ApolloThe AI GTM System for Go-to-Market Teams
vs
Campaign MonitorLaunch, engage, and grow faster with our email marketing platform.
Comparison · Email Marketing · weekly run Nov 2
Apollo vs Campaign Monitor
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 0.4 for Apollo.
Choose Apollo if…
- You want a free plan to start
- AI answers describe it more positively (60% vs 0% positive)
- You need SOC 2 or CCPA or ISO/IEC 27001 or CASA Tier 2 or CPRA or EU-US DPF or PCI DSS coverage
- You prefer a larger, established vendor (501–1,000 employees)
Choose Campaign Monitor if…
- You want the brand AI engines rank higher (4.3 vs 0.4)
- You need SOC 2 Type 1 coverage
- Flat tiers pricing suits your budget better than per seat
- Good for traditional email campaigns
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Apollo | Campaign Monitor |
|---|---|---|
| Visibility score | 0.4% | 4.3% |
| Change vs last week | New | New |
| Rank in Email Marketing | #40 | #18 |
| Share of voice | 0.3% | 1% |
| Mentions this run | 1 | 6 |
| Positive in AI answers | 60% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Apollo 0pp · Campaign Monitor 0pp over 0 weekly runs.
Engine by engine
Campaign Monitor leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
ApolloCampaign Monitor
Head to head in AI answers
0 engine answers name both brands
0Apollo ranked higher
0Campaign Monitor ranked higher
Features, pricing & fit
| Dimension | Apollo | Campaign Monitor |
|---|---|---|
| Pricing model | Per seat | Flat tiers |
| Entry price | Contact sales | Contact sales |
| Free plan | Yes | No |
| Deployment | Cloud platform | — |
| Integrations | 200+ | — |
| Compliance | GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS | GDPR, SOC 2 Type 1 |
| Support | Email support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussions | AI Support Agent, Email support, Phone support (Premier plan), Deliverability support |
| Founded | 2015 | 2004 |
| Headquarters | San Francisco, CA | Nashville, Tennessee |
| Employees | 501–1,000 | 201–500 |
| Funding | Series D · $250M raised | Recap |
| Best for | Sales and go-to-market teams that run prospecting, outreach and dialing and want data, AI and execution in one system | Small businesses, nonprofits, and marketing agencies |
Plans side by side
Pros and cons
Themes from the AI answers that mention each brand
Apollo
- Large B2B contact database combined with prospecting and email sequencing
- Transparent self-serve per-user pricing with a free tier
- Strong all-in-one value for prospecting and outreach
- Affordable, reliable choice for small teams and startups
- Widely used and highly rated by reviewers
Campaign Monitor
- Good for traditional email campaigns
- 30-day free trial
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Apollo vs Campaign Monitor”, https://slateindex.ai/compare/apollo-vs-campaign-monitor, data of Nov 2, 2026. Licence: CC BY 4.0.