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Head-to-head · Email Analytics

Litmus vs Postmark

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Litmus #1 in Email Analytics 9.2/10 7-day trial Free trial✓ 0 of 3 features Visit Litmus
Postmark #3 in Email Analytics 7.8/10 Free plan Free plan✓ 0 of 3 features Visit Postmark

Litmus leads on 0 checks, Postmark on 1, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreLitmus · 9.2/10
  • Free planonly Postmark
  • Free trialonly Litmus

Litmus scores higher on our rubric for email analytics: 9.2 against 7.8 out of 10; our editors rank them #1 and #3.

Postmark offers free plan; Litmus doesn't.

Litmus is the better fit for teams testing and improving email before send. Postmark is the better fit for developers tracking transactional email activity.

  • Litmus fits best

    Teams testing and improving email before send

  • Postmark fits best

    Developers tracking transactional email activity

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Litmus 9.2/10 Visit ↗ Postmark 7.8/10 Visit ↗
At a glance
Editor score 9.2 7.8
Ranking #1 in Email Analytics #3 in Email Analytics
Best for Teams testing and improving email before send Developers tracking transactional email activity
Pricing model Paid Free plan + paid
Starting price — $15/mo
Free plan — ✓ (best)
Free trial 7 days —
Deployment Cloud, Browser extension Cloud
Platforms Web, Chrome extension Web
Support Email, Docs Live chat, Docs
Compliance SOC 2, ISO 27001, GDPR GDPR, 2FA
Integrations 12 integrations 12 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Litmus 0/3 · Postmark 0/3
Click tracking Not checked yet Not checked yet
Revenue attribution Not checked yet Not checked yet
Data export Not checked yet Not checked yet
Specs
Email volume limit Not checked yet Not checked yet
Reporting depth Not checked yet Not checked yet
Listed integrations Not checked yet Not checked yet
Our review
Pros
  • Preview emails across 100+ clients and devices
  • Check accessibility, links, spam signals, and email code before send
  • Monitor deployed emails with 24/7 Email Guardian
  • Tracks delivery, bounces, opens, and clicks at message level
  • Provides event webhooks for delivery and engagement activity
  • Offers REST API, SMTP sending, and inbound email processing
Cons
  • No free plan; the free trial lasts 7 days
  • Litmus Basic is limited to 1 full user
  • Its core emphasis is pre-send testing, not campaign analytics
  • Analytics focus on transactional activity, not broader campaign optimization
  • Basic starts at $15/month for 10,000 emails per month
  • Custom pricing applies to high-volume tiers
Our verdict

Litmus helps designers, developers, and marketing teams build emails, inspect how they render across more than 100 clients and devices, and catch issues before sending. Its toolkit spans visual and HTML editing, automated quality checks,…

Read the review →

Postmark is an email delivery service for application email, aimed at developers and organizations integrating email into their products. It supports sending through a REST API or SMTP, with separate streams for transactional and broadcast…

Read the review →
  1. LitmusEmail Analytics 9.27-day trial
  2. PostmarkEmail Analytics 7.8Free plan

Strengths and trade-offs

  • Litmus — where it wins

    • Preview emails across 100+ clients and devices
    • Check accessibility, links, spam signals, and email code before send
    • Monitor deployed emails with 24/7 Email Guardian

    Where it doesn't

    • No free plan; the free trial lasts 7 days
    • Litmus Basic is limited to 1 full user
    • Its core emphasis is pre-send testing, not campaign analytics

  • Postmark — where it wins

    • Tracks delivery, bounces, opens, and clicks at message level
    • Provides event webhooks for delivery and engagement activity
    • Offers REST API, SMTP sending, and inbound email processing

    Where it doesn't

    • Analytics focus on transactional activity, not broader campaign optimization
    • Basic starts at $15/month for 10,000 emails per month
    • Custom pricing applies to high-volume tiers

More comparisons

All email analytics comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update