SMS Platform Evaluation

SMS Campaign
Platform Options

A side-by-side comparison of four SMS platforms to replace Sinch, evaluated for reliability, Zoho CRM compatibility, campaign features, and ease of setup.

Prepared April 2026 Prepared by Melleka Marketing 4 Platforms Evaluated

Where Things Stand Today

An overview of the current Sinch pain points and the migration work already completed.

Current Pain Points (Sinch)

Platform glitching and unreliable SMS delivery
Inconsistent campaign execution affecting prospect outreach
Need for a stable, long-term SMS solution

Migration Work Completed

Main SMS campaigns recreated from Sinch templates into Zoho Campaigns
Zoho CRM module sync with Zoho Campaigns configured and ready to activate
Contact data sync on hold — waiting for platform decision before activating

Ready to Launch Once a Platform is Chosen

The campaign templates and CRM sync are already in place for the Zoho Campaigns native option. If a different platform is chosen, the template content can be migrated to that platform.

Templates Recreated
CRM Sync Ready
Awaiting Platform Decision

Feature Comparison at a Glance

How each platform stacks up across the features that matter most for SMS campaign management within Zoho CRM.

Feature Zoho Campaigns Twilio + Zoho SMS-Magic GoHighLevel Sinch Engage Current
Zoho CRM Integration Native Via Extension Deep Middleware Deep
Bulk Campaigns Basic Good Up to 50K Excellent Large Sends
SMS Templates Yes Yes Yes Yes Yes
Two-Way Messaging Limited Yes Yes Yes Yes
WhatsApp Support No No Yes Yes Yes
Setup Ease Easy Moderate Complex Steep Easier
Pricing Transparency Clear Pay-Per-Use Layered Hidden Costs Layered
Reliability vs Sinch Lower Risk Very Reliable Better Rep Reliable Current Platform

A Closer Look at Each Option

Detailed pros, cons, and ideal use cases for each platform under consideration.

Zoho Campaigns
Native
The "stay in ecosystem" route. Zoho's own email and SMS campaign tool with direct CRM integration and zero middleware required.

Strengths

  • Seamless Zoho CRM sync — contacts, segments, and data flow directly with no middleware
  • Deep integration with Zoho Analytics, Survey, and other Zoho apps
  • CASL, GDPR, and CAN-SPAM compliance built in
  • Clear, straightforward pricing — strong value for the cost
  • One vendor, one support team — no third-party finger-pointing

Limitations

  • SMS features are basic — primarily an email platform that added SMS
  • Limited two-way messaging capabilities
  • No WhatsApp support
  • Templates not always fully customizable
  • Some reports of slow customer support response times
Best for

Teams that want simplicity, are already deep in the Zoho ecosystem, and don't need advanced SMS automation or two-way messaging.

Twilio + Zoho
Marketplace
Industry-standard SMS backbone plugged directly into Zoho CRM via the Marketplace extension. The infrastructure that GoHighLevel itself runs on.

Strengths

  • Very reliable delivery infrastructure — industry backbone for SMS
  • One-on-one and bulk SMS across leads, contacts, accounts, and deals inside Zoho
  • All messages logged as related records — clean CRM data
  • Pay-as-you-go pricing — no large monthly platform fee on top of Zoho
  • Two-way messaging supported

Limitations

  • More technical setup — Twilio account config, A2P registration, phone number setup
  • Marketplace extension depends on a third-party vendor's roadmap
  • Costs can be unpredictable at scale with pay-as-you-go
  • Rich bulk campaign features (drip sequences, segmentation) require more configuration
  • No WhatsApp support
Best for

Teams that want a reliable, well-known SMS backbone inside Zoho CRM and have some technical comfort with initial setup.

SMS-Magic
Zoho Marketplace
A purpose-built messaging platform from the Zoho Marketplace. Supports WhatsApp, SMS/MMS, drip campaigns up to 50K contacts, and a unified inbox — all inside Zoho.

Strengths

  • Deep Zoho-native integration — everything stays inside the Zoho window
  • Bulk drip campaigns to up to 50,000 records with branded URLs and open/click tracking
  • Two-way SMS/MMS plus unified inbox with full 360-degree contact history
  • Omnichannel: SMS, MMS, WhatsApp, Facebook Messenger
  • Built-in compliance management with opt-in/opt-out keywords and consent audit trail
  • Ready-to-use branded templates for reminders, billing, alerts, and FAQs
  • 840+ reviews on Zoho Marketplace — strong trust signal

Limitations

  • Setup complexity is the number one complaint — steep learning curve, many moving parts
  • Pricing is layered: subscription + SMS packs + number rental + 10DLC registration fees
  • Not ideal for small teams on a budget
  • Some inconsistent support experiences reported
  • Third-party tool dependency (same risk category as Sinch)
Best for

Mid-market Zoho teams that need deep CRM-native messaging with WhatsApp and can absorb a more complex onboarding process.

GoHighLevel
Standalone
A powerful all-in-one communication platform. Built to replace a CRM, not sit alongside one — would run in parallel with Zoho and require middleware to sync.

Strengths

  • True two-way communication with unified inbox for all conversations
  • Complex multi-channel automation sequences with conditional logic
  • 200+ features shipped in 2025, unlimited contacts on every plan
  • Keyword-based automated SMS replies for lead engagement
  • WhatsApp support included
  • Excellent bulk campaign capabilities

Limitations

  • No native Zoho CRM integration — requires Zapier or Make middleware to sync contacts
  • Uses Twilio under the hood with additional per-message costs not clearly disclosed upfront
  • 2-4 week setup period; some reports of slow page load times
  • Built to replace a CRM, not complement one — running two systems in parallel adds complexity
  • Overkill if the primary need is SMS campaigns
Best for

Businesses considering replacing Zoho CRM entirely, or teams that want the most powerful automation builder and don't mind managing two platforms.

Which Platform Fits Your Priority?

Match your top priority to the platform that best addresses it.

If the priority is...
Simplicity and Speed
Zoho Campaigns is the fastest path — templates are already recreated and CRM sync is ready to activate. No new vendor, no new learning curve.
If the priority is...
Maximum Reliability
Twilio + Zoho gives you the industry-standard SMS backbone (the same infrastructure GoHighLevel runs on) plugged directly into your CRM.
If the priority is...
Feature Depth + WhatsApp
SMS-Magic offers the richest feature set inside Zoho — bulk drip campaigns, unified inbox, WhatsApp, and full compliance tools. Requires dedicated setup time.
If the priority is...
Most Powerful Automation
GoHighLevel has the strongest automation builder and unlimited contacts, but requires running a second platform alongside Zoho with middleware to sync.

Moving Forward

Once a platform is chosen, here's the path to getting SMS campaigns live.

1

Select a Platform

Review the comparison above, weigh priorities (reliability, features, simplicity, budget), and decide which platform to move forward with.

2

Activate CRM Sync / Complete Setup

For Zoho Campaigns: activate the sync that's already configured. For other platforms: begin account setup, A2P registration, and CRM integration.

3

Migrate Templates and Test

Transfer or adapt the SMS campaign templates (already recreated from Sinch) into the chosen platform. Send test messages to verify delivery and formatting.

4

Launch and Monitor

Go live with the first campaign batch, monitor delivery rates and engagement, and decommission Sinch once everything is running smoothly.