Mailjet vs Systeme.io
Mailjet is a email marketing platform while Systeme.io is a all-in-one marketing platform. Mailjet has been around since 2010, giving it a 7-year head start over Systeme.io (founded 2017). Both start at $17/mo. Both offer free plans to get started. Mailjet stands out with A/B testing and SMS marketing, while Systeme.io offers landing pages and ecommerce integrations.
Quick Verdict
Systeme.io wins on deliverability, rating, integrations.
Best for most users: Systeme.io (solopreneurs).
Mailjet
Collaborative email platform for teams with powerful API
Mailjet is a French-founded email platform (now owned by Sinch) that uniquely combines transactional and marketing email under one roof with real-time team collaboration. Its volume-based pricing with unlimited contacts makes it particularly cost-effective for businesses with large subscriber lists but moderate sending frequency. With strong GDPR compliance baked into its European DNA and a flexible API, it bridges the gap between developer-focused tools and marketer-friendly platforms.
Systeme.io
Budget-friendly all-in-one marketing platform for solopreneurs
Systeme.io is a bootstrapped French all-in-one marketing platform founded by Aurelien Amacker in 2017 that bundles email marketing, sales funnels, online courses, blogs, affiliate management, and payment processing starting at $0/month with 2,000 contacts and unlimited emails. With its $17/month Startup plan and $97/month Unlimited tier, it targets solopreneurs and creators who want to consolidate their entire marketing stack without paying for multiple subscriptions, though it trades design flexibility and advanced features for simplicity and affordability.
Feature Comparison
| Feature | Mailjet | Systeme.io |
|---|---|---|
| Rating | 4/5 | 4.8/5 |
| Starting Price | $17/mo | $17/mo |
| Free Plan | 6,000 emails/month (200/day), unlimited contacts | 2,000 contacts, unlimited emails, 3 funnels (15 steps), 1 blog, 1 course, 1 automation workflow, 1 custom domain |
| Founded | 2010 | 2017 |
| Email Templates | 70 | 50 |
| Integrations | 110 | 5,000 |
| Deliverability Rate | 88% | 95% |
| Marketing Automation | ✓ | ✓ |
| A/B Testing | ✓ | ✕ |
| Landing Pages | ✕ | ✓ |
| Segmentation | ✓ | ✓ |
| Drag & Drop Editor | ✓ | ✓ |
| SMS Marketing | ✓ | ✕ |
| Ecommerce Features | ✕ | ✓ |
| API Access | ✓ | ✓ |
| Multi-Language | ✓ | ✓ |
| Web Push Notifications | ✕ | ✕ |
| Live Chat | ✕ | ✕ |
| Advanced Analytics | ✓ | ✕ |
Mailjet: Pros & Cons
Pros
- +Real-time collaborative email editing lets multiple team members work on the same campaign simultaneously with live comments
- +Volume-based pricing with unlimited contacts means large lists stay affordable — one user grew from 0 to 50,000 subscribers affordably
- +Strong GDPR compliance built into the platform with EU data hosting, as a French-founded company under European regulations
- +RESTful API with SMTP relay supports both transactional and marketing email from a single platform
- +Deliverability rated 88% by EmailToolTester (above 83.1% industry average) with built-in list validation powered by Mailgun
Cons
- −Automation builder covers basics but lacks depth — triggers based on opens/clicks are tricky to configure and abandoned cart requires Zapier
- −No built-in landing page builder, forcing users to rely on third-party tools for lead capture
- −Many of the 110 integrations route through Zapier rather than being native direct connections
- −Migration from other ESPs is largely manual with limited import assistance for contacts, templates, and automations
- −Customer support response times are frequently criticized, with some serious technical issues going unresolved for extended periods
Systeme.io: Pros & Cons
Pros
- +Exceptionally generous free plan with 2,000 contacts, unlimited emails, funnels, blog, course, and affiliate program management
- +All-in-one platform replaces 5-6 separate tools (email, funnels, courses, blog, affiliate management, payments) at a fraction of the cost
- +Startup plan reduced to just $17/month in May 2025 while competitors raised prices, offering outstanding value
- +60% lifetime recurring affiliate commission with second-tier payouts makes it one of the highest-paying affiliate programs in SaaS
- +Zero transaction fees on any plan with support for Stripe, PayPal, Razorpay, Flutterwave, Mercado Pago, and Paystack
Cons
- −Limited design customization -- pages and emails lack the visual polish of dedicated tools like Leadpages or Mailchimp
- −No A/B split testing for emails, limiting optimization capabilities for serious email marketers
- −Community feature has no dedicated mobile app, requiring browser-based access which feels outdated
- −Recurring technical issues reported by users including Stripe integration failures and payment messaging problems lasting multiple days
- −Course creation is functional but basic compared to specialized platforms like Teachable or Thinkific
The Verdict
Systeme.io edges ahead with a 4.8/5 rating compared to Mailjet's 4/5. The gap comes mainly from deliverability (4.6 vs 3.5) and ease of use (4.9 vs 4.2). On deliverability, Systeme.io reports 95% compared to 88% for Mailjet — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Mailjet | Systeme.io |
|---|---|---|---|
| Starting Price | 30% | $17/mo | $17/mo |
| Deliverability | 25% | 88% | 95% |
| Rating | 25% | 4/5 | 4.8/5 |
| Integrations | 10% | 110 | 5000 |
| Free Tier | 10% | Yes | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Mailjet if…
- + You need SMS marketing
- + You need A/B testing
- + You need advanced analytics
- + You're a marketing teams needing real time email collaboration
Choose Systeme.io if…
- + You need ecommerce integrations
- + You need built-in landing pages
- + You're a solopreneurs
- + You're a course creators