Mailgun vs SMTP.com: 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 SMTP.com side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mailgun leads on higher user rating and a free plan; SMTP.com 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:
Mailgun
Send, parse, and validate emails with a reliable developer API
Best for you if:
- • You want a free tier before you commit
SMTP.com
Send transactional email at scale with high inbox placement
Best for you if:
- • You want exceptional deliverability rates backed by a strong IP reputation and proactive monitoring
| At a Glance | ||
|---|---|---|
Starts at | Free plan, paid from $35/mo, billed monthly Foundation plan | From $25/mo, billed monthly Essential plan |
Category | Email API Tools | Transactional Email Email Deliverability |
Rating | 4.1/5 Trustpilot 4.1 · G2 4.2 1,850 reviews | 2.9/5 G2 3.3 · Capterra 3.5 · SourceForge 0.5 52 reviews |
Free plan | Yes | No |
Watch out for | High overage fees on lower tiers | Reputation defender is an add-on |
Choose Mailgun or SMTP.com?
Choose Mailgun if
- You want a free tier before you commit
- You want powerful API
- You want email validation
- You work in email, not transactional email
Choose SMTP.com if
- You want exceptional deliverability rates backed by a strong IP reputation and proactive monitoring
- You want scalable infrastructure with dedicated IP and cloud instances for high-volume senders
- Budget matters ($25/mo, billed monthly vs $35/mo, billed monthly)
- You work in transactional email, 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
SMTP.com
Send transactional email at scale with high inbox placement
The $25 Essential tier is an affordable entry point, while the $300 Growth plan offers good value with a dedicated IP and 500,000 emails monthly.
Watch out
Reputation defender is an add-on
Strengths
- Pro: Exceptional deliverability rates backed by a strong IP reputation and proactive monitoring
- Pro: Scalable infrastructure with dedicated IP and cloud instances for high-volume senders
- Pro: In-house expert support available across all plans, including migration assistance
Weaknesses
- Con: No free tier or trial available; all plans start at a monthly fee
- Con: Optional add-ons like Reputation Defender and Insight Engine incur additional cost
Key features
Plans and prices: Mailgun vs SMTP.com
| Tool | Plans and prices | Source |
|---|---|---|
| Mailgun |
| mailgun.com/pricing read Oct 31, 2026 |
| SMTP.com |
| smtp.com/pricing read Oct 27, 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 SMTP.com pricing.
Key Takeaways
Mailgun
- Higher user rating: 4.1/5 vs 2.9/5
- Has a free plan
SMTP.com
- Lower entry price: $25/mo, billed monthly vs $35/mo, billed monthly
What the data shows
On the data below, Mailgun leads on higher user rating and a free plan; SMTP.com leads on lower entry price. We do not name an overall winner for this pair.
- Mailgun has the higher user rating (4.1/5 from 1,850 reviews for Mailgun, 2.9/5 from 52 reviews for SMTP.com).
- SMTP.com has the lower entry price: $25/mo, billed monthly (Essential) against $35/mo, billed monthly (Foundation) for Mailgun.
- Only Mailgun has 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 SMTP.com compare in 2026?
On the data below, Mailgun leads on higher user rating and a free plan; SMTP.com leads on lower entry price. We do not name an overall winner for this pair. Mailgun has the higher user rating (4.1/5 from 1,850 reviews for Mailgun, 2.9/5 from 52 reviews for SMTP.com). SMTP.com has the lower entry price: $25/mo, billed monthly (Essential) against $35/mo, billed monthly (Foundation) for Mailgun. Only Mailgun has a free plan.
What are Mailgun and SMTP.com used for?
Mailgun: Send, parse, and validate emails with a reliable developer API. SMTP.com: Send transactional email at scale with high inbox placement.
What does Mailgun cost vs SMTP.com?
Mailgun's cheapest paid plan is Foundation at $35/mo, billed monthly; it also has a free plan. SMTP.com's cheapest paid plan is Essential at $25/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.
What's the main difference between Mailgun and SMTP.com?
Mailgun's main strength: powerful API. SMTP.com's main strength: exceptional deliverability rates backed by a strong IP reputation and proactive monitoring.