ColdIQ
API
BenchmarksSkillsPricingImplementation
Get a DemoGet Started

All there is to know about the latest prospecting techniques.

Growth

AgencyInboxesGrow your revenue

Ressources

Tech StackVideo ContentCase StudiesBlogWe're Hiring

GTM Tools

FREE GTM ToolsColdIQ Exclusive DealsAI Sales ToolsLinkedIn ToolsSales ToolsData SourcesAI Marketing ToolsAI AgentsContact us

Free Tools

Email FinderMobile FinderEmail Spam CheckerFind Similar Companies

Get in Touch

Get in touch@MichLiebenMichel Lieben@MichLieben

Copyright 2026 © Cold IQ LLC.

Terms of ServicePrivacy Policy

All rights reserved.

Home→Tools→Email on Acid

Email on Acid Review

Email on Acid

Email on Acid

Email Pre-Deployment Checklist

Claim the Product
Get Email on Acid

Email on Acid helps email marketers and developers build, test, optimize, and collaborate on email campaigns. It provides unlimited email previews across numerous clients and devices, optimizes email content, checks deliverability, and tracks campaign analytics.

Email Spam Tester
ColdIQ Marketplace

Run every tool in your GTM stack from one API

Stop stacking subscriptions. Call every data provider - emails, phones, enrichment, intent - from Claude Code, billed by credits, on a single API key.

Free to start. No credit card required.

Get Started
ColdIQ

Run GTM from Claude Code with ColdIQ.

Stop managing 39 tools. Ship GTM from Claude Code with ColdIQ.

Get started

Email on Acid Core Capabilities

Unlimited email previews on devices
End-to-end content and deliverability checks
Deep insights and campaign analytics

Links

Visit Website

Social

LinkedInLinkedIn

Pricing

From$74.00/yr
BillingPer seat
TrialAvailable

Who is Email on Acid for?

Startups
SMBs
Mid-market
Enterprise

Is Email on Acid easy to use?

5m30m1h2h3hCustom

What are Email on Acid alternatives?

Litmus
Litmus
Email Marketing Made Better
View
Pricing: Starting at $500.00
Trial: Available, 7 days of trial.
Email Spam Tester
InboxAware
InboxAware
Email deliverability and inbox placement analytics
View
Pricing: Starting at $200.00
Trial: Trial isn't available.
Deliverability Infrastructure
AI Dashboards & Reporting
Zerobounce
Zerobounce
Email Validation Service andDeliverability Toolkit
View
Pricing: Starting at $99.00
Trial: Available, 100 days of trial.
AI Email Deliverability
Email Verification
Data Validation & Verification
Email Validation APIs
Email Verification APIs
Email Checker APIs
Postmark
Postmark
Fast, reliable transactional email delivery service
View
Pricing: Starting at $15.00
Trial: Available, no credit card required.
Deliverability Infrastructure
Automated Email Campaigns
Transactional Email Services
Email APIs
Marketing Automation APIs
Email Marketing APIs
Mailgun
Mailgun
Transactional email delivery, validation, optimization API
View
Pricing: Starting at $15.00
Trial: Available, 30 days of trial.
Email Sender
Deliverability Infrastructure
Email Spam Tester
Email Verification
Transactional Email Services
Email APIs
Mail-Tester
Mail-Tester
Newsletters spam test
View
Pricing: Starting at $8.90
Trial: Trial isn't available.
Email Spam Tester
Featured
Instantly

Instantly

Cold Email Software

Find warm leads with filters
Scale outreach with unlimited emails
Boost deliverability and sender reputation
Starting at $42.3Learn More

What is Email on Acid

Email on Acid is an email testing tool designed to help marketers build, test, and optimize email campaigns. It fits into the email marketing category and stands out by offering unlimited previews on over 100 devices and email clients, including dark mode. This ensures emails look perfect everywhere and reduces errors in campaigns. The tool shines in situations where flawless email rendering is critical, such as large campaigns or time-sensitive promotions. Users can start seeing accurate preview results in under 10 seconds, cutting down QA time significantly and improving efficiency. Email on Acid integrates smoothly into the go-to-market stack as an essential email QA and analytics platform. It complements CRMs and email delivery tools by providing deep insights and pre-send checks. However, it is not designed for building emails from scratch or managing contact lists. Its focus is strictly on testing and optimizing email content and deliverability.

Ideal Customer Profile

Email on Acid is recommended for email marketers and developers who want to build, test, and optimize flawless email campaigns quickly. Companies like MailNinja use it to ensure their emails look great on every device and inbox.

StartupsSMBsMid-marketEnterprise

Key Features

Unlimited email previews on devices
End-to-end content and deliverability checks
Deep insights and campaign analytics
Fast preview results and uptime
SOC 2 Type 1 compliant security
Streamlined multi-step testing workflow

Pricing

Email on Acid offers three annual plans starting at $74/month with a 7-day free trial: The Basics includes 1 user, unlimited previews and projects, and partial content checks. The Premium plan, at $134/month, adds 3 users, full content checks, email analytics, and deliverability checks. Enterprise pricing is custom, featuring advanced permissions, API access, custom email analytics, and all Premium features with flexible user counts.

Starting price$74.00
TrialAvailable

The Basics

$74.00

Per Team, Annually

It includes

  • 7-day free trial
  • 1 user included
  • unlimited previews
  • unlimited projects
  • partial content check
  • pay by ACH/check

Premium

$134.00

Per Team, Annually

It includes

  • 7-day free trial
  • 3 users included
  • unlimited previews
  • full content check
  • email analytics
  • deliverability checks

Enterprise

Contact Sales

Per Workspace, custom

It includes

  • custom users
  • unlimited previews
  • API/integration access
  • advanced permissions
  • custom email analytics
  • all Premium features

Don't want a Email on Acid subscription?

Get Email on Acid and your whole GTM stack from one API key with ColdIQ.

Get started

How simple is Email on Acid setup?

5m30m1h2h3hCustomIntermediateComplexity

Email on Acid requires basic configuration, such as connecting your email accounts and adding code snippets, which can be completed solo in minutes. Once set up, you can start testing and optimizing your email campaigns immediately with their streamlined platform.

Frequently asked questions

How to use Email on Acid?
Build, test, optimize, and collaborate on email campaigns with unlimited previews for 100+ devices to ensure perfect display every time.
How much is Email on Acid?
Plans start at $74/month billed annually for Basics, $134/month for Premium, with custom pricing for Enterprise solutions.
Why choose Email on Acid?
Reduce QA time, maximize engagement, and drive ROI using the industry-leading email testing, analytics, and deliverability tools.
How does Email on Acid work?
Preview emails on 100+ devices, run content, deliverability checks, and access deep analytics to optimize campaign performance.
Is Email on Acid free?
Email on Acid offers a 7-day free trial to test all features before committing to a paid plan.
Is Email on Acid a partner?
Yes, Email on Acid integrates via API and offers white-label analytics for seamless platform partnerships.
How to learn Email on Acid?
Access helpful documentation, help center, blogs, and resources including white papers and case studies for quick learning.
What are Email on Acid alternatives?
Popular alternatives include Litmus, Mailtrap, and PreviewMyEmail that also offer email testing and analytics.
What are Email on Acid reviews?
Users praise Email on Acid for fast previews, comprehensive testing, ease of use, and excellent customer support.
Does Email on Acid have an API?
Yes, the Enterprise plan includes API access for advanced integration and automation capabilities.
Does Email on Acid have a trial or a demo?
Yes, a 7-day free trial is available and custom demos can be requested for personalized walkthroughs.
Ask aboutEmail on AcidEmail on Acid
Featured
Cobl

Cobl

Proposals that win, built from your real sales context.

Connectors / Files
Memory & Knowledge reuse
Style extractor
Starting at $29Learn More