Mailjet vs Sendy
Mailjet and Sendy are both popular choices in the email marketing platform space. Mailjet starts at $9/mo versus $69 one-time for Sendy. Mailjet offers a free plan (6,000 emails/month (200/day), 1,000 contacts), while Sendy does not. Mailjet has the edge with A/B testing, landing pages, SMS marketing.
Quick Verdict
Mailjet wins on price, integrations, free tier.
Sendy wins on deliverability, rating.
It's a close call — your choice depends on your specific needs.
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.
Sendy
Self-hosted email marketing that sends via Amazon SES at 100x lower cost
Sendy is a self-hosted email newsletter application that connects to Amazon SES to deliver emails at a fraction of the cost of traditional email marketing platforms. With a one-time $69 license and SES sending costs of roughly $1 per 10,000 emails, it is ideal for high-volume senders who want to avoid recurring subscription fees. It requires technical setup but offers unlimited subscribers, autoresponders, segmentation, and full data ownership.
Feature Comparison
| Feature | Mailjet | Sendy |
|---|---|---|
| Rating | 4/5 | 4.2/5 |
| Starting Price | $9/mo | $69 |
| Free Plan | 6,000 emails/month (200/day), 1,000 contacts | No free plan |
| Founded | 2010 | 2012 |
| Email Templates | 70 | 0 |
| Integrations | 110 | 20 |
| 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
Sendy: Pros & Cons
Pros
- +Extreme cost savings — one-time $69 license with Amazon SES sending at ~$1 per 10,000 emails
- +Unlimited subscribers with no tier-based pricing that punishes list growth
- +Full data ownership and privacy since everything is self-hosted on your own server
- +Clean, focused interface without bloated features — does exactly what it promises
- +White-label multi-brand support allows managing multiple client accounts from one install
Cons
- −Requires technical skills for server setup, installation, and ongoing maintenance
- −No built-in A/B testing, landing page builder, or advanced automation workflows
- −UI feels dated and lacks modern design polish compared to SaaS competitors
- −Limited customer support — solo developer product with slow response times reported
- −No drag-and-drop email editor; requires HTML knowledge for custom templates
The Verdict
Sendy edges ahead with a 4.2/5 rating compared to Mailjet's 4/5. The gap comes mainly from deliverability (4.4 vs 3.5) and support (4.3 vs 3.9). On deliverability, Sendy reports 95% compared to 88% for Mailjet — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Mailjet | Sendy |
|---|---|---|---|
| Starting Price | 30% | $9/mo | $69/mo |
| Deliverability | 25% | 88% | 95% |
| Rating | 25% | 4/5 | 4.2/5 |
| Integrations | 10% | 110 | 20 |
| Free Tier | 10% | Yes | No |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Mailjet if…
- + You want lower starting costs ($9/mo)
- + You need a free plan to get started
- + You need SMS marketing
- + You need built-in landing pages
Choose Sendy if…
- + You're a cost conscious email marketers with large lists
- + You're a technical users comfortable with self hosting and server management
- + Extreme cost savings — one-time $69 license with Amazon SES sending at ~$1 per 10,000 emails