Emailjs vs Postmark: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Emailjs and Postmark side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Emailjs leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Emailjs
Send emails directly from your client-side code without exposing sensitive credentials.
Best for you if:
- • You want eliminates the need for a backend server to send emails from the frontend
Postmark
Reliable, fast transactional email delivery for developers
Best for you if:
- • You want sub-second delivery times significantly faster than most competitors
| At a Glance | Emailjs | Postmark |
|---|---|---|
Starts at | Free plan, paid from $9/mo, billed monthly Personal plan | Free plan, paid from $15/mo Basic plan |
Category | Email Developer Tools | Email API Tools |
Rating | n/a | 4.7/5 Capterra 4.7 · G2 4.6 67 reviews |
Free plan | Yes | Yes |
Watch out for | Overage fees not explicitly stated | DMARC monitoring is a paid add-on: $14/month per domain. Many competitors include basic DMARC reporting for free. |
Choose Emailjs or Postmark?
Choose Emailjs if
- You want eliminates the need for a backend server to send emails from the frontend
- You want enhances security by keeping authentication details server-side
- Budget matters ($9/mo, billed monthly vs $15/mo)
Choose Postmark if
- You want sub-second delivery times significantly faster than most competitors
- You want message streams separate transactional from promotional to protect deliverability
In-Depth Analysis
Emailjs
Send emails directly from your client-side code without exposing sensitive credentials.
EmailJS offers a fair pricing structure, especially for individual developers and small projects.
Watch out
Overage fees not explicitly stated
Strengths
- Pro: Eliminates the need for a backend server to send emails from the frontend.
- Pro: Enhances security by keeping authentication details server-side.
- Pro: Easy to integrate with client-side JavaScript applications.
- Pro: Offers a free tier for testing and basic usage.
- Pro: Supports a wide range of popular email services.
Weaknesses
- Con: Free plan has limited requests and templates.
- Con: Attachment size limits on lower plans.
- Con: Some advanced features like multi-user access are only available on paid plans.
Key features
Postmark
Reliable, fast transactional email delivery for developers
Postmark has built its entire reputation on one thing: deliverability.
Watch out
DMARC monitoring is a paid add-on: $14/month per domain. Many competitors include basic DMARC reporting for free.
Strengths
- Pro: Sub-second delivery times significantly faster than most competitors
- Pro: Message streams separate transactional from promotional to protect deliverability
- Pro: Premium support included on all plans at no extra cost
- Pro: Generous free tier with 100 emails per month that never expires
- Pro: Clean developer-focused API with SDKs for all major languages
Weaknesses
- Con: Not designed for marketing or newsletter campaigns
- Con: Dedicated IPs require minimum 300,000 emails per month
- Con: Free plan limited to 100 emails which is very low for production use
- Con: Overage pricing can add up quickly at scale without pre-purchasing volume
- Con: No built-in drag-and-drop email builder for non-technical users
Key features
Plans and prices: Emailjs vs Postmark
| Tool | Plans and prices | Source |
|---|---|---|
| Emailjs |
| emailjs.com/pricing read Oct 26, 2026 |
| Postmark |
| postmarkapp.com/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Emailjs pricing and Postmark pricing.
Key Takeaways
Emailjs
- Lower entry price: $9/mo, billed monthly vs $15/mo
Postmark
- Choose if you want reliable, fast transactional email delivery for developers
What the data shows
On the data below, Emailjs leads on lower entry price. We do not name an overall winner for this pair.
- Only Postmark has a published user rating (4.7/5 from 67 reviews); Emailjs has none we can show.
- Emailjs has the lower entry price: $9/mo, billed monthly (Personal) against $15/mo (Basic) for Postmark.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Emailjs and Postmark compare in 2026?
On the data below, Emailjs leads on lower entry price. We do not name an overall winner for this pair. Only Postmark has a published user rating (4.7/5 from 67 reviews); Emailjs has none we can show. Emailjs has the lower entry price: $9/mo, billed monthly (Personal) against $15/mo (Basic) for Postmark. Both have a free plan.
What are Emailjs and Postmark used for?
Emailjs: Send emails directly from your client-side code without exposing sensitive credentials. Postmark: Reliable, fast transactional email delivery for developers.
What does Emailjs cost vs Postmark?
Emailjs's cheapest paid plan is Personal at $9/mo, billed monthly; it also has a free plan. Postmark's cheapest paid plan is Basic at $15/mo; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Emailjs and Postmark?
Emailjs's main strength: eliminates the need for a backend server to send emails from the frontend. Postmark's main strength: sub-second delivery times significantly faster than most competitors.