Mailchimp vs Substack
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Mailchimp is the stronger AI pick in Email Marketing: it has a visibility score of 45.4 versus 0 for Substack.
Choose Mailchimp if…
- You want the brand AI engines rank higher (45.4 vs 0)
- You need SOC 2 Type II or EU-US Data Privacy Framework coverage
- Easy to use, beginner-friendly
- Drag-and-drop email design and templates
Choose Substack if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Mailchimp | Substack |
|---|---|---|
| Visibility score | 45.4% | 0% |
| Change vs last week | New | New |
| Rank in Email Marketing | #1 | #55 |
| Share of voice | 9.6% | 0% |
| Mentions this run | 48 | 0 |
| Positive in AI answers | 35% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Mailchimp 0pp · Substack 0pp over 0 weekly runs.
Engine by engine
Mailchimp leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | Mailchimp | Substack |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $13 / mo | — |
| Free plan | Yes | — |
| Integrations | 300+ | — |
| Compliance | SOC 2 Type II, EU-US Data Privacy Framework | — |
| Support | Phone and priority support on Premium, 24/7 email and chat support on Standard and Essentials, Email support for the first 30 days on Free, Guides and tutorials | Help center, Resource center, Community and programs |
| Founded | 2001 | 2017 |
| Headquarters | Atlanta, Georgia, United States | — |
| Employees | 1,001–5,000 | — |
| Funding | — | Series C · $200M raised |
| Best for | Growing businesses, including small businesses, retailers, nonprofits and creators that want email, SMS and automation in one platform | Writers, journalists, podcasters, video creators and media companies that want to sell subscriptions directly to readers |
Plans side by side
Mailchimp
Substack
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Mailchimp
- Easy to use, beginner-friendly
- Drag-and-drop email design and templates
- Most popular, widely recognised market leader
- Strongest overall general-purpose choice
- Free tier and broad integrations
- Tight free plan limits
- No standard annual billing discount
- Penalises cold lists
Substack
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Mailchimp vs Substack”, https://slateindex.ai/compare/mailchimp-vs-substack, data of Nov 2, 2026. Licence: CC BY 4.0.