Software · head to head
Buttondown vs Mailbrew
The short version
- Each has a real cost: Buttondown limited built-in monetization compared to Substack, which offers native payment processing; Mailbrew free tier has limited digest count, source limits, and length restrictions
- They diverge on capability: Buttondown covers Newsletter creation, Mailbrew covers Custom digests.
Where they differ
Only the attributes on which Buttondown and Mailbrew actually diverge.
| Attribute | Buttondown | Mailbrew |
|---|---|---|
| Founded | 2017 | 2019 |
Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Buttondown
- Newsletter creation
- Markdown support
- Subscriber management
- Analytics
- Paid subscriptions
- Zapier
- Stripe
- Webhooks
Only in Mailbrew
- Custom digests
- Multiple sources
- Email delivery
- Scheduling
- Content filtering
- RSS
- YouTube
Both cover
- Web support
What people use each for
The jobs each tool is most often brought in to do.
Buttondown
- Newsletter publishingnot Mailbrew
- Email marketingnot Mailbrew
- Audience buildingnot Mailbrew
Mailbrew
- Content curationnot Buttondown
- News aggregationnot Buttondown
- Information managementnot Buttondown
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Buttondown
- Limited built-in monetization compared to Substack, which offers native payment processing
- Fewer growth and discovery features compared to Beehiiv or Ghost
- Smaller community and ecosystem than larger newsletter platforms
- Basic automation compared to full-featured email marketing platforms
- No native mobile app for managing newsletters on the go
Mailbrew
- Free tier has limited digest count, source limits, and length restrictions
- Requires upfront configuration and personalization effort to find settings suited to individual needs
- Shows all sources without deduplication, potentially resulting in duplicate content in digests
- Depends on upstream third-party APIs (Twitter, Reddit, YouTube) that can change terms or rate limits independently
Pricing, plan by plan
Buttondown
Free- Free$undefined/mo
- Up to 100 subscribers
- Core newsletter features
- Hosted archives
- Paid$undefined/mo
- Pricing scales by subscriber count above 100
- Add-on features from $9/month
Mailbrew
Free- FreeFree
- Multiple digest sources
- Email digest delivery
- Limited digest count
- Paid$null/mo
- Unlimited digests
- Unlimited sources
- No length limits
Which should you pick?
Choose Buttondown if
- You need newsletter creation.
- You want to start without paying.
- You also want markdown support.
Choose Mailbrew if
- You need custom digests.
- You want to start without paying.
- You also want multiple sources.
Questions people ask
- Is Buttondown or Mailbrew better?
- Neither clearly leads. Buttondown starts at Free and Mailbrew at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Buttondown or Mailbrew?
- Buttondown starts at Free and Mailbrew at Free.
- Does Buttondown or Mailbrew run on more platforms?
- Both run on Web, so platform support will not decide this one for you.
- Can I use Buttondown for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Buttondown best used for?
- Buttondown is most often used for newsletter publishing, email marketing, audience building. Of those, newsletter publishing and email marketing are not what Mailbrew is typically brought in for.
- What can Buttondown do that Mailbrew cannot?
- Buttondown covers Newsletter creation, Markdown support, Subscriber management, Analytics. Mailbrew covers Custom digests, Multiple sources, Email delivery, Scheduling. Both handle Twitter, Web support.
Answered from the vendors’ own pages
Buttondown: How much does Buttondown cost?
Buttondown is free for your first 100 subscribers and includes core newsletter features. After that, pricing scales based on subscriber count. Add-on features start at $9/month each.
SourceMailbrew: Is Mailbrew free?
Yes, Mailbrew is free to use as of 2026 after Evernomic's acquisition in November 2025. Free tier includes limited digest count, source limits, and length caps. Paid tier offers unlimited digests, sources, and no length limits.
SourceButtondown: What editor options does Buttondown offer?
Buttondown supports Markdown, HTML, and WYSIWYG editors so you can compose newsletters in your preferred format.
SourceMailbrew: What sources can Mailbrew monitor?
Mailbrew supports RSS feeds, Twitter/X, Reddit, YouTube, Google News, newsletters, and custom integrations.
SourceButtondown: Does Buttondown track analytics?
Analytics are disabled by default in Buttondown, prioritizing privacy. You can enable tracking if desired, and the platform is GDPR-compliant.
SourceMailbrew: How does Mailbrew deliver content?
Mailbrew collects content from multiple sources into scheduled email digests. You receive digests at your chosen time with a summary of new items from all your sources.
SourceButtondown: What is Buttondown's company structure?
Buttondown is an independent, self-funded, and profitable SaaS platform founded by Justin Duke with no plans to take external investment or change that model.
Mailbrew: Can I access Mailbrew on mobile?
Mailbrew offers a browser-based interface for viewing digests and managing sources, but a dedicated mobile app is not mentioned in available documentation.
SourceRelated pages
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