Kit (ConvertKit) vs Mailjet
Kit (ConvertKit) and Mailjet are both popular choices in the email marketing platform space. Mailjet is the more affordable option at $17/mo — that's $16 less per month than Kit (ConvertKit)'s $33/mo entry point. Both offer free plans to get started. Kit (ConvertKit) stands out with landing pages and ecommerce integrations, while Mailjet offers SMS marketing and a drag-and-drop editor.
Quick Verdict
Kit (ConvertKit) wins on deliverability, rating.
Mailjet wins on price, integrations.
Best for most users: Kit (ConvertKit) (bloggers).
Kit (ConvertKit)
Email marketing built for creators
Kit (formerly ConvertKit) is purpose-built for online creators including bloggers, podcasters, YouTubers, and course creators. It emphasizes simplicity and deliverability over complex design features, making it ideal for text-based newsletters and automated sequences.
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.
Feature Comparison
| Feature | Kit (ConvertKit) | Mailjet |
|---|---|---|
| Rating | 4.6/5 | 4/5 |
| Starting Price | $33/mo | $17/mo |
| Free Plan | 10,000 subscribers | 6,000 emails/month (200/day), unlimited contacts |
| Founded | 2013 | 2010 |
| Email Templates | 50 | 70 |
| Integrations | 90 | 110 |
| Deliverability Rate | 98.2% | 88% |
| 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 | ✓ | ✓ |
Kit (ConvertKit): Pros & Cons
Pros
- +Excellent creator ecosystem with built-in monetization
- +Intuitive visual automation builder
- +Generous free plan up to 10,000 subscribers
- +Strong deliverability rates
- +Creator-focused features like tip jars and paid newsletters
Cons
- −Limited email template design options
- −Gets expensive at higher subscriber counts
- −No SMS marketing capabilities
- −Basic reporting compared to competitors
- −No drag-and-drop email editor
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
The Verdict
Kit (ConvertKit) edges ahead with a 4.6/5 rating compared to Mailjet's 4/5. The gap comes mainly from deliverability (4.7 vs 3.5) and support (4.3 vs 3.9). On deliverability, Kit (ConvertKit) reports 98.2% compared to 88% for Mailjet — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Kit (ConvertKit) | Mailjet |
|---|---|---|---|
| Starting Price | 30% | $33/mo | $17/mo |
| Deliverability | 25% | 98.2% | 88% |
| Rating | 25% | 4.6/5 | 4/5 |
| Integrations | 10% | 90 | 110 |
| Free Tier | 10% | Yes | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Kit (ConvertKit) if…
- + You need ecommerce integrations
- + You need built-in landing pages
- + You're a bloggers
- + You're a creators
Choose Mailjet if…
- + You want lower starting costs ($17/mo)
- + You need SMS marketing
- + You're a marketing teams needing real time email collaboration
- + You're a european businesses requiring gdpr compliant email