MailerSend vs SendX: Complete Comparison (2026)
An in-depth comparison of MailerSend and SendX to help you choose the right tool for your business.
Last updated: November 2026
MailerSend
6.9/10
MailerSend is a transactional email and SMS API with SMTP relay and a template builder, aimed at developers and businesses sending app-triggered messages.
SendX
6.2/10
SendX is an email marketing platform for small and growing businesses. It offers campaigns, automation, landing pages, and deliverability tools, priced by contact count.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 6.2/10 |
| Analytics | 6/10 | 5/10 |
| Cost | 7/10 | 8/10 |
| Customization | 6/10 | 5/10 |
| Ease of Use | 8/10 | 7/10 |
| Integration | 7/10 | 6/10 |
| Scalability | 7/10 | 5/10 |
| Security | 6/10 | 5/10 |
| Support | 8/10 | 7/10 |
| Pricing | ||
| Free plan | Yes | No |
| Cheapest paid plan | $7/mo Hobby | $10/mo Core |
| Estimated cost for 10 users | $110/mo Professional | $10/mo Core |
| Features | ||
| Email Marketing | ||
| A/B Testing | Not listed | |
| E-commerce Features | Not listed | |
| Landing Pages | Not listed | |
| Segmentation | Not listed | |
| Webinars | Not listed | |
MailerSend vs SendX cost by team size
MailerSend costs less up to 5 users; SendX costs less from 10 users.
| Team size | MailerSend | SendX |
|---|---|---|
| 1 user | FreeFree | $10/moCore |
| 5 users | $7/moHobby | $10/moCore |
| 10 users | $110/moProfessional | $10/moCore |
| 25 users | $110/moProfessional | $10/moCore |
| 50 users | $110/moProfessional | $10/moCore |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose MailerSend
- Has a free plan (SendX does not)
- Higher Scalability score (7/10 vs 5/10)
- Higher Analytics score (6/10 vs 5/10)
- Better fit for agencies (7/10 vs 5/10)
- Better fit for enterprise (6/10 vs 4/10)
Why choose SendX
- Lower estimated cost for 10 users: $10/mo vs $110/mo
- Higher Cost score (8/10 vs 7/10)
- Better fit for marketing teams (6/10 vs 4/10)
Pros & Cons
MailerSend
Pros
- Developers can send through a REST API or an SMTP relay, with SDKs and connectors for Laravel, Django, Rails, Symfony, Supabase and Firebase.
- A free tier of 500 emails and a $7 Hobby plan make it cheap to start.
- Capterra reviewers repeatedly praise its responsive support and clear documentation.
- Built-in blocklist and DMARC monitoring help teams protect deliverability.
- Starter and higher plans add an SMS API, and a WhatsApp add-on is available.
Cons
- It is built for transactional email, not full marketing campaign management.
- Reviewers report sudden throttling or account suspensions after bounce or complaint thresholds are crossed.
- Free and Hobby plans keep only one day of activity history.
- SMS is limited to the USA and Canada.
SendX
Pros
- Every plan includes unlimited marketing sends, users, and domains, so the bill depends only on contact count.
- Core starts at $10 a month for 1,000 contacts, and annual billing takes 25 percent off.
- Deliverability tooling is broad, with inbox tests, dedicated IPs, list cleaning, warmup, and an AI advisor.
- A/B testing, segmentation, landing pages, and workflows are included on the entry plan.
- Reviewers on G2 and Capterra praise the support team, and every plan includes 24/7 chat and ticket support.
Cons
- SMS is not generally available: bulk SMS is in private beta and SMS in workflows is in beta.
- Reviewers cite limited template variety and basic reporting.
- Some users report slow sends, including one 10,000-contact campaign that took 24 hours.
- Some reviewers say they had trouble cancelling their subscription or deleting their account.
- White label and multi-tenant features, which agencies need, are only on the custom-priced Enterprise plan.
Not sold on either?
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 6.2/10 for SendX. The largest gap is in Scalability: 7/10 for MailerSend and 5/10 for SendX.
SendX costs less for 10 users: about $10/mo on its Core plan, against about $110/mo on its Professional plan for MailerSend, billed monthly.
MailerSend has a free plan; SendX does not list one.
MailerSend is the better fit for agencies: we rate it 7/10 for them, against 5/10 for SendX.
