b stack radar

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 logo

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 logo

MailerSend

6.9/10

Winner

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
Circle logo
Circle
MailerSend logo
MailerSend
Scores
Overall Rating5.8/106.9/10
Scalability7/107/10
Ease of Use7/108/10
Customization6/106/10
Security5/106/10
Support6/108/10
Cost4/107/10
Integration6/107/10
Analytics5/106/10
Pricing
Free planNoYes
Cheapest paid planContact for pricing$7/mo
Hobby
Estimated cost for 10 usersContact for pricing$110/mo
Professional
Features
Email Marketing
SegmentationNot listed
WebinarsNot listed

Circle vs MailerSend cost by team size

Team sizeCircleMailerSend
1 userContact for pricingFreeFree
5 usersContact for pricing$7/moHobby
10 usersContact for pricing$110/moProfessional
25 usersContact for pricing$110/moProfessional
50 usersContact 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?

Circle logo
Why choose Circle

  • Better fit for marketing teams (6/10 vs 4/10)

MailerSend logo
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 logo
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 logo
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.

Related Comparisons