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Emailjs vs Mailgun: Which is Better in 2026?

Choosing between Emailjs and Mailgun comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Mailgun is our overall pick for email workflows. Pick Emailjs if you need developer tools.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked May 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Emailjs

Send emails directly from your client-side code without exposing sensitive credentials.

Best for you if:

  • • You need developer tools features specifically
  • Send emails directly from client-side code securely.
  • Connects to various email services without exposing credentials.

Mailgun

Send, parse, and validate emails with a reliable developer API

Best for you if:

  • • You need email features specifically
  • Mailgun is an email API service for developers sending transactional email
  • It handles email delivery, validation, and tracking at scale
At a Glance
EmailjsEmailjs
MailgunMailgun
Starts at
$9/mo/moPersonal
$35/moFoundation
Best For
Developer ToolsEmail
Rating
--

Choose Emailjs or Mailgun?

Emailjs

Choose Emailjs if

Send emails directly from your client-side code without exposing sensitive credentials.

  • Eliminates the need for a backend server to send emails from the frontend.
  • Enhances security by keeping authentication details server-side.
  • Easy to integrate with client-side JavaScript applications.
  • Your work is developer tools-shaped, not email-shaped
Mailgun

Choose Mailgun if

Send, parse, and validate emails with a reliable developer API

  • Powerful API
  • Email validation
  • Good logs
  • Your work is email-shaped, not developer tools-shaped
FeatureEmailjsMailgun
Pricing ModelFreemiumFreemium
User RatingNo ratings yet
4.2/5
518 reviews
Categories
Developer ToolsEmail
EmailDeveloper Tools

In-Depth Analysis

EmailjsEmailjs

Send emails directly from your client-side code without exposing sensitive credentials.

Strengths

  • +Eliminates the need for a backend server to send emails from the frontend.
  • +Enhances security by keeping authentication details server-side.
  • +Easy to integrate with client-side JavaScript applications.
  • +Offers a free tier for testing and basic usage.
  • +Supports a wide range of popular email services.

Weaknesses

  • -Free plan has limited requests and templates.
  • -Attachment size limits on lower plans.
  • -Some advanced features like multi-user access are only available on paid plans.

Key features

Connects to transactional and personal email services (e.g., Mailgun, Gmail, SendGrid, Outlook)Securely sends emails from client-side code without exposing API keysCustomizable email templates (text or HTML editor)SDKs for easy integration into web applicationsSupports HTML and plain text emails (multipart related)IP-based rate limits and origin whitelisting for abuse prevention
Starts at $9/mo/mo

MailgunMailgun

Send, parse, and validate emails with a reliable developer API

Strengths

  • +Powerful API
  • +Email validation
  • +Good logs

Weaknesses

  • -Complex pricing
  • -Support can be slow

Key features

Email APIDeliverabilityAnalyticsValidationRoutingDeveloper focused
Starts at $35/mo

Pricing: Emailjs vs Mailgun

PlanEmailjsMailgun
Tier 1
$0/mo
Free
Free
Free
Tier 2
$9/mo
Personal
$35
Foundation
Tier 3
$15/mo
Professional
$90
Scale
Tier 4
$40/mo
Business
Custom
Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on Emailjs pricing and Mailgun pricing.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: Emailjs

Want the highest-rated option?

Neither has user reviews yet.

Go with: Emailjs

Value user reviews?

Neither has user reviews yet.

Go with: Mailgun

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

Emailjs is a developer tools tool. Mailgun is in email. Pick the category that matches your needs.

3

How important are ratings?

Neither has user reviews yet.

Key Takeaways

Mailgun

  • Free tier available
  • Our pick for this comparison

Emailjs

  • Better fit for developer tools

The Bottom Line

Mailgun is our pick.

Frequently Asked Questions

Is Emailjs or Mailgun better?

Mailgun is rated in our evaluation. Both are freemium.

What are Emailjs and Mailgun used for?

Emailjs: Send emails directly from your client-side code without exposing sensitive credentials.. Mailgun: Send, parse, and validate emails with a reliable developer API.

What does Emailjs cost vs Mailgun?

Emailjs is freemium (free tier + paid plans). Mailgun is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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