Choosing between ConvertKit and Substack comes down to your specific use case. Both are legitimate email marketing platforms, but they serve different audiences. ConvertKit is built for creators, bloggers, and course sellers, while Substack targets writers monetising directly from subscribers. This comparison covers the key differences so you can decide quickly.
| Feature | ConvertKit | Substack |
|---|---|---|
| Starting price | $29/mo | $0/mo |
| Free plan | Yes | Yes |
| Best for | Creators, Bloggers, And Course Sellers | Writers Monetising Directly From Subscribers |
| Free subscriber limit | 1000 | -1 |
| G2 rating | 4.4 | 4.0 |
It depends on your use case. ConvertKit wins for creators, bloggers, and course sellers, while Substack is stronger for writers monetising directly from subscribers. Neither is objectively better — the right choice depends on your specific needs.
Substack starts at a lower price point ($0/mo vs $29/mo). However, pricing scales with subscriber count, so the total cost depends on your list size.
Yes, switching from Substack to ConvertKit is possible. Most platforms support CSV import/export for subscriber lists. Plan for some time to recreate automations and templates, as these rarely transfer directly between platforms.