# Nooks vs Outreach: who uses which

On usedby, 55 companies use Nooks and 35 use Outreach. No company is listed with both yet. 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: 87 of 90 public lines checked.

## Side by side

|  | [Nooks](https://www.usedby.ai/tools/nooks.md) | [Outreach](https://www.usedby.ai/tools/outreach.md) |
|---|---|---|
| Public customers | 55 | 35 |
| Confirmed | 40 | 22 |
| Observed | 12 | 12 |
| Signals (job posts) | 3 | 1 |
| Top industries of customers | DevTools & Infrastructure (8), Sales Tech & CRM (5), Cybersecurity (4) | Data & Analytics (6), Cybersecurity (4), Telecommunications (4) |
| Category | Cold Email & Outreach | Cold Email & Outreach |
| Security | SOC 2 Type II, ISO 27001 ([trust.nooks.ai](https://trust.nooks.ai/), checked 2026-10-07) | SOC 2 Type II, ISO 27001, ISO 27701, ISO 42001, HIPAA ([outreach.ai](https://www.outreach.ai/platform/trust), checked 2026-10-04) |
| Data processing terms | A data processing agreement is available. ([nooks.ai](https://www.nooks.ai/dpa), checked 2026-10-07) | — |

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Source: https://www.usedby.ai/compare/nooks-vs-outreach · How we check: https://www.usedby.ai/methodology