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Helo vs Mailgun: Which is Better in 2026?

Choosing between Helo 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 wins this matchup. ElevenLabs is our overall API Tools pick. ElevenLabs is our free API Tools pick. Pick Helo if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Oct 2026

Short on time? Here's the quick answer

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

Helo

Send transactional and broadcast emails via a simple REST API

Best for you if:

  • • You want developer-friendly API with extensive SDK language support
  • • You want bootstrapped and independent, aligning incentives with user needs

Mailgun

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

Best for you if:

  • • You want powerful API
  • • You want email validation
At a Glance
HeloHelo
MailgunMailgun
Starts at
FreeFree tier available
FreeFree tier available
Best For
EmailEmail
Rating
-4.1/5
Free plan
Yes Yes

Choose Helo or Mailgun?

Helo

Choose Helo if

Send transactional and broadcast emails via a simple REST API

  • You want developer-friendly API with extensive SDK language support
  • You want bootstrapped and independent, aligning incentives with user needs
Mailgun

Choose Mailgun if

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

  • You want powerful API
  • You want email validation
FeatureHeloMailgun
Pricing ModelFreemiumFreemium
User RatingNo ratings yet
★4.1/5
1,850 reviews
Categories
EmailDeveloper Tools
EmailDeveloper Tools

In-Depth Analysis

HeloHelo

Send transactional and broadcast emails via a simple REST API

Starts at Free
Great value

Helo's pricing is exceptionally generous for a transactional email API, with the One Plan at $5/month offering unlimited everything, far cheaper than most competitors' per-email models.

Strengths

  • +Developer-friendly API with extensive SDK language support
  • +Bootstrapped and independent, aligning incentives with user needs
  • +Affordable pricing compared to many competitors

Weaknesses

  • -Relatively new service with a smaller community and ecosystem than established providers like SendGrid or Mailgun
  • -Limited advanced features like A/B testing or sophisticated analytics compared to larger competitors

Key features

Transactional email sending (password resets, confirmations, notifications)Broadcast email campaigns to large lists with a single API callSDKs available for Ruby, JavaScript (TypeScript), C#, Go, and PythonIdempotency keys to prevent duplicate sendsTemplate-based email personalization with variable substitution

MailgunMailgun

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

Starts at Free
Good value

Mailgun's pricing is competitive, especially for developers needing high volume.

Watch out

High overage fees on lower tiers

Strengths

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

Weaknesses

  • -Complex pricing
  • -Support can be slow

Key features

Email APIDeliverabilityAnalyticsValidationRoutingDeveloper focused

Pricing: Helo vs Mailgun

PlanHeloMailgun
Tier 1
Free
Free
Free
Free
Tier 2
$5/mo
One Plan
$35
Foundation
Tier 3N/A
$90
Scale
Tier 4N/A
Custom
Enterprise

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

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: Helo

Want the highest-rated option?

Mailgun is rated 4.1/5. Helo has no ratings yet.

Go with: Mailgun

Value user reviews?

Helo: no ratings yet. Mailgun: 1,850 reviews (4.1/5).

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?

Both are email tools. Compare their specific features to decide.

3

How important are ratings?

Mailgun is rated 4.1/5; Helo has no ratings yet.

Key Takeaways

Mailgun

  • Free tier available
  • Our pick for this comparison

Helo

  • Choose if you want send transactional and broadcast emails via a simple REST API

The Bottom Line

Mailgun wins this matchup. ElevenLabs is our overall API Tools pick. ElevenLabs is our free API Tools pick.

Frequently Asked Questions

Is Helo or Mailgun better?

Mailgun is rated in our evaluation. Both are freemium.

What are Helo and Mailgun used for?

Helo: Send transactional and broadcast emails via a simple REST API. Mailgun: Send, parse, and validate emails with a reliable developer API.

What does Helo cost vs Mailgun?

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

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