Mailjet vs Plunk: Which Should You Choose in 2026?
Choosing between Mailjet and Plunk 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Mailjet
Email marketing and transactional email
Best for you if:
- • You want the higher-rated option (8.1/10 vs 0.0/10)
- • Mailjet is an email delivery platform for transactional and marketing emails
- • It provides email API, campaign builder, and real-time analytics
Plunk
The open-source, affordable email platform for marketing, transactional, and broadcast emails.
Best for you if:
- • Consolidates marketing, transactional, and broadcast emails into one platform.
- • Offers a transparent, open-source, and privacy-focused solution with EU data hosting.
| At a Glance |  Mailjet |  Plunk |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Email Marketing | Email Marketing |
Rating | 81/100 | —/100 |
| Feature | Mailjet | Plunk |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | 81 | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Email MarketingTransactional Email | Email MarketingTransactional Email |
Understanding the Differences
Both Mailjet and Plunk solve similar problems, but they approach them differently.Mailjet positions itself as "email marketing and transactional email" while Plunkfocuses on "the open-source, affordable email platform for marketing, transactional, and broadcast emails.". These differences matter depending on what you're trying to accomplish.
When to Choose Mailjet
Mailjet makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 81/100, it's our top pick in this comparison.
When to Choose Plunk
Plunk is worth considering if you need a flexible option with both free and paid tiers tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Mailjet lets you get started without pulling out your credit card.
We'd pick: Mailjet
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Mailjet handles scale better in our testing.
We'd pick: Mailjet
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: Mailjet
Still not sure? Answer these 3 questions
How much can you spend?
Tight budget? Start free with Mailjet, upgrade when you're ready.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Mailjet higher (81/100). But the community has upvoted Plunk more (0 votes). Pick your source of truth.
Key Takeaways
What Mailjet Does Better
- Higher overall score (81/100)
- Our recommendation for most use cases
Consider Plunk If
- You want to start free and scale later
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Mailjet (81/100). But the honest answer is that "better" depends on your situation. Mailjet scores higher in our analysis, but Plunk might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Mailjet or Plunk better?
Based on our analysis, Mailjet scores higher with 81/100. Mailjet isfreemium while Plunk is freemium. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Mailjet to Plunk easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Mailjet and Plunk offer free trials?
Most software in this category offers free trials or free tiers. Mailjet is freemium with a free tier.Plunk is freemium with a free tier. Visit their websites for current trial offers.