Both are strong choices. The short answer: pick Substack if you are writers monetizing directly with subscriptions. Pick Kit if you are creators, coaches and newsletter authors.
| Substack | Kit | |
|---|---|---|
| In one line | Publish a free or paid newsletter with zero setup. | Creator-first email marketing, formerly ConvertKit, with powerful tagging and paid newsletter tools. |
| Pricing | Free; 10% of paid subscriptions | Free to 10k subscribers; from $25/mo |
| Free tier | Yes | Yes |
| Best for | Writers monetizing directly with subscriptions | Creators, coaches and newsletter authors |
| Category | Email Marketing | Email Marketing |
| Website | substack.com | kit.com |
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