Email on Acid vs Zoho Desk

by Gralio Feb 06, 2025

Email on Acid and Zoho Desk cater to different needs. Email on Acid excels in email testing, previewing, and deliverability. Zoho Desk offers a comprehensive customer service platform encompassing various communication channels. Choose Email on Acid for email marketing optimization; opt for Zoho Desk if you require a broader customer service solution.

At Gralio.ai we help to simplify your decision-making process by offering detailed, side-by-side software comparisons like this one, to help you confidently choose the tool that aligns with your business goals.

This comparison was created by analysing 4646 reviews and 60 websites, saving 1 day, 2 hours, 18 minutes of reading.

Email on Acid

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Zoho Desk

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About

Email on Acid is now part of Sinch, a company offering a range of communication tools including messaging, email, and voice solutions. Sinch provides businesses with various APIs and applications for marketing, customer support, and operational needs. Their services help businesses connect with customers through email and mobile channels.

Zoho Desk is a cloud-based customer service software designed to help businesses of all sizes manage customer interactions. It offers a suite of tools including phone, email, live chat, SMS text, and social media management, all within a single platform. Zoho Desk focuses on providing a comprehensive yet affordable solution, allowing businesses to streamline their customer service operations and improve customer satisfaction without breaking the bank.

Summary

Main difference

Email on Acid is purpose-built for email testing and previewing across various email clients, ensuring optimal display. Zoho Desk offers a broader suite of customer service tools including email, chat, phone, and social media management, making it a more comprehensive solution.

Relative strengths of Email on Acid (compared to Zoho Desk)

Focus on email deliverability and rendering optimization.
Unlimited email previews across a vast range of clients and devices.
Automated pre-deployment checks for accessibility and other potential issues.

Relative weaknesses of Email on Acid (compared to Zoho Desk)

Limited customer support channels compared to Zoho Desk's broader omnichannel approach.
Lacks the comprehensive suite of customer service tools offered by Zoho Desk, such as chat and phone support.
Simpler analytics and reporting compared to Zoho Desk's real-time dashboards and integrations.

What companies are using Email on Acid and Zoho Desk?

KLM

Forrester

The New York Times

No data

Who should use Email on Acid VS. Zoho Desk

Email on Acid, now part of Sinch, offers affordable email testing with unlimited previews across 100+ clients and devices. Users praise its user-friendly interface and fast rendering, but some experience occasional inaccuracies, especially on iOS. It's a cost-effective solution for businesses seeking comprehensive email testing and improved deliverability.

Zoho Desk offers a comprehensive and affordable customer service solution. Users praise its ease of use, excellent customer support, and seamless integrations with other Zoho products. However, some users mention issues with contact duplication and limited customization. Perfect for small to medium businesses needing an all-in-one customer support platform.

Best fit for small to medium-sized businesses.
Ideal for e-commerce, retail, education, manufacturing, marketing, and non-profits.

Ideal for small to medium-sized businesses seeking affordable yet robust customer support.
A good fit for various industries, especially software, IT, and telecommunications companies.

Email on Acid and Zoho Desk features

Supported

Partially supported

Not supported

Type in the name of the feature or in your own words tell us what you need

Omnichannel communication

Partially supported

Email on Acid focuses on email, but Sinch offers other channels for a broader strategy.

Supported

Zoho Desk provides unified multichannel customer support including email, chat, and social media.
Campaign Precheck

Supported

Email on Acid supports automated prechecks for accessibility, deliverability, and rendering issues.

Partially supported

Zoho Desk does not directly offer Campaign Precheck but Zoho Campaigns integration has some related email optimization tools.
Unlimited Email Previews

Supported

Email on Acid offers unlimited previews on over 100 email clients and devices, including dark mode.

Not supported

Zoho Desk does not appear to support unlimited email previews.
Zoho CRM integration

Not supported

Email on Acid does not support integration with Zoho CRM for syncing customer data and interactions.

Supported

Zoho Desk integrates seamlessly with Zoho CRM, facilitating bi-directional synchronization of customer data and interactions.
Real-time dashboards

Not supported

Email on Acid is primarily an email testing and analytics tool, it does not support real-time dashboards for monitoring customer service metrics.

Supported

Zoho Desk has built-in real-time dashboards for monitoring key customer service metrics. The dashboards provide a real-time snapshot of KPIs such as current ticket volume, agent response times, and resolution times. It also offers features like "Radar" for mobile monitoring of vital customer service stats in real-time.
Internal chat

Not supported

Email on Acid does not appear to have a built-in internal chat feature for users. The available sources primarily focus on its email testing and optimization capabilities, with no mention of user-to-user chat functionality.

Supported

Zoho Desk enables internal chat through features like instant messaging, internal help desk, and private comments for collaboration.

Qualities

Value and Pricing Transparency

No data

+0.05

Neutral sentiment
Customer Service

No data

+0.63

Rather positive sentiment
Ease of Use

No data

+0.82

Strongly positive sentiment
Reliability and Performance

No data

+0.54

Rather positive sentiment
Ease of Implementation

No data

+0.29

Neutral sentiment
Scalability

No data

+0.51

Rather positive sentiment

Email on Acid and Zoho Desk Pricing

Sinch offers pay-as-you-go pricing for their SMS services including one-way sending and numbers. They offer SMS enabled numbers with a setup fee and a monthly fee. There are additional fees for 10DLC, toll free numbers, and short code.

Plans

See full Pricing page

No data

User sentiment

Neutral

+0.05

We couldn't find a pricing page for Zoho Desk.

Email on Acid and Zoho Desk review insights

4646 reviews analysed from and

Users love

Affordable and offers unlimited testing, making it a cost-effective solution.
User-friendly interface with a straightforward testing process.
Fast email rendering previews across a wide range of email clients and devices.
Helpful HTML code analysis tool that identifies errors and provides suggestions.
Useful spam testing features to improve email deliverability.

Ease of use
Excellent customer support
The "Knowledge Center" is a great feature and allows clients to answer their own questions
Seamless integrations with other Zoho products, like Zoho CRM and Zoho Forms

Users dislike

Occasional inaccurate email rendering, particularly on iOS devices.
Some users report delays in preview generation, especially after HTML updates.
The user interface can be clunky and slow at times.
Limited customization options within the Design Editor.
Some users find the analytics reporting and aggregation tools to be limited.

Contact & Company name duplication while creating tickets by different agents
Limited customization in certain sections for automatic messages
Trial period should be 30 days and inactive days should not count towards the trial
Custom domain is just a redirect, users should stay on our own domain

Email on Acid and Zoho Desk Ratings

G2

4.5/5

(42)
Capterra

4.4/5

(26)
Glassdoor

3.6/5

(366)

G2

4.4/5

(2519)
Capterra

4.5/5

(2059)

Company health

Employee growth

1% decrease in the last year

22% increase in the last year

Web traffic

22% decrease in the last quarter

3% decrease in the last quarter

Financing

May 2024 - $2B

No data

How do Email on Acid's email preview capabilities compare to Zoho Desk's omnichannel communication features?

Email on Acid focuses specifically on email previewing, rendering, and deliverability testing across various email clients and devices. Zoho Desk, on the other hand, offers omnichannel communication features encompassing email, chat, social media, and phone within a customer service platform. While both involve email, Email on Acid is for ensuring emails display correctly and reach the inbox, while Zoho Desk uses email as one channel within a broader customer service and communication context.

Which product best integrates with existing CRM systems for a streamlined workflow?

Zoho Desk is the better choice for integrating with existing CRM systems, especially if that CRM is Zoho CRM. It offers seamless, bi-directional synchronization of customer data and interactions. While Email on Acid does not mention any CRM integrations, focusing instead on email preview and deliverability testing. Therefore, for a streamlined workflow with CRM, Zoho Desk is superior.

What are the advantages of Email on Acid?

Email on Acid's advantages include its focus on email marketing optimization, offering unlimited email previews across a wide range of email clients and devices, including dark mode. It also provides campaign tracking, accessibility checks, and automated pre-checks for deliverability and rendering issues. Users praise its affordability, user-friendly interface, and fast rendering previews.

What are the disadvantages of Email on Acid?

Email on Acid has some limitations. Users report occasional inaccuracies in email rendering, particularly on iOS devices. Some experience delays in preview generation, especially after HTML updates. The user interface is sometimes described as clunky and slow, with limited customization options within the Design Editor. Finally, the analytics and reporting tools are considered limited by some users.

Alternatives to Email on Acid and Zoho Desk

Zendesk Support Suite

Zendesk Support Suite is a customer service software solution designed to help businesses of all sizes provide excellent customer support. It offers a range of tools, including messaging, live chat, AI-powered automation, and a self-service help center. It aims to improve agent productivity, personalize customer interactions across various channels (like social media and email), and streamline workflows to increase efficiency. Zendesk emphasizes data-driven decision-making and boasts a user-friendly interface that integrates with numerous other business applications.

ValueFirst Email

ValueFirst Email is an enterprise-grade email marketing solution designed for large businesses. It enables users to send personalized email campaigns, manage subscriber lists, and track email performance metrics. The software focuses on providing reliable, high-volume email delivery and advanced analytics to help businesses optimize their email marketing ROI.

ROUTEE

ROUTEE is a cloud-based communication platform designed for businesses of all sizes. It offers a range of tools to help you connect with your customers more effectively, including SMS, voice, email, and messaging apps. You can use ROUTEE to send marketing messages, transactional messages, and even two-factor authentication codes. Its focus on automation and a variety of communication channels makes it a versatile tool for businesses looking to streamline their communications and improve customer engagement.

Re:amaze

Re:amaze is a customer service software that combines live chat, email, social media, and messaging into one platform. It helps businesses manage customer support across different channels, automate tasks like sending messages, and track customer interactions. Features include a knowledge base, customer satisfaction surveys, and integrations with popular business apps. Re:amaze is suitable for businesses of all sizes looking to streamline their customer service and improve efficiency.

Twilio SendGrid Email Marketing Campaigns

Twilio SendGrid Email Marketing Campaigns is an email marketing platform designed for businesses of all sizes. It allows you to create, send, and track targeted email campaigns. The platform emphasizes user-friendly design and segmentation tools, enabling you to personalize emails for different customer groups. It stands out with its focus on deliverability, ensuring your emails reach customer inboxes. Twilio SendGrid Email Marketing Campaigns provides detailed performance reports to help you understand what works and improve your campaigns over time.

Drag

Drag transforms your Gmail inbox into a collaborative workspace for your team. It allows you to manage emails, tasks, and even WhatsApp messages from a single, centralized location. With features like shared inboxes, automated workflows, and real-time performance tracking, Drag aims to streamline communication and improve team efficiency for various departments like Sales, Customer Support, HR, and Operations. It integrates seamlessly with Google Workspace and offers a free trial for those interested in exploring its capabilities.

Page co-authored by

Michal Kaczor

CEO at Gralio

Michal has worked at startups for many years and writes about topics relating to software selection and IT management. As a former consultant for Bain, a business advisory company, he also knows how to understand needs of any business and find solutions to its problems.

Tymon Terlikiewicz

CTO at Gralio

Tymon is a seasoned CTO who loves finding the perfect tools for any task. He recently headed up the tech department at Batmaid, a well-known Swiss company, where he managed about 60 software purchases, including CX, HR, Payroll, Marketing automation and various developer tools.

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