Campaign Monitor vs Mailjet
Campaign Monitor and Mailjet are both popular choices in the email marketing platform space. Campaign Monitor has been around since 2004, giving it a 6-year head start over Mailjet (founded 2010). Campaign Monitor starts at $12/mo versus $17/mo for Mailjet. Mailjet offers a free plan (6,000 emails/month (200/day), 1,000 contacts), while Campaign Monitor does not. Campaign Monitor has the edge with ecommerce integrations.
Quick Verdict
Campaign Monitor wins on price, deliverability, rating, integrations.
Mailjet wins on free tier.
Best for most users: Campaign Monitor (agencies).
Campaign Monitor
Beautifully crafted email marketing
Campaign Monitor is particularly well-suited for agencies and brands that need polished, branded email campaigns. Its client management features and beautiful template builder make it a popular choice for marketing agencies managing multiple client accounts.
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 | Campaign Monitor | Mailjet |
|---|---|---|
| Rating | 4.1/5 | 4/5 |
| Starting Price | $12/mo | $17/mo |
| Free Plan | No free plan | 6,000 emails/month (200/day), 1,000 contacts |
| Founded | 2004 | 2010 |
| Email Templates | 120 | 70 |
| Integrations | 250 | 110 |
| Deliverability Rate | 97.5% | 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 | ✓ | ✓ |
Campaign Monitor: Pros & Cons
Pros
- +Excellent email template builder
- +Strong agency features and client management
- +Good deliverability
- +Time zone sending optimization
- +Link review feature prevents broken links
Cons
- −No free plan
- −Lite plan caps at 2,500 emails
- −Premier plan expensive ($159/mo)
- −No landing page builder
- −Limited automation on lower tiers
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
Campaign Monitor and Mailjet are closely matched — both score within 0.1 points of each other in our overall rating. Your decision should come down to specific needs rather than overall quality. On deliverability, Campaign Monitor reports 97.5% compared to 88% for Mailjet — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Campaign Monitor | Mailjet |
|---|---|---|---|
| Starting Price | 30% | $12/mo | $17/mo |
| Deliverability | 25% | 97.5% | 88% |
| Rating | 25% | 4.1/5 | 4/5 |
| Integrations | 10% | 250 | 110 |
| Free Tier | 10% | No | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Campaign Monitor if…
- + You want lower starting costs ($12/mo)
- + You need ecommerce integrations
- + You're a agencies
- + You're a brands
Choose Mailjet if…
- + You need a free plan to get started
- + You're a marketing teams needing real time email collaboration
- + You're a european businesses requiring gdpr compliant email