Mailjet vs Sender
Mailjet and Sender are both popular choices in the email marketing platform space. Mailjet starts at $9/mo versus $10/mo for Sender. Both offer free plans to get started. Mailjet stands out with advanced analytics, while Sender offers ecommerce integrations.
Quick Verdict
Mailjet wins on price, integrations.
Sender wins on deliverability, rating.
Best for most users: Sender (small businesses).
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.
Sender
Affordable email and SMS marketing
Sender offers one of the most generous free plans in email marketing, combined with built-in SMS capabilities. It's an excellent choice for budget-conscious businesses that need both email and SMS marketing without breaking the bank.
Feature Comparison
| Feature | Mailjet | Sender |
|---|---|---|
| Rating | 4/5 | 4.7/5 |
| Starting Price | $9/mo | $10/mo |
| Free Plan | 6,000 emails/month (200/day), 1,000 contacts | 2,500 subscribers |
| Founded | 2010 | 2012 |
| Email Templates | 70 | 50 |
| Integrations | 110 | 50 |
| Deliverability Rate | 88% | 97% |
| 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
Sender: Pros & Cons
Pros
- +Extremely generous free plan (2,500 subs, 15,000 emails)
- +Built-in SMS marketing on all plans
- +Very affordable paid plans
- +Ecommerce integrations for abandoned cart
- +No credit card required for free plan
Cons
- −No A/B testing
- −No landing page builder
- −Smaller integration ecosystem
- −Less well-known brand
- −Limited advanced features
The Verdict
Sender edges ahead with a 4.7/5 rating compared to Mailjet's 4/5. The gap comes mainly from deliverability (4.6 vs 3.5) and support (4.8 vs 3.9). On deliverability, Sender reports 97% compared to 88% for Mailjet — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Mailjet | Sender |
|---|---|---|---|
| Starting Price | 30% | $9/mo | $10/mo |
| Deliverability | 25% | 88% | 97% |
| Rating | 25% | 4/5 | 4.7/5 |
| Integrations | 10% | 110 | 50 |
| Free Tier | 10% | Yes | Yes |
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 advanced analytics
- + You're a marketing teams needing real time email collaboration
- + You're a european businesses requiring gdpr compliant email
Choose Sender if…
- + You need ecommerce integrations
- + You're a small businesses
- + You're a ecommerce