Campaign Monitor vs Substack
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Campaign Monitor is the stronger AI pick in Email Marketing: it has a visibility score of 4.3 versus 0 for Substack.
Choose Campaign Monitor if…
- You want the brand AI engines rank higher (4.3 vs 0)
- You need GDPR or SOC 2 Type 1 coverage
- Good for traditional email campaigns
- 30-day free trial
Choose Substack if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Campaign Monitor | Substack |
|---|---|---|
| Visibility score | 4.3% | 0% |
| Change vs last week | New | New |
| Rank in Email Marketing | #18 | #55 |
| Share of voice | 1% | 0% |
| Mentions this run | 6 | 0 |
| Positive in AI answers | 0% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Campaign Monitor 0pp · Substack 0pp over 0 weekly runs.
Engine by engine
Campaign Monitor leads on 2 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | Campaign Monitor | Substack |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Contact sales | — |
| Free plan | No | — |
| Compliance | GDPR, SOC 2 Type 1 | — |
| Support | AI Support Agent, Email support, Phone support (Premier plan), Deliverability support | Help center, Resource center, Community and programs |
| Founded | 2004 | 2017 |
| Headquarters | Nashville, Tennessee | — |
| Employees | 201–500 | — |
| Funding | Recap | Series C · $200M raised |
| Best for | Small businesses, nonprofits, and marketing agencies | Writers, journalists, podcasters, video creators and media companies that want to sell subscriptions directly to readers |
Plans side by side
Substack
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Campaign Monitor
- Good for traditional email campaigns
- 30-day free trial
Substack
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Campaign Monitor vs Substack”, https://slateindex.ai/compare/campaign-monitor-vs-substack, data of Nov 2, 2026. Licence: CC BY 4.0.