ConvertKit vs Substack: Side-by-Side Comparison 2026
ConvertKit: ConvertKit (now Kit) is the go-to email platform for creators who want simple automation and built-in commerce without the complexity of enterprise tools. Substack: Substack is the simplest way for writers to start a paid newsletter, but its 10% revenue cut and limited customization push serious publishers toward alternatives.
Data verified 2026-03-13
How do ConvertKit and Substack compare at a glance?
What features does each platform offer?
ConvertKit key features
- Visual automation builder for email sequences
- Subscriber tagging and segmentation
- Landing pages and signup forms
- Creator commerce for digital products
- Newsletter referral program
- Integrations with creator tools (Teachable, Gumroad, etc.)
Substack key features
- Simple publishing for newsletters and blogs
- Built-in paid subscription management
- Substack Notes social network for discovery
- Podcast and video hosting
- Community chat for subscribers
- No upfront costs — revenue share model
Which is cheaper, ConvertKit or Substack?
ConvertKit pricing
Model: freemium
From: $39/month
Free: Up to 10000 users
Enterprise: No
Substack pricing
Model: freemium
From: 10% of paid subscription revenue
Enterprise: No
When should you choose ConvertKit vs Substack?
Choose ConvertKit when...
- Creators and bloggers building an audience
- Digital product sellers wanting built-in commerce
- Newsletter writers who need simple automation
Choose Substack when...
- Independent writers monetizing through paid subscriptions
- Journalists building a personal media brand
- Writers who want zero setup and just want to write
Company overview
ConvertKit
Creator-focused email marketing with landing pages and commerce.
Substack
Publishing platform for independent writers with paid subscriptions.
Frequently asked questions
Is ConvertKit or Substack better?
It depends on your needs. ConvertKit is best for creators and bloggers building an audience. Substack is best for independent writers monetizing through paid subscriptions.
Which is cheaper, ConvertKit or Substack?
ConvertKit starts at $39/month. Substack starts at 10% of paid subscription revenue. Total cost depends on team size and required features.
Can I switch from ConvertKit to Substack?
Yes, many teams migrate between ConvertKit and Substack. Most email marketing tools offer import/export functionality. Consider running both tools in parallel during the transition period.
What do users say about ConvertKit vs Substack?
ConvertKit has a 4.4/5 rating on G2 with 217 reviews. Substack has a 4.4/5 rating on G2 with 100 reviews.
Why not just use ChatGPT?
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Real data, real sources, real intelligence.
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ConvertKit and Substack are trademarks of their respective owners. Rivalize is not affiliated with either company. All information is sourced from publicly available data.