Comparison

Email on Acid vs MailHog

On the evidence we track, Email on Acid leads this comparison with a composite score of 58/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Email on Acid58
MailHog43
Score
Vioscale score
Email on Acid58 / 100medium · 66%
MailHog43 / 100low · 19%
Pricing
Free tier
Email on Acid
MailHog
Model
Email on Acidcommercial
MailHogcommercial
Price level
Email on Acidhigh
MailHog
Starting price
Email on Acid$99
MailHog
Transparent
Email on Acid
MailHog
Security
Gdpr
Email on Acid
MailHog
Iso27001
Email on Acid
MailHog
Scorecard
Email on Acid
MailHog2.6
Soc2
Email on Acid
MailHog
Reliability
Sla pct
Email on Acid99.9
MailHog
Adoption
Dependent repos
Email on Acid
MailHog11
Github stars
Email on Acid
MailHog16,138
Activity
Commits last 30d
Email on Acid
MailHog0
Release
Cadence days
Email on Acid
MailHog11
History
Email on Acid
MailHog20 items
License
Spdx
Email on Acid
MailHogMIT
Language
Primary
Email on Acid
MailHogGo
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for email testing dev. “-” means undocumented, not absent.

Capabilities
API assertions
Email on Acid
MailHog
Rendering preview
Email on Acid
MailHog
Spam score check
Email on Acid
MailHog
Blocklist deliverability check
Email on Acid
MailHog
SMS testing
Email on Acid
MailHog
Production sending addon
Email on Acid
MailHog
Ci cd integration
Email on Acid
MailHog
Multi user inboxes
Email on Acid
MailHog
Open source
Email on Acid
MailHog

What each one is

The product in its own terms, so the numbers below have context.

Email on Acid

Leader

Tests email campaigns across 100+ email clients and devices to identify rendering issues, validate content for inbox compatibility, check accessibility compliance, and detect deliverability problems before sending.

Independently observed

MailHog

MailHog intercepts and stores SMTP messages during development, providing a web UI and JSON API for viewing and managing test emails, with the option to forward messages to real mail servers.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Email on Acid

Leader
from $99/moSubscription7-day trial

From $99/month. 7-day free trial.

  • Basic$99/month, $0.15 per preview overage
    • 1,000 email previews per month
    • 100+ email preview clients and devices
    • Unlimited users
    • API access
    • Overage charges for additional previews
  • Premium$199/month
    • 2,000 email previews per month
    • 100+ email preview clients and devices
    • Unlimited users
    • Accessibility tests (WCAG 2.2 / European Accessibility Act compliance)
    • HTML code analysis
    • +2 more
  • CustomContact sales
    • Custom preview allotments
    • Phone and chat support
    • Dedicated support documentation
as of verify ↗

MailHog

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Email on Acid
MailHog
macOS
Email on Acid
MailHog
Linux
Email on Acid
MailHog
Deployment
Cloud / SaaS
Email on Acid
MailHog
Self-hosted
Email on Acid
MailHog

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.