurants

Apps & fintechs

MSG91

OTPs and transactional SMS at low per-message rates.

High-volume SMS senders

MSG91

Bulk SMS, RCS and voice through one API.

Where MSG91 is the better choice

A useful comparison is clear about our own gaps too.

SMS and OTP

Low published India SMS rates and multichannel OTP verification.

More channels

RCS, voice with IVR and push alongside WhatsApp and email.

Pay per message

No monthly plan needed if you send at low volume.

Developer APIs

One API across channels, built for very high volume.

Migration

Switching from MSG91?
Six steps, one afternoon.

Many teams keep MSG91 for OTPs and SMS and move marketing to HexaFloww. That move is mostly contacts, templates and a WhatsApp number.

  1. 01

    Export your contacts

    Export contacts and opt-in status from MSG91 or your own database 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

    Choose a number

    Use a separate WhatsApp number for marketing, or disconnect your current one from MSG91 and connect it to HexaFloww.

  5. 05

    Sync your templates

    Sync your approved marketing 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 MSG91 for OTPs and SMS if you use them. HexaFloww can handle the marketing side alone.

FAQ

HexaFloww vs MSG91.
Questions people ask.

Still have questions?Talk to us

For marketing, yes. HexaFloww gives your team WhatsApp and email campaigns, a social inbox, AI replies, bookings and Google reviews with no code. If you need SMS, OTP verification, RCS or voice through APIs, MSG91 is the better fit. Many businesses keep MSG91 for OTPs and use HexaFloww for marketing.

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