Circle vs MailerSend: Complete Comparison (2026)
An in-depth comparison of Circle and MailerSend to help you choose the right tool for your business.
Last updated: November 2026

Circle
5.8/10
Circle is an all-in-one community platform for creators and brands that combines discussion spaces, courses, live events, payments, and paid email marketing.

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.
Feature-by-Feature Comparison
| Feature | ![]() | ![]() |
|---|---|---|
| Scores | ||
| Overall Rating | 5.8/10 | 6.9/10 |
| Scalability | 7/10 | 7/10 |
| Ease of Use | 7/10 | 8/10 |
| Customization | 6/10 | 6/10 |
| Security | 5/10 | 6/10 |
| Support | 6/10 | 8/10 |
| Cost | 4/10 | 7/10 |
| Integration | 6/10 | 7/10 |
| Analytics | 5/10 | 6/10 |
| Pricing | ||
| Free plan | No | Yes |
| Cheapest paid plan | Contact for pricing | $7/mo Hobby |
| Estimated cost for 10 users | Contact for pricing | $110/mo Professional |
| Features | ||
| Email Marketing | ||
| Segmentation | Not listed | |
| Webinars | Not listed | |
Circle vs MailerSend cost by team size
| Team size | Circle | MailerSend |
|---|---|---|
| 1 user | Contact for pricing | FreeFree |
| 5 users | Contact for pricing | $7/moHobby |
| 10 users | Contact for pricing | $110/moProfessional |
| 25 users | Contact for pricing | $110/moProfessional |
| 50 users | Contact for pricing | $110/moProfessional |
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 Circle

- Better fit for marketing teams (6/10 vs 4/10)
Why choose MailerSend

- Has a free plan (Circle does not)
- Higher Cost score (7/10 vs 4/10)
- Higher Support score (8/10 vs 6/10)
- Better fit for saas companies (9/10 vs 5/10)
- Better fit for startups (9/10 vs 6/10)
Pros & Cons
Circle

Pros
- Unlimited members on every plan, so cost does not rise with community size
- Community, courses, live streams, chat, and payments run in one branded app across web and mobile
- Native live streams and live rooms remove the need for a separate webinar tool for small events
- Email Hub can target event attendees and space members directly from community data
- Free 14-day trial with no credit card, and migration help
Cons
- Email marketing is a separate $99/mo add-on, and reviewers rate its editor as basic
- Transaction fees of 0.5% to 2% apply on top of Stripe fees
- Workflows, white-labeling, and APIs require the $199/mo Business plan or higher
- Add-ons for admins, spaces, and live hours raise the real cost
- No native course certificates or graded assessments
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.
Not sold on either?
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 5.8/10 for Circle. The largest gap is in Cost: 4/10 for Circle and 7/10 for MailerSend.
MailerSend has a free plan; Circle does not list one.
MailerSend is the better fit for saas companies: we rate it 9/10 for them, against 5/10 for Circle.




