Mailjet vs Sender
Mailjet and Sender are both popular choices in the email marketing platform space. Sender is the more affordable option at $10/mo — that's $7 less per month than Mailjet's $17/mo entry point. Both offer free plans to get started. Mailjet stands out with A/B testing and advanced analytics, while Sender offers ecommerce integrations.
Quick Verdict
Mailjet wins on integrations.
Sender wins on price, 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 | $17/mo | $10/mo |
| Free Plan | 6,000 emails/month (200/day), unlimited 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% | $17/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 need A/B testing
- + 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 want lower starting costs ($10/mo)
- + You need ecommerce integrations
- + You're a small businesses
- + You're a ecommerce