# Endor Labs vs Sonar: who uses which

On usedby, 24 companies use Endor Labs and 53 use Sonar. 1 company uses both, including Citi. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 77 of 77 public lines checked.

## Side by side

|  | [Endor Labs](https://www.usedby.ai/tools/endor-labs.md) | [Sonar](https://www.usedby.ai/tools/sonar.md) |
|---|---|---|
| Public customers | 24 | 53 |
| Confirmed | 20 | 6 |
| Observed | 4 | 46 |
| Signals (job posts) | 0 | 1 |
| Top industries of customers | DevTools & Infrastructure (5), Data & Analytics (3), Cybersecurity (2) | IT Services & System Integration (7), Banking & Mortgages (5), Biotech & Pharma (4) |
| Category | Code Quality & Security | Code Quality & Security |
| Free trial | Free trial or free plan available. ([endorlabs.com](https://www.endorlabs.com/pricing), checked 2026-10-07) | Free trial or free plan available. ([sonarsource.com](https://www.sonarsource.com/plans-and-pricing/), checked 2026-10-07) |
| Integrations | Jira, GitHub, GitLab, Bitbucket, Jenkins, CircleCI, Buildkite, Slack, Vanta, Cursor, GitHub Copilot, ArmorCode ([endorlabs.com](https://www.endorlabs.com/integrations-languages), checked 2026-10-07) | GitHub ([sonarsource.com](https://www.sonarsource.com/integrations/github/), checked 2026-10-07) |
| Languages | Golang, Java, JavaScript, Kotlin, .NET (C#), PHP, Python, Ruby, Rust, Scala, Swift, TypeScript and 1 more ([endorlabs.com](https://www.endorlabs.com/integrations-languages), checked 2026-10-07) | — |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Citi](https://www.usedby.ai/companies/citi.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Sonar: [DEPT®](https://www.usedby.ai/case-studies/dept-sonar.md): **60%**: “issues are identified 60% faster” (published 2025-12-31)
- Sonar: [Xero](https://www.usedby.ai/case-studies/xero-sonar.md): **3,500 repositories**: “onboard 3,500 repositories” (published 2026-04-10)

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Source: https://www.usedby.ai/compare/endor-labs-vs-sonar · How we check: https://www.usedby.ai/methodology