MailerSend vs Zapier Comparison
Compare MailerSend vs Zapier features, pricing, and more.
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.
Zapier
7.3/10
Zapier is a no-code automation platform that connects thousands of business apps and adds AI steps, agents, and chatbots to workflows for teams of any size.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 7.3/10 |
| Scalability | 7/10 | 7/10 |
| Ease of Use | 8/10 | 9/10 |
| Customization | 6/10 | 7/10 |
| Security | 6/10 | 8/10 |
| Support | 8/10 | 6/10 |
| Cost | 7/10 | 4/10 |
| Integration | 7/10 | 10/10 |
| Analytics | 6/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $7/mo Hobby | $30/mo Professional |
| Estimated cost for 10 users | $110/mo Professional | $104/mo Team |
| Features | ||
| Email Marketing | Not listed | |
| More features | ||
| AI Agents | Not listed | |
| Chatbots | Not listed | |
| Private Deployment | Not listed | |
| API Access | Not listed | |
| Workflow Automation | Not listed | |
| Text Generation | Not listed | |
| Enterprise Controls | Not listed | |
MailerSend vs Zapier cost by team size
MailerSend and Zapier cost the same at 1 user; MailerSend costs less at 5 users; Zapier costs less from 10 to 25 users.
| Team size | MailerSend | Zapier |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | $7/moHobby | $104/moTeam |
| 10 users | $110/moProfessional | $104/moTeam |
| 25 users | $110/moProfessional | $104/moTeam |
| 50 users | $110/moProfessional | Contact for pricing |
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
- Higher Cost score (7/10 vs 4/10)
- Higher Support score (8/10 vs 6/10)
- Better fit for developers (9/10 vs 5/10)
Why choose Zapier
- Lower estimated cost for 10 users: $104/mo vs $110/mo
- Higher Integration score (10/10 vs 7/10)
- Higher Security score (8/10 vs 6/10)
- Better fit for marketing teams (8/10 vs 4/10)
- Better fit for small business (9/10 vs 7/10)
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.
Zapier
Pros
- Its app catalog is the largest among automation tools, which reviewers single out as unmatched.
- Non-technical users can build simple two- or three-step workflows quickly from templates or Copilot prompts.
- Agents, chatbots, and AI steps sit alongside existing workflows, so you do not need a second platform for AI.
- Holds a SOC 2 Type II attestation and SOC 3 report, with SAML SSO and audit logs from the Team plan.
Cons
- Every action step uses a task, so multi-step and high-volume workflows get expensive quickly.
- Overage on monthly plans is charged at 2.5 times the base task rate.
- The free plan allows only two-step Zaps and lacks filters and AI by Zapier.
- There is no self-hosted or private deployment option, unlike n8n or Activepieces.
- Users report complaints about billing, refunds, and an all-day outage in October 2025.
Not sold on either?
Frequently Asked Questions
Zapier scores higher on our Marketing criteria: 7.3/10 against 6.9/10 for MailerSend. The largest gap is in Cost: 7/10 for MailerSend and 4/10 for Zapier.
Zapier costs less for 10 users: about $104/mo on its Team plan, against about $110/mo on its Professional plan for MailerSend, billed monthly.
Yes, both MailerSend and Zapier have a free plan.
MailerSend is the better fit for developers: we rate it 9/10 for them, against 5/10 for Zapier.
