What is the difference between Substack and Buttondown?

Substack is best for Writers who want to monetize with paid subscriptions, while Buttondown is best for Writers wanting a minimal, developer-friendly newsletter tool. Substack starts at Free and Buttondown starts at Free.

Is Substack or Buttondown cheaper?

Substack starts at Free and is free. Buttondown starts at Free with a free tier.

Is there a free alternative to Buttondown?

Both Substack and Buttondown offer free tiers.

Substack vs Buttondown

Substack is newsletter and publishing platform with built-in paid subscriptions, while Buttondown is simple, elegant newsletter tool with markdown support, automation, and paid subscriptions. Substack is built for writers who want to monetize with paid subscriptions, whereas Buttondown targets writers wanting a minimal, developer-friendly newsletter tool.

At a glance

	Substack	Buttondown
Best for	Writers who want to monetize with paid subscriptions	Writers wanting a minimal, developer-friendly newsletter tool
Starting price	Free	Free
Free tier	✓	✓
Open source	—	—
Free tier available	✓	✓
Open source	—	—
API	—	✓
Community	✓	—
Discovery Network	✓	—
Markdown	—	✓
Mobile App	✓	—
Paid Subscriptions	✓	✓
Podcasts	✓	—
RSS-to-Email	—	✓

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

Try Substack → Full review

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

Try Buttondown → Full review

The bottom line

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

Feature gaps: Substack offers Community, Discovery Network and Mobile App that Buttondown lacks. Buttondown brings API, Markdown and RSS-to-Email that Substack does not have. Both share Paid Subscriptions.

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. 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 Substack, users commonly note that 10% revenue cut is steep at scale. With Buttondown, 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 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