ApolloThe AI GTM System for Go-to-Market Teams
vs
Constant ContactTools to simplify and amplify digital marketing for small businesses
Comparison · Email Marketing · weekly run Nov 2
Apollo vs Constant Contact
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Constant Contact is the stronger AI pick in Email Marketing: it has a visibility score of 18.9 versus 0.4 for Apollo.
Choose Apollo if…
- AI answers describe it more positively (60% vs 33% positive)
- You need GDPR or SOC 2 or CCPA or ISO/IEC 27001 or CASA Tier 2 or CPRA or EU-US DPF or PCI DSS coverage
- Large B2B contact database combined with prospecting and email sequencing
- Transparent self-serve per-user pricing with a free tier
Choose Constant Contact if…
- You want the brand AI engines rank higher (18.9 vs 0.4)
- You prefer a larger, established vendor (1,001–5,000 employees)
- best for small businesses
- simple email campaigns for small businesses
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Apollo | Constant Contact |
|---|---|---|
| Visibility score | 0.4% | 18.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #40 | #8 |
| Share of voice | 0.3% | 5.1% |
| Mentions this run | 1 | 26 |
| Positive in AI answers | 60% | 33% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Apollo 0pp · Constant Contact 0pp over 0 weekly runs.
Engine by engine
Constant Contact leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
ApolloConstant Contact
Head to head in AI answers
0 engine answers name both brands
0Apollo ranked higher
0Constant Contact ranked higher
Features, pricing & fit
| Dimension | Apollo | Constant Contact |
|---|---|---|
| Pricing model | Per seat | — |
| Entry price | Contact sales | — |
| Free plan | Yes | — |
| Deployment | Cloud platform | Cloud-based |
| Integrations | 200+ | — |
| Compliance | GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS | — |
| Support | Email support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussions | — |
| Founded | 2015 | 1996 |
| Headquarters | San Francisco, CA | Waltham, Massachusetts, USA |
| Employees | 501–1,000 | 1,001–5,000 |
| Funding | Series D · $250M raised | Funding round led by Clearlake-managed vehicle Icon Partners VI (amount not disclosed) |
| 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 and nonprofits |
Plans side by side
Constant Contact
Pricing not available.
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
Constant Contact
- best for small businesses
- simple email campaigns for small businesses
- saves money with annual prepay discounts
- accessible campaign creation, automation and social tools
- best for nonprofits and events
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Apollo vs Constant Contact”, https://slateindex.ai/compare/apollo-vs-constant-contact, data of Nov 2, 2026. Licence: CC BY 4.0.