ApolloThe AI GTM System for Go-to-Market Teams
vs
KlaviyoKlaviyo is the autonomous CRM for B2C brands, built to turn what you know about your customers into real growth.
Comparison · Email Marketing · weekly run Nov 2
Apollo vs Klaviyo
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Klaviyo is the stronger AI pick in Email Marketing: it has a visibility score of 24 versus 0.4 for Apollo.
Choose Apollo if…
- AI answers describe it more positively (60% vs 55% 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
- Per seat pricing suits your budget better than usage-based
- Large B2B contact database combined with prospecting and email sequencing
Choose Klaviyo if…
- You want the brand AI engines rank higher (24 vs 0.4)
- You need more native integrations (400+ vs 200+)
- You need SOC 2 Type II or ISO 27001 or ISO 27017 coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Apollo | Klaviyo |
|---|---|---|
| Visibility score | 0.4% | 24% |
| Change vs last week | New | New |
| Rank in Email Marketing | #40 | #6 |
| Share of voice | 0.3% | 6.4% |
| Mentions this run | 1 | 33 |
| Positive in AI answers | 60% | 55% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Apollo 0pp · Klaviyo 0pp over 0 weekly runs.
Engine by engine
Klaviyo leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
ApolloKlaviyo
Head to head in AI answers
0 engine answers name both brands
0Apollo ranked higher
0Klaviyo ranked higher
Features, pricing & fit
| Dimension | Apollo | Klaviyo |
|---|---|---|
| Pricing model | Per seat | Usage-based |
| Entry price | Contact sales | Contact sales |
| Free plan | Yes | Yes |
| Deployment | Cloud platform | — |
| Integrations | 200+ | 400+ |
| Compliance | GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS | SOC 2 Type II, ISO 27001, ISO 27017 |
| Support | Email support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussions | Email support, Help Center and documentation, Klaviyo Academy courses, Klaviyo Community |
| Founded | 2015 | 2012 |
| Headquarters | San Francisco, CA | Boston, MA, United States |
| Employees | 501–1,000 | 1,001–5,000 |
| Funding | Series D · $250M raised | IPO |
| Best for | Sales and go-to-market teams that run prospecting, outreach and dialing and want data, AI and execution in one system | Ecommerce and direct-to-consumer brands that want email, SMS and customer data in one platform, from small businesses starting on the free plan to large enterprises. |
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
Klaviyo
- Leading choice for ecommerce, Shopify and online stores
- Deep data-driven behavioral automation and predictive analytics
- Email and SMS marketing for ecommerce brands
- Free to start with no credit card required
- Bills monthly only, with no standard annual billing discount
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Apollo vs Klaviyo”, https://slateindex.ai/compare/apollo-vs-klaviyo, data of Nov 2, 2026. Licence: CC BY 4.0.