Twilio vs SlickText

EZ Texting

Klaviyo

SlickText

SlickText is an easy-to-use SMS marketing platform that helps businesses grow lists, send mass texts, automate customer journeys, engage customers, and track results. Built-in compliance tools, reliable deliverability, native integrations, and real human support help teams launch faster.

EZ Texting is an SMS marketing platform that enables businesses to send mass text and multimedia messages to their audiences. The software offers features including two-way conversational texting, automated workflows, contact management tools, and compliance safeguards that align with industry regulations. EZ Texting provides analytics capabilities that allow users to track campaign performance and optimize their messaging strategies.

Klaviyo is the all-in-one platform built to help B2C companies grow by integrating email/ SMS marketing, full-funnel analytics, and service in one solution. Powered by customer data and built-in AI, Klaviyo makes it easy to scale marketing automation and personalization across all your channels.

Head

Level of customer service - our issue with the US carrier is being handled for more than 2 weeks with no success. And Twilio is based in the US.Use of AI in Customer support - no result, tons of disappointment.

Manager

Their customer verification process is unnecessarily burdensome and inefficient. Despite providing complete details about my LLC, business purpose, and intended use case in my initial response, I received identical verification requests from three different support representatives [sensitive content hidden], each asking for the exact same information.

Customer Success Manager

It integrates with our system and they are responsive on the Support team.

The customer service was also good, and they were able to help me with any questions I had.

Twilio offers an API for phone services enabling companies to make and receive phone calls and send and receive text messages. It allows programmers to integrate various communication methods and to use existing web development skills and codes to solve communication problems.

2-Way Messaging

Access Controls/Permissions

Alerts/Escalation

Alerts/Notifications

Analytics

Archiving & Retention

Audio/Video Conferencing

Automated Attendant

Automated Responses

Automated Routing

Automatic Call Distribution

Automatic Outbound Dialer

Blended Call Center

Call Center Management

Call Conferencing

Caller ID

Call Logging

Call Monitoring

Call Recording

Call Routing

Call Scripting

Call Tagging

Call Tracking

Call Tracking Metrics

Campaign Management

Chatbot

Chat/Messaging

Collaboration Tools

Compliance Management

Computer Telephony Integration

Conferencing

Contact Management

Data Management

Event Triggered Actions

Fax Management

Inbound Call Center

Live Chat

Manual Dialer

Mass Texting

Message Personalization

Mobile Alerts

Mobile Coupons

Mobile Keywords

Multi-Channel Communication

Multiple Scripts

Natural Language Processing

On-Demand Recording

Online Voice Transmission

Outbound Call Center

Performance Management

Phone Key Input

Polls/Voting

Purchasing & Receiving

Queue Management

Real-Time Chat

Recording

Reminders

Reporting/Analytics

Reporting & Statistics

ROI Tracking

Scheduled Messaging

Scheduled Recording

Shortcodes

SIP Trunking

SMS Marketing

SMS Messaging

Speech Recognition

Status Tracking

Text to Speech

Text-to-Win

Third-Party Integrations

Unified Communications

Video Conferencing

Voice Customization

Voice Mail

Voicemail Transcription

VoIP

VoIP Connection

Workflow Management

By industry, Twilio reviewers are most commonly professionals in computer software (20%). The most frequent use case for Twilio cited by reviewers is SMS marketing (66% of reviewers).

Users and use cases

Some reviewers feel Twilio offers strong value for money due to its flexible, scalable pricing and competitive rates, but some users report that confusing pricing, escalating costs, and limited transparency can be drawbacks, especially for smaller businesses.

Value for money

The Twilio integrations most frequently cited by reviewers are: Zoho CRM (a CRM product rated 5.0 out of 5 for its integration with Twilio), Zendesk Suite (a help desk product, 4.5), and Zapier (an integration product, 4.7).

Integrations

Twilio is an SMS marketing tool offering key features such as SMS messaging, mass texting, API integration, scheduled messaging, and message personalization, among others.

Twilio

Windows

Web-based

Linux

RingEX

CallHippo

Bird

Telnyx Suite

CallRail

Infobip

Nextiva

Google Voice

Constant Contact

Vonage Contact Center

RingCX

Ringover

Brevo Marketing Platform

Grasshopper

Twilio SendGrid Marketing Campaigns 

WhatsApp Business API

Voice APIs

Twilio SendGrid Email API

Lookup

Inconsistent performance and delays

66% of reviewers feel negative about Twilio’s performance and speed. Some users say they experience slow website loading times, sluggish user interfaces, and delays in onboarding or report generation. Reviewers indicate that technical support is often slow to respond, which can prolong resolution of service interruptions or glitches. Some reviewers mention disruptions due to server downtime or unreliable legacy integrations, while others find that the cloud-based nature of the service can be inconvenient if internet connectivity is unstable.

Challenging account handling processes

Developer

Our account kept getting disabled due to suspicious logins which was just me under a VPN and had quite a few days of downtime because support wouldn't believe it was me.

Owner

So you do that believing you will be able to use the service, and then they immediately restrict your account pending management review that takes days.

54% of reviewers feel negative about Twilio’s account management. Some users report frequent account suspensions, confusing verification procedures, and difficulties with authentication setup. Reviewers indicate that support response times are slow, especially when resolving urgent account issues or handling suspensions. Some reviewers find the process of managing different account types and configuring sub-accounts confusing, while others mention frustration with unexpected account holds, complicated billing, and a lack of clear communication from support.

Consistent and dependable service

Support Head

Twilio has a robust and reliable platform, ensuring high uptime and reliable message delivery.

Undergraduate

The reliability of this is high, Quality of the call is good and has an efficient support service.

89% of reviewers feel positive about Twilio’s reliability. Some users report that the platform delivers high uptime and dependable message delivery, which they consider crucial for business communications. Reviewers indicate that Twilio consistently provides stable service, and many mention years of uninterrupted use across various organizations. Some reviewers find the platform’s reliability reassuring for mission-critical operations, while others appreciate the secure and robust infrastructure that supports their communication needs.

Versatile voice and messaging APIs

Software Engineer

Twilio provides the layer of programmable voice api, it means you can use their sdk to build an messaging and calling application easily, it starts cheap and for small scale of application, it is very good.

Instructor

With its simple APIs, I was able to add messaging, voice, and video functionality without complex coding or infrastructure setup.

91% of reviewers feel positive about Twilio’s voice and messaging capabilities. Some users say Twilio offers a broad set of APIs for integrating SMS, voice calls, video, and even WhatsApp into their applications. Reviewers indicate that the platform’s features—such as call recording, text-to-speech, virtual phone numbers, and programmable workflows—make it easy to build custom communication solutions. Some reviewers find the APIs simple to use and highlight the platform’s flexibility, which allows them to quickly deploy messaging and voice features without complex infrastructure.

Unified multichannel communication

Managing Director & Software Developer

Scalability: Twilio is designed to handle high volumes of traffic, making it a good choice for organizations that need to send or receive large numbers of communications on a regular basis.

89% of reviewers feel positive about Twilio’s communication platform. Some users report that Twilio enables them to manage all communication channels—such as calls, video, messaging, and chat—from a single, unified system. Reviewers appreciate the platform’s flexibility to integrate with other business tools and CRMs, which they say streamlines workflows and improves operational efficiency. Some reviewers find that Twilio’s scalability supports both small and large-scale communication needs, while others value the ability to personalize customer interactions and manage global communications seamlessly.

Technical Project Manager

The slow support response caused unnecessary delays to our project and prevented us from using the platform as planned. While Twilio has excellent technology, the onboarding experience needs significant improvement for business customers.

Digital Systems Manager

On the whole, we do appreciate the ability to send SMS out to our constituents and once the connections are setup, it is set it and forget it, but the initial setup is difficult.

The integration process is well designed, and the available SDKs make it easy to build SMS, voice, and WhatsApp features into applications.

Backend Developer

We used Twilio for OTP and notification messages in one of our project  , and the message delievery was quite consistent.

Twilio offers a comprehensive set of communication APIs with excellent documentation and a developer-friendly platform.

Digital Marketing Specialist

We use Twilio for automating the confirmation texts for our clients’ workshop sign-ups, feedback loops, etc.

Founder

They have the best UI for omnichannel messaging for SMS, MMS, RCS, WhatsApp and conversational AI.

Head of digital

We received some programmable wireless SIMs and Super SIMs for IoT devices from our IoT partner that were already set up in Twilio. When we received these saying they were Twilio products, these products have been migrated to Kore (a different company who acquired Twilio's IoT products) but most of the functions can still be handled through Twilio.

The phone number I purchased has been unusable (returning busy signals when called) while this verification process drags on. When I attempt to test my configured flow, it doesn't work, likely because the account verification is pending.

On top of that, the platform is poorly usable, unnecessarily complex, and the documentation does not help with real-world implementations.

Remote OPI and VRI Interpreter

I found the platform to be very simple but intuitive and at the same time fast and concise as an analyzer of the system data needed to apply for certain jobs that needed specific system requirements.

This results in wasted development time, increased costs, and a lack of trust in the platform for production use.

It also allowed the onboarding team to speed up the verification of requirements in order to continue with the processes without further delays.

It has a huge amount of features that you can use to communicate with your customers, whatever you are thinking about, it's here

Customer service representative

for the most part twilio was a good source thru my employer and communicating with customers and the leniency to make the calls

Pricing also started feeling a bit high as usage increased.

VP of Marketing

It offers powerful APIs that let you easily build and customize omnichannel campaigns.

Many of the reliability issues we have experienced with Twilio are easily reproducible and solvable but Twilio does not invest in resolving these issues or are not capable.

I use it because it is the resource that several other services I need uses to integrate messaging services. If there was a better option I'd probably go with that.

After the initial setup , it worked reliably for our need.

We use Twilio to send automated texts for bookings through an API.

Director, DX

Twilio has pretty broad integrations across a variety of platforms.  

Lead Developer

Their asynchronous tasks rarely completely in the browser, the web interfaces glitches and flickers randomly, and the error messages are minimal and require getting in touch with their cookie cutter customer support team (zendesk).

Twilio also has a wide range of features like phone numbers, SMS, MMS, chat, video, and more that can all be implemented in just a few lines of code.

I attempted to set up a simple Twilio phone system for a family cabin gate entry solution.

Director of IT

We don't use all the features, but love knowing it can do so much when and if we do need it.

Junior Accountant

It allowed me to sync multiple communication channels.

IT Coordinator

Twilio makes it easy to configure campaigns for phone numbers and services.

The platform is rock-solid reliable, the features are enterprise-grade, and the convenience of the cloud-based APIs accelerates development timelines.

For a company that promotes itself as developer-friendly with seamless integration, the customer support experience has been anything but smooth.

Operations

Created a central portal for customer acquisition and management.

There's a learning curve, particularly if you're not accustomed to APIs or cloud-based communication logic in general.

Account Executive

As a salsa professional, it checked all of the boxes for my team and I. We could record calls with ease, received awesome call quality, and made our lives very easy.

AI support can be tricky to get through if you're trying to create a ticket and get human attention.

Programmer

They deny without reason sometimes, and other times they just sit on the verification.

Outreach Director

It allows for secure access and connection to the team.

Twilio vs SlickText Comparison (2026)

Twilio

SlickText

Overview

Video & Screenshots

Pricing

User reviews

Key features

Integrations

Alternatives