We've compared 2 tools across pricing, features, ratings, and reviews to help you make an informed decision. No paid placements — just facts.
Compare different tools →| Feature |  ConvertKit Email Marketing | S Simon Willison's Newsletter Email Marketing |
|---|---|---|
| Rating | No reviews yet | No reviews yet |
| Pricing |
as of Sep 5, 2026 | — |
| Pricing Model | Freemium | Free |
| Free Plan | ||
| Free Trial | 14 days |
| API Available |
| Verified | Verified |
| Founded | 2013 | — |
| HQ | Boise, Idaho, United States | — |
| Team Size | ~149 employees | — |
| Platforms | Web | — |
| Top Integrations | ShopifyTeachableSquarespaceZapier+3 more | — |
| Key Features |
| — |
| Description | ConvertKit (now Kit) is the email marketing platform built for creators. Used by 500,000+ bloggers, podcasters, YouTubers, and course creators to grow their audience, sell digital products, and run automated email funnels. | Simon Willison's Newsletter is the email edition of Simon Willison's weblog, delivering a working open-source developer's first-hand accounts of testing new AI models, LLMs, and coding tools as they ship, alongside Python and software-engineering writing. It's aimed at developers and technical practitioners deciding which AI tools and models are actually worth using. Its main differentiator is independence and technical credibility: Willison isn't funded by the AI labs he covers, and his takes come from real hands-on experimentation rather than marketing. |
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