# 6sense vs Apollo: who uses which

On usedby, 32 companies use 6sense and 71 use Apollo. 1 company uses both, including Snowflake. 1 more company appears on both with a job post (the weakest proof) on one side, counted apart. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-08: 92 of 103 public lines checked.

## Side by side

|  | [6sense](https://www.usedby.ai/tools/6sense.md) | [Apollo](https://www.usedby.ai/tools/apollo.md) |
|---|---|---|
| Public customers | 32 | 71 |
| Confirmed | 19 | 63 |
| Observed | 11 | 8 |
| Signals (job posts) | 2 | 0 |
| Top industries of customers | Cybersecurity (4), Marketing Tech (4), Data & Analytics (3) | HR & Recruiting (6), Data & Analytics (3), DevTools & Infrastructure (3) |
| Category | Sales Prospecting & Enrichment | Sales Prospecting & Enrichment |
| Security | SOC 2 (type not stated), ISO 27001, ISO 42001 ([trust.6sense.com](https://trust.6sense.com/), checked 2026-10-04) | — |
| Data processing terms | A data processing agreement is available. ([trust.6sense.com](https://trust.6sense.com/), checked 2026-10-04) | — |
| Free trial | — | Free trial or free plan available. ([apollo.io](https://www.apollo.io/pricing), checked 2026-10-04) |
| Integrations | — | HubSpot, Salesforce, Slack, Adobe Marketo, Airtable, Albato, Amplitude, Asana, Clay, ClickUp, Coda, Chili Piper ([apollo.io](https://www.apollo.io/product/integrations), checked 2026-10-04) |
| Pricing | — | Free: $0; Basic: $49 Per seat per month, billed annually; Professional: $79 Per seat per month, billed annually; Organization: $119 Per seat per month, (min 3 seats) billed annually ([apollo.io](https://www.apollo.io/pricing), checked 2026-10-04) |

## Companies named on both

Confirmed or observed on each side. The first public proof is not an adoption date.

| Company | First public proof, Apollo |
|---|---|
| [Snowflake](https://www.usedby.ai/companies/snowflake.md) | On or before August 2026 |

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Source: https://www.usedby.ai/compare/6sense-vs-apollo · How we check: https://www.usedby.ai/methodology