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Buttondown vs Postmark

Buttondown logo

Buttondown

Software

The easiest way to start and grow your newsletter

From
Free
Rated
-
Full reviewWebsite
Postmark logo

Postmark

Software

No hidden fees, no guesswork. Just the features you need, at a price that makes sense

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Buttondown limited built-in monetization compared to Substack, which offers native payment processing; Postmark free tier caps at 100 emails per month with no overages allowed

Where they differ

Only the attributes on which Buttondown and Postmark actually diverge.

Attributes where Buttondown and Postmark differ
AttributeButtondownPostmark
Pricing modelUnknownfreemium
Founded2017Unknown

Identical on both: starting price (Free), 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
  • Twitter

Only in Postmark

Nothing recorded that Buttondown does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Buttondown

  • Newsletter publishingnot Postmark
  • Email marketingnot Postmark
  • Audience buildingnot Postmark

Postmark

No use cases recorded yet. See the Postmark review.

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

Postmark

  • Free tier caps at 100 emails per month with no overages allowed
  • Basic plan ($15/mo) includes 10,000 emails then charges $1.80 per 1,000 extra; Pro and Platform tiers have their own lower per-1,000 overage rates ($1.30 and $1.20), so cost scales per email beyond the included volume
  • Custom high-volume pricing above the published tiers requires contacting sales

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

Postmark

Free

No published plan breakdown. See the Postmark review.

Which should you pick?

Choose Buttondown if

  • You need newsletter creation.
  • You want to start without paying.
  • You also want markdown support.
Buttondown review

Choose Postmark if

  • You want to start without paying.
Postmark review

Questions people ask

Is Buttondown or Postmark better?
Neither clearly leads. Buttondown starts at Free and Postmark at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buttondown or Postmark?
Buttondown starts at Free and Postmark at Free.
Does Buttondown or Postmark 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 Postmark is typically brought in for.
What can Buttondown do that Postmark cannot?
Buttondown covers Newsletter creation, Markdown support, Subscriber management, Analytics.

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.

Source
Buttondown: What editor options does Buttondown offer?

Buttondown supports Markdown, HTML, and WYSIWYG editors so you can compose newsletters in your preferred format.

Source
Buttondown: 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.

Source
Buttondown: 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.

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