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Best Email on Acid Alternatives in 2025: Find Your Perfect Email Testing Tool
June 10, 2025
Email on Acid has been a popular choice for email testing and preview across multiple email clients, but it's not the only option available. If you're looking for alternatives that offer better features, more affordable pricing, or a different approach, we've got you covered. Here's our honest comparison of the top Email on Acid alternatives.
What is Email on Acid?
Email on Acid is a comprehensive email testing platform that offers email preview testing across 100+ devices and email clients, including dark mode testing. It provides tools for testing email rendering, accessibility, and deliverability with features like Campaign Precheck and analytics.
However, Email on Acid has some limitations that might make you look elsewhere:
- High pricing starting at $74/month for basic features
- Complex feature segmentation across different plans
- No AI-powered analysis or recommendations
- Limited accessibility testing compared to modern standards
- Requires technical setup for advanced features
- No personal email agent functionality
- Annual billing required for best pricing
- Separate pricing for different products (Campaign Precheck, Email Testing, etc.)
Top Email on Acid Alternatives
MailMoxie - Our Top Pick
RecommendedMailMoxie revolutionizes email testing with AI-powered analysis that actually understands email marketing. Instead of just showing you how emails render, MailMoxie provides actionable recommendations to improve your emails and boost deliverability.
Key Features:
- AI-Powered Analysis: Your personal email expert that understands marketing and transactional emails
- Unlimited Email Tests: No monthly limits on testing your campaigns
- 50+ Spam Trigger Testing: Comprehensive analysis of spam triggers and deliverability issues
- Advanced Accessibility Testing: WCAG 2.1 AA compliance testing for inclusive email marketing
- Subject Line Optimization: AI-powered suggestions to improve open rates
- Instant Results: Get detailed reports in seconds, not minutes
- Personal Agent Email: Send emails to your own MailMoxie agent address
- Simple Pricing: One plan, one price, no complex tiers or feature segmentation
Pricing:
Free Trial1 test
No credit card required
Pro$20/month
Unlimited email tests • Priority support
Email on Acid
Email on Acid offers comprehensive email testing with preview across 100+ devices and email clients, including dark mode testing and accessibility features.
Key Features:
- Email preview testing across 100+ devices and clients
- Dark mode testing capabilities
- Campaign Precheck workflow
- Email analytics and insights
- Accessibility testing (basic)
- Image validation tools
- Inbox display testing
- API integration capabilities
- SOC 2 type 1 compliant security
Pricing:
Campaign Precheck:$74/month
Email Testing:$74/month
Email Analytics:$74/month
Email Accessibility:$74/month
Annual billing required for best pricing • Separate pricing for each product
Other Alternatives
Litmus
Email testing and preview across multiple email clients
Starting at $99/month
PutsMail
Free email testing tool by Litmus
Free (limited features)
Mail Tester
Email deliverability and spam testing
Starting at $29/month
Why Choose MailMoxie Over Email on Acid?
Simple, Affordable
MailMoxie offers a free trial and a simple $20/month Pro plan with unlimited tests, while Email on Acid charges $74/month for each individual product (Campaign Precheck, Email Testing, Analytics, etc.).
AI-Powered Insights
While Email on Acid shows you how emails render, MailMoxie provides AI-powered recommendations that actually help you improve your emails and boost deliverability.
Simpler Product Structure
MailMoxie has one comprehensive platform, while Email on Acid segments features across multiple products, each requiring separate subscriptions.
Advanced Accessibility Testing
MailMoxie includes comprehensive WCAG 2.1 AA compliance testing, ensuring your emails reach all your audience members, including those with disabilities.
Final Verdict
While Email on Acid offers solid email preview testing features, MailMoxie provides a more comprehensive, AI-powered solution that's completely free and doesn't require multiple product subscriptions.
If you're looking for actionable insights to improve your email performance rather than just rendering previews, MailMoxie is the clear winner. Plus, with no credit card required and no time limits, there's no risk in trying it out.
Disclosure: This comparison is based on publicly available information and our own testing. Pricing and features may change. We recommend trying multiple tools to find the best fit for your specific needs.
MailMoxie
Professional email deliverability, accessibility, spam score testing, and consulting services. Make sure your emails reach the inbox, not the spam folder.
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