At a glance

Substack MailerLite
Best for Writers who want to monetize with paid subscriptions Small businesses and creators wanting simple email
Starting price Free Free
Free tier
Open source
Free tier available
Open source
Automations
Community
Discovery Network
Email Campaigns
Landing Pages
Mobile App
Paid Subscriptions
Podcasts
Surveys

Substack

Strengths

  • Free to use — takes 10% of paid subscriber revenue
  • Built-in discovery and recommendation network
  • Simple, distraction-free writing experience
  • Mobile app for readers

Weaknesses

  • 10% revenue cut is steep at scale
  • Very limited customization
  • Basic analytics
  • No automation or segmentation

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

The bottom line

Pricing: Both Substack and MailerLite are free. You can try both without spending a dollar.

Feature gaps: Substack offers Community, Discovery Network and Mobile App that MailerLite lacks. MailerLite brings Automations, Email Campaigns and Landing Pages that Substack 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: Substack's biggest strengths are: free to use — takes 10% of paid subscriber revenue. built-in discovery and recommendation network. 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.

Watch out for: With Substack, users commonly note that 10% revenue cut is steep at scale. With MailerLite, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Substack if...

  • You need a tool built for writers who want to monetize with paid subscriptions
  • You specifically need Community and Discovery Network
  • You care about built-in discovery and recommendation network

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

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