Email marketing remains one of the most effective channels for reaching customers and building relationships. The right platform can help you design campaigns, automate sequences, and track performance—without requiring technical expertise. This guide compares five leading email marketing tools: Mailchimp, ConvertKit, Brevo, ActiveCampaign, and MailerLite.

Quick Recommendations

  • Best for small business: Mailchimp — Familiar interface, good free tier, marketing automation
  • Best for creators: ConvertKit — Built for bloggers and course creators, landing pages included
  • Best for CRM integration: Brevo — Email plus CRM, SMS, and live chat in one platform
  • Best for automation: ActiveCampaign — Powerful automation, CRM, and sales features
  • Best value: MailerLite — Affordable, intuitive, generous free tier

Comparison Table

Tool Free Tier Paid From Best For
Mailchimp500 contacts, 1K emails/mo$13/moSmall business, ecommerce
ConvertKit1,000 subscribers$9/moCreators, bloggers
Brevo300 emails/day$25/moCRM + email, sales teams
ActiveCampaign14-day trial$29/moAutomation, sales, CRM
MailerLite1,000 subscribers, 12K emails/mo$9/moValue, simplicity

Individual Product Reviews

1. Mailchimp

Best for small business

Mailchimp is one of the most recognizable email marketing platforms. The free tier allows 500 contacts and 1,000 emails per month—enough to get started. The interface is familiar to many users, with drag-and-drop builders, templates, and basic automation. Mailchimp has expanded into marketing automation, landing pages, and ecommerce integrations.

Paid plans add more contacts, advanced automation, and A/B testing. The platform can feel bloated with features you may not need, but for small businesses and ecommerce stores, it's a solid all-in-one choice. Customer support is available on paid plans.

Visit Mailchimp

Pros

  • Generous free tier
  • Familiar, widely used
  • Ecommerce integrations
  • Marketing automation included

Cons

  • Can feel complex with many features
  • Pricing scales with contacts

2. ConvertKit

Best for creators

ConvertKit is built for bloggers, course creators, and content creators. The free tier supports up to 1,000 subscribers with unlimited landing pages and forms. The interface is clean and focused—no bloat. Automation is visual and intuitive: tag-based sequences, triggers, and funnels. ConvertKit excels at turning subscribers into customers.

Paid plans add advanced automation, email sequences, and subscriber scoring. There's no free email sending on the free tier beyond the initial welcome sequence, but the landing pages and forms are fully functional. For creators who prioritize simplicity and conversion, ConvertKit is a top choice.

Visit ConvertKit

Pros

  • Built for creators
  • Landing pages and forms included
  • Simple, focused interface
  • Tag-based automation

Cons

  • Limited design customization
  • Free tier has send limits

3. Brevo

Best for CRM integration

Brevo (formerly Sendinblue) combines email marketing with CRM, SMS, live chat, and marketing automation. The free tier allows 300 emails per day—useful for small lists. The CRM tracks contacts, deals, and interactions across channels. If you need email plus sales pipeline management, Brevo offers an all-in-one solution.

Paid plans add more contacts, advanced automation, and remove daily limits. The interface can feel dense with so many features. For sales teams and businesses that want one platform for marketing and CRM, Brevo is a strong choice. For email-only needs, MailerLite or ConvertKit may be simpler.

Visit Brevo

Pros

  • Email + CRM + SMS + chat
  • Free tier with 300 emails/day
  • Sales pipeline features
  • Multi-channel marketing

Cons

  • Can feel overwhelming
  • Higher entry price for full features

4. ActiveCampaign

Best for automation

ActiveCampaign is built for sophisticated marketing automation. The visual automation builder supports complex workflows: conditional logic, splits, goals, and triggers. It includes a full CRM, sales automation, and site tracking. For businesses that need to nurture leads through multi-step sequences, ActiveCampaign delivers.

The 14-day free trial lets you test the platform. Paid plans start around $29/month and scale with contacts and features. The learning curve is steeper than Mailchimp or MailerLite, but the automation power is unmatched in this category. Best for marketers who have outgrown simpler tools.

Visit ActiveCampaign

Pros

  • Powerful automation builder
  • Full CRM and sales features
  • Site and event tracking
  • Conditional logic and splits

Cons

  • Higher price point
  • Steeper learning curve

5. MailerLite

Best value

MailerLite offers one of the most generous free tiers: 1,000 subscribers and 12,000 emails per month. The interface is intuitive and clean. You get drag-and-drop email builder, landing pages, pop-ups, and basic automation. For small businesses and bloggers who want simplicity without sacrificing features, MailerLite is hard to beat.

Paid plans are affordable and scale reasonably. The platform doesn't have the advanced automation of ActiveCampaign or the CRM depth of Brevo, but for most small businesses, it's more than enough. Support is responsive. If you're starting out or want to minimize cost, MailerLite is an excellent choice.

Visit MailerLite

Pros

  • Very generous free tier
  • Intuitive, clean interface
  • Affordable paid plans
  • Landing pages and automation included

Cons

  • Less advanced automation
  • No built-in CRM

Pricing Overview

Mailchimp and MailerLite offer the most generous free tiers. ConvertKit's free tier includes 1,000 subscribers. Brevo allows 300 emails/day free. ActiveCampaign has a 14-day trial. Paid plans vary: MailerLite and ConvertKit start around $9/month; Mailchimp around $13; Brevo around $25; ActiveCampaign around $29. Consider your list size, send volume, and automation needs when comparing.

Who Each Product Is Best For

  • Mailchimp: Small businesses, ecommerce stores, and users who want a familiar all-in-one platform.
  • ConvertKit: Bloggers, course creators, and creators who need landing pages and simple automation.
  • Brevo: Sales teams and businesses that want email, CRM, SMS, and chat in one place.
  • ActiveCampaign: Marketers who need powerful automation and have outgrown simpler tools.
  • MailerLite: Budget-conscious users and small businesses who want simplicity and value.

How We Evaluated

We tested each platform by building sample campaigns, automation sequences, and landing pages. We evaluated the quality of email builders, template libraries, and automation workflows. List management, segmentation, and deliverability tools were also considered. We compared free tiers and pricing as lists grow. We prioritized platforms that balance ease of use with sufficient power for scaling.

CRM integration and multi-channel features (SMS, chat) were pluses for business users. For ecommerce-focused platforms, see our Shopify vs WooCommerce comparison.

Scaling Your Email Marketing

Start with a free tier to learn the interface. As your list grows, automation becomes essential—welcome sequences, abandoned cart flows, and segmentation. Plan for deliverability: use double opt-in, maintain list hygiene, and avoid spam triggers. Most platforms offer migration tools if you need to switch later.

Conclusion

Mailchimp and MailerLite offer the most generous free tiers for getting started. ConvertKit suits creators who need landing pages and simple automation. Brevo is the choice if you want email plus CRM and other channels. ActiveCampaign delivers for advanced automation needs. Start with a free trial or free tier to test the interface before committing.