Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Email Analytics

Postmark vs Jandex

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Postmark #3 in Email Analytics 7.8/10 Free plan Free plan✓ 0 of 3 features Visit Postmark
Jandex #5 in Email Analytics 7.4/10 Paid ✓ 0 of 3 features Visit Jანდекс

Postmark leads on 2 checks, Jandex on 0, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePostmark · 7.8/10
  • Lowest starting pricePostmark · $15/mo
  • Free planonly Postmark

Postmark scores higher on our rubric for email analytics: 7.8 against 7.4 out of 10; our editors rank them #3 and #5.

Postmark offers free plan; Jandex doesn't. Postmark is cheaper to start at $15/mo against $97/mo.

Postmark is the better fit for developers tracking transactional email activity. Jandex is the better fit for klaviyo agencies needing extensive email insights.

  • Postmark fits best

    Developers tracking transactional email activity

  • Jandex fits best

    Klaviyo agencies needing extensive email insights

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 Postmark 7.8/10 Visit ↗ Jandex 7.4/10 Visit ↗
At a glance
Editor score 7.8 7.4
Ranking #3 in Email Analytics #5 in Email Analytics
Best for Developers tracking transactional email activity Klaviyo agencies needing extensive email insights
Pricing model Free plan + paid Paid
Starting price $15/mo (best) $97/mo
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Live chat, Docs Email
Compliance GDPR, 2FA GDPR
Integrations 12 integrations 1 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market
Features Postmark 0/3 · Jandex 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
  • 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
  • Compares campaign and flow performance across date ranges.
  • Tracks revenue, lifetime value, purchase timing, and deliverability trends.
  • Offers multi-account reporting, heat maps, and subject-line insights.
Cons
  • 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
  • Paid plans start at $97 per month.
  • Klaviyo is the only verified integration shown.
  • It analyzes email performance but does not send email.
Our verdict

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 →

Jandex adds an analytics layer to Klaviyo for email operators, teams, and agencies that need campaign, flow, audience, and revenue reporting. Its dashboards cover engagement, orders, lifetime value, and purchase timing; AI assistants…

Read the review →
  1. PostmarkEmail Analytics 7.8Free plan
  2. JandexEmail Analytics 7.4Paid

Strengths and trade-offs

  • 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

  • Jandex — where it wins

    • Compares campaign and flow performance across date ranges.
    • Tracks revenue, lifetime value, purchase timing, and deliverability trends.
    • Offers multi-account reporting, heat maps, and subject-line insights.

    Where it doesn't

    • Paid plans start at $97 per month.
    • Klaviyo is the only verified integration shown.
    • It analyzes email performance but does not send email.

More comparisons

All email analytics comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update