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Substack vs Kit (ConvertKit)(2026)

Substack is better for teams that need zero upfront cost. Kit (ConvertKit) is the stronger choice if best-in-class automations. Substack is freemium (from $0) and Kit (ConvertKit) is freemium (from $25/mo).

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

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Substack logo

Substack

freemium

Substack is the leading newsletter platform where writers publish for free and earn from paid subscriptions. With a built-in network effect and discovery features, it drives organic subscriber growth.

Starting at $0

Visit Substack
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 Substack and Kit (ConvertKit) Compare on Features?

FeatureSubstackKit (ConvertKit)
Pricing modelfreemiumfreemium
Starting price$0$25/mo
Free newsletter hosting
Paid subscriptions
Podcast hosting
Network/discovery
Notes (social feed)
Web publication
Referrals
Visual automation builder
Subscriber tagging
Landing pages
Paid newsletter (Creator Pro)
Broadcast emails
Commerce integration
A/B testing

Substack Pros and Cons vs Kit (ConvertKit)

S

Substack

+Zero upfront cost
+Built-in discovery network
+Simple setup
+Largest writer community
10% transaction fee on paid subs
Limited customization
No email list ownership portability
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 Substack or Kit (ConvertKit)?

Choose Substack if…

  • Zero upfront cost
  • Built-in discovery network
  • Simple setup

Choose Kit (ConvertKit) if…

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

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