Kit (ConvertKit) vs Mailjet
Kit (ConvertKit) and Mailjet are both popular choices in the email marketing platform space. Kit (ConvertKit) starts at $39/mo, while Mailjet starts at $9/mo. Their pricing is not measured the same way, so we don't rank them on price. Both offer free plans to get started. Kit (ConvertKit) stands out with ecommerce integrations, while Mailjet offers SMS marketing and a drag-and-drop editor.
Quick Verdict
Kit (ConvertKit) wins on deliverability, rating.
Mailjet wins on 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 | $39/mo | $9/mo |
| Free Plan | 10,000 subscribers | 6,000 emails/month (200/day), 1,000 contacts |
| Founded | 2013 | 2010 |
| Email Templates | 50 | 70 |
| Integrations | 90 | 110 |
| Deliverability Rate | 98.2% | 88% |
| Marketing Automation | Yes | Yes |
| A/B Testing | Yes | Yes |
| Landing Pages | Yes | Yes |
| Segmentation | Yes | Yes |
| Drag & Drop Editor | No | Yes |
| SMS Marketing | No | Yes |
| Ecommerce Features | Yes | No |
| API Access | Yes | Yes |
| Multi-Language | No | Yes |
| Web Push Notifications | No | No |
| Live Chat | No | No |
| Advanced Analytics | Yes | Yes |
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 native SMS; texting needs the third-party SlickText app
- − 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% | $39/mo | $9/mo |
| Deliverability | 25% | 98.2% Winner | 88% |
| Rating | 25% | 4.6/5 Winner | 4/5 |
| Integrations | 10% | 90 | 110 Winner |
| 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're a bloggers
- + You're a creators
Choose Mailjet if…
- + You need SMS marketing
- + You're a marketing teams needing real time email collaboration
- + You're a european businesses requiring gdpr compliant email