DevVersus

Buttondown vs Kit (ConvertKit)(2026)

Buttondown is better for teams that need developer-friendly api. Kit (ConvertKit) is the stronger choice if best-in-class automations. Buttondown is freemium (from $9/mo) and Kit (ConvertKit) is freemium (from $25/mo).

Full feature breakdown, pricing details, and pros & cons below.

By Bikram Nath

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Buttondown logo

Buttondown

freemium

Buttondown is a small, developer-friendly newsletter platform with a Markdown editor, powerful API, paid subscriptions, and minimal interface — beloved by technical writers and indie hackers.

Starting at $9/mo

Visit Buttondown
Kit (ConvertKit) logo

Kit (ConvertKit)

freemium

Kit (formerly ConvertKit) is creator-focused email marketing with visual automations, subscriber tagging, landing pages, and paid newsletter support — built for bloggers, podcasters, and creators.

Starting at $25/mo

Visit Kit (ConvertKit)

How Do Buttondown and Kit (ConvertKit) Compare on Features?

FeatureButtondownKit (ConvertKit)
Pricing modelfreemiumfreemium
Starting price$9/mo$25/mo
Markdown editor✓—
REST API✓—
Paid subscriptions✓—
Import from any platform✓—
Automations✓—
Custom domain✓—
Minimal UI✓—
Visual automation builder—✓
Subscriber tagging—✓
Landing pages—✓
Paid newsletter (Creator Pro)—✓
Broadcast emails—✓
Commerce integration—✓
A/B testing—✓

Buttondown Pros and Cons vs Kit (ConvertKit)

B

Buttondown

+Developer-friendly API
+Affordable
+No bloat
+Good deliverability
−Limited templates
−Smaller ecosystem
−Less growth tooling
K

Kit (ConvertKit)

+Best-in-class automations
+Strong creator ecosystem
+Good deliverability
+Free up to 10k subscribers
−Fewer design templates
−More expensive than Mailchimp
−Limited analytics on lower plans

Should You Use Buttondown or Kit (ConvertKit)?

For most teams, Buttondown is the better default: it offers developer-friendly api and is freemium (from $9/mo). Choose Kit (ConvertKit) instead if best-in-class automations matters more than limited templates. There is no universal winner — the right pick depends on your budget, team size, and whether you value developer-friendly api or best-in-class automations more.

Choose Buttondown if…

  • •Developer-friendly API
  • •Affordable
  • •No bloat

Choose Kit (ConvertKit) if…

  • •Best-in-class automations
  • •Strong creator ecosystem
  • •Good deliverability

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