6sense vs Apollo
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Apollo is the stronger AI pick in Sales Engagement: it has a visibility score of 51 versus 0.3 for 6sense, and ranks ahead in 100% of the answers that name both.
Choose 6sense if…
- You need ISO/IEC 27001:2022 or SOC 2 Type 2 or TRUSTe GDPR validation coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
Choose Apollo if…
- You want the brand AI engines rank higher (51 vs 0.3)
- 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
AI visibility side by side
Latest weekly run · Nov 3
| Metric | 6sense | Apollo |
|---|---|---|
| Visibility score | 0.3% | 51% |
| Change vs last week | down−0.4% | down−2.8% |
| Rank in Sales Engagement | #42 | #4 |
| Share of voice | 0.1% | 9.4% |
| Mentions this run | 1 | 59 |
| Positive in AI answers | — | 60% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
6sense −0.39999999999999997pp · Apollo −2.799999999999997pp over 1 weekly runs.
Engine by engine
Apollo leads on 3 of 3 engines
Head to head in AI answers
1 engine answers name both brands
| Prompt | Engine | 6sense | Apollo |
|---|---|---|---|
| What should a sales engagement platform integrate with? | ChatGPT | #10 | #8 |
Features, pricing & fit
| Dimension | 6sense | Apollo |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | Contact sales |
| Free plan | — | Yes |
| Deployment | Subscription SaaS, priced by seat with extra fees tied to feature usage. | Cloud platform |
| Integrations | — | 200+ |
| Compliance | ISO/IEC 27001:2022, SOC 2 Type 2, TRUSTe GDPR validation | GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS |
| Support | Dedicated customer success managers, Quarterly business reviews | Email support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussions |
| Founded | 2013 | 2015 |
| Headquarters | San Francisco, California, United States | San Francisco, CA |
| Employees | 1,001–5,000 | 501–1,000 |
| Funding | Series B · $426M raised | Series D · $250M raised |
| Best for | Sales and marketing teams at B2B organizations. | Sales and go-to-market teams that run prospecting, outreach and dialing and want data, AI and execution in one system |
Plans side by side
6sense
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
6sense
Profile in progress.
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
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “6sense vs Apollo”, https://slateindex.ai/compare/6sense-vs-apollo, data of Nov 3, 2026. Licence: CC BY 4.0.