At a glance

MailerLite Buttondown
Best for Small businesses and creators wanting simple email Writers wanting a minimal, developer-friendly newsletter tool
Starting price Free Free
Free tier
Open source
Free tier available
Open source
API
Automations
Email Campaigns
Landing Pages
Markdown
Paid Subscriptions
RSS-to-Email
Surveys

MailerLite

Strengths

  • Includes Email Campaigns as a core feature, purpose-built for email marketing workflows
  • Includes Landing Pages as a core feature, purpose-built for email marketing workflows
  • Free for 1000 subscribers — generous enough for most small teams to get real work done
  • Established product with 16+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Deliverability depends on your sender reputation, which takes time to build
  • Limited team/admin features if your organization eventually scales up

Buttondown

Strengths

  • Full Markdown support with live preview for clean, structured notes
  • Includes Paid Subscriptions as a core feature, purpose-built for email marketing workflows
  • Free for 100 subscribers — generous enough for most small teams to get real work done
  • Includes api alongside the core feature set — fewer separate tools needed

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Developer-oriented tooling may not suit non-technical team members
  • Deliverability depends on your sender reputation, which takes time to build
  • Limited team/admin features if your organization eventually scales up

The bottom line

Pricing: Both tools offer free tiers, so you can test each before committing. MailerLite's free plan: Free for 1000 subscribers. Buttondown's free plan: Free for 100 subscribers.

Feature gaps: MailerLite offers Automations, Email Campaigns and Landing Pages that Buttondown lacks. Buttondown brings API, Markdown and Paid Subscriptions that MailerLite does not have.

Team fit: Both tools target individuals teams, so the decision hinges on features and workflow fit rather than scale.

Where each tool shines: MailerLite's biggest strengths are: includes email campaigns as a core feature, purpose-built for email marketing workflows. includes landing pages as a core feature, purpose-built for email marketing workflows. Buttondown's biggest strengths are: full markdown support with live preview for clean, structured notes. includes paid subscriptions as a core feature, purpose-built for email marketing workflows.

Watch out for: With MailerLite, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Buttondown, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose MailerLite if...

  • You need a tool built for small businesses and creators wanting simple email
  • You specifically need Automations and Email Campaigns
  • You care about includes landing pages as a core feature, purpose-built for email marketing workflows
  • The free tier works for you: free for 1000 subscribers

Choose Buttondown if...

  • You need a tool built for writers wanting a minimal, developer-friendly newsletter tool
  • You specifically need API and Markdown
  • You care about includes paid subscriptions as a core feature, purpose-built for email marketing workflows
  • The free tier works for you: free for 100 subscribers

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