Mailgun vs Plunk: 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 Mailgun and Plunk side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a 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:
Mailgun
Send, parse, and validate emails with a reliable developer API
Best for you if:
- • You want powerful API
Plunk
The open-source, affordable email platform for marketing, transactional, and broadcast emails.
Best for you if:
- • You want consolidates multiple email types into one tool, simplifying workflows
| At a Glance | Mailgun | Plunk |
|---|---|---|
Starts at | Free plan, paid from $35/mo, billed monthly Foundation plan | Free plan |
Category | Email API Tools | Email Marketing Email |
Rating | 4.1/5 Trustpilot 4.1 · G2 4.2 1,850 reviews | n/a |
Free plan | Yes | Yes |
Watch out for | High overage fees on lower tiers | No clear overage pricing for free tier |
Choose Mailgun or Plunk?
Choose Mailgun if
- You want powerful API
- You want email validation
- You work in email, not email marketing
Choose Plunk if
- You want consolidates multiple email types into one tool, simplifying workflows
- You want transparent and affordable pay-as-you-go pricing model
- You work in email marketing, not email
In-Depth Analysis
Mailgun
Send, parse, and validate emails with a reliable developer API
Mailgun's pricing is competitive, especially for developers needing high volume.
Watch out
High overage fees on lower tiers
Strengths
- Pro: Powerful API
- Pro: Email validation
- Pro: Good logs
Weaknesses
- Con: Complex pricing
- Con: Support can be slow
Key features
Plunk
The open-source, affordable email platform for marketing, transactional, and broadcast emails.
Plunk's pricing is incredibly generous, especially with its robust Free tier offering 1000 emails across all categories.
Watch out
No clear overage pricing for free tier
Strengths
- Pro: Consolidates multiple email types into one tool, simplifying workflows
- Pro: Transparent and affordable pay-as-you-go pricing model
- Pro: Strong emphasis on privacy with EU data hosting
- Pro: Open-source nature provides transparency and control
- Pro: Free tier available for getting started without a credit card
Weaknesses
- Con: Specific advanced features compared to established providers are not explicitly detailed
- Con: May require technical knowledge for self-hosting option
Key features
Plans and prices: Mailgun vs Plunk
| Tool | Plans and prices | Source |
|---|---|---|
| Mailgun |
| mailgun.com/pricing read Oct 31, 2026 |
| Plunk |
| useplunk.com/pricing read Oct 30, 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 Mailgun pricing and Plunk pricing.
Key Takeaways
Mailgun
- Choose if you want send, parse, and validate emails with a reliable developer API
Plunk
- Choose if you want the open-source, affordable email platform for marketing, transactional, and broadcast emails
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Mailgun has a published user rating (4.1/5 from 1,850 reviews); Plunk has none we can show.
- Mailgun starts at $35/mo, billed monthly; Plunk has no public paid plan price on file.
- 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 Mailgun and Plunk compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Mailgun has a published user rating (4.1/5 from 1,850 reviews); Plunk has none we can show. Mailgun starts at $35/mo, billed monthly; Plunk has no public paid plan price on file. Both have a free plan.
What are Mailgun and Plunk used for?
Mailgun: Send, parse, and validate emails with a reliable developer API. Plunk: The open-source, affordable email platform for marketing, transactional, and broadcast emails.
What does Mailgun cost vs Plunk?
Mailgun's cheapest paid plan is Foundation at $35/mo, billed monthly; it also has a free plan. Plunk has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.
What's the main difference between Mailgun and Plunk?
Mailgun's main strength: powerful API. Plunk's main strength: consolidates multiple email types into one tool, simplifying workflows.