MailerSend vs SendGrid: Complete Comparison (2026)
An in-depth comparison of MailerSend and SendGrid 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.
SendGrid
6.2/10
Twilio-owned email platform that pairs a developer-focused transactional Email API with a Marketing Campaigns tool for newsletters and automated email sends.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 6.2/10 |
| Scalability | 7/10 | 9/10 |
| Ease of Use | 8/10 | 5/10 |
| Customization | 6/10 | 6/10 |
| Security | 6/10 | 7/10 |
| Support | 8/10 | 3/10 |
| Cost | 7/10 | 6/10 |
| Integration | 7/10 | 8/10 |
| Analytics | 6/10 | 5/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $7/mo Hobby | $15/mo Marketing Campaigns Basic |
| Estimated cost for 10 users | $110/mo Professional | $60/mo Marketing Campaigns Advanced |
| Features | ||
| Email Marketing | ||
| A/B Testing | Not listed | |
| Segmentation | Not listed | |
MailerSend vs SendGrid cost by team size
MailerSend costs less up to 5 users; SendGrid costs less from 10 users.
| Team size | MailerSend | SendGrid |
|---|---|---|
| 1 user | FreeFree | $15/moMarketing Campaigns Basic |
| 5 users | $7/moHobby | $60/moMarketing Campaigns Advanced |
| 10 users | $110/moProfessional | $60/moMarketing Campaigns Advanced |
| 25 users | $110/moProfessional | $60/moMarketing Campaigns Advanced |
| 50 users | $110/moProfessional | $60/moMarketing Campaigns Advanced |
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 Support score (8/10 vs 3/10)
- Higher Ease of Use score (8/10 vs 5/10)
- Better fit for freelancers (6/10 vs 3/10)
- Better fit for small business (7/10 vs 5/10)
Why choose SendGrid
- Lower estimated cost for 10 users: $60/mo vs $110/mo
- Higher Scalability score (9/10 vs 7/10)
- Higher Security score (7/10 vs 6/10)
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.
SendGrid
Pros
- Scales from 50,000 to 2.5 million emails a month on published Pro tiers, with Premier above that.
- Reviewers value its reliability and uptime for transactional and marketing email.
- Deliverability tooling covers domain authentication with SPF, DKIM and DMARC, plus dedicated IPs on higher tiers.
- The drag-and-drop editor and signup forms with double opt-in let marketers build campaigns without code.
- Reviewers mention integrations with WordPress, Shopify and Salesforce, alongside webhooks and a REST API.
Cons
- Support is a frequent complaint, with reviewers describing slow email-only responses since the Twilio acquisition.
- Reviewers call Marketing Campaigns automation basic, with no advanced conditional flows.
- The permanent free plan has been replaced by a 60-day trial capped at 100 emails a day.
- Email API and Marketing Campaigns are billed separately, so using both raises costs.
- Reviewers report sudden account suspensions and say refunds are hard to get.
Not sold on either?
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 6.2/10 for SendGrid. The largest gap is in Support: 8/10 for MailerSend and 3/10 for SendGrid.
SendGrid costs less for 10 users: about $60/mo on its Marketing Campaigns Advanced plan, against about $110/mo on its Professional plan for MailerSend, billed monthly.
Yes, both MailerSend and SendGrid have a free plan.
MailerSend is the better fit for freelancers: we rate it 6/10 for them, against 3/10 for SendGrid.
