ConvertKit — ConvertKit is a creator marketing platform built for email marketing and automations. It works best for Course creators and coaches nurturing leads through email sequences and Newsletter writers monetizing subscriber lists through digital products.
Substack — Substack is a newsletter platform that lets writers publish and monetize directly to subscribers. It works best for Independent writers and journalists and Creators monetizing written content.
This comparison covers pricing, key strengths and limitations, and what each tool does best to help you choose the right fit for your workflow.
Quick Comparison
Feature
ConvertKit
Substack
Rating
4.8 / 5
4.5 / 5
Pricing Model
Freemium
Free
Starting Price
Free / $9/mo
Free
Category
Marketing & Lead Generation
Marketing & Lead Generation
Free Plan
✓ Yes
✓ Yes
Pros & Cons
ConvertKit
Pros
Visual automation builder creates complex subscriber journeys — onboarding sequences, purchase follow-ups, and conditional branching — without writing code
Tag-based subscriber management is more flexible than list-based systems for creators running multiple content streams simultaneously
Creator Network enables paid newsletter recommendation partnerships with per-subscriber revenue tracking built in
Native integrations with Teachable, Gumroad, Shopify, and Kajabi trigger emails automatically based on course or product purchases
Cons
Landing page builder and website tools are functional but limited compared to dedicated tools like Unbounce or Leadpages
Email template design is intentionally simple — built for plain-text newsletters rather than heavily designed promotional campaigns
Pricing increases significantly at larger list sizes — 100,000 subscribers costs /mo on Creator, which is steep relative to alternatives
Substack
Pros
Free to start — Substack takes a 10% cut only when you add paid subscriptions
Built-in payment processing for paid newsletters
Podcast and video support alongside written content
Readers can discover your newsletter via the Substack network
Cons
10% fee on paid subscriptions is higher than some alternatives
Limited design customization compared to platforms like Ghost
No advanced automation or segmentation tools
Who Is It For?
ConvertKit is best for
Course creators and coaches nurturing leads through email sequences
Newsletter writers monetizing subscriber lists through digital products
Bloggers and content creators building automated sales funnels
Podcasters growing and segmenting audience relationships
Course creators and coaches nurturing leads through email sequences
Newsletter writers monetizing subscriber lists through digital products
Bloggers and content creators building automated sales funnels
Podcasters growing and segmenting audience relationships
Choose Substack if…
Independent writers and journalists
Creators monetizing written content
Newsletters with strong community engagement
Writers moving away from ad-supported media
Frequently Asked Questions
Is ConvertKit better than Substack?+
ConvertKit scores 4.8/5 vs Substack's 4.5/5 in our editorial ratings, making it the higher-rated option overall. ConvertKit is especially strong for Course creators and coaches nurturing leads through email sequences.
Which is cheaper, ConvertKit or Substack?+
Both tools offer free access. ConvertKit is freemium. Paid plans start from Free / $9/mo. Substack is free. Paid plans start from Free (revenue share).
What is the main difference between ConvertKit and Substack?+
ConvertKit is a creator marketing platform built for email marketing and automations. Substack is a newsletter platform that lets writers publish and monetize directly to subscribers. The key distinction is focus: ConvertKit is best suited for Course creators and coaches nurturing leads through email sequences, while Substack works better for Independent writers and journalists.
Verdict
Recommended choice
ConvertKit
Based on our editorial ratings, ConvertKit scores higher (4.8/5 vs 4.5/5). ConvertKit is particularly well-suited for Course creators and coaches nurturing leads through email sequences. That said, Substack remains a strong choice if independent writers and journalists is your priority.