# FYEO Custom Fuzz Testing vs SOOS SAST: side-by-side comparison (2026)

[FYEO Custom Fuzz Testing](https://cybersectools.com/tools/fyeo-custom-fuzz-testing) is a commercial [smart-contract scanning & dev security](https://cybersectools.com/categories/smart-contract-scanning) solution by [FYEO](https://cybersectools.com/companies/fyeo). [SOOS SAST](https://cybersectools.com/tools/soos-sast) is a commercial [static application security testing](https://cybersectools.com/categories/sast) solution by [SOOS](https://cybersectools.com/companies/soos). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | FYEO Custom Fuzz Testing | SOOS SAST |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Smart-Contract Scanning & Dev Security | Static Application Security Testing |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | FYEO | SOOS |
| Headquarters | – | – |

### Use cases and capabilities

| | FYEO Custom Fuzz Testing | SOOS SAST |
|---|---|---|
| Fuzzing | Yes | – |
| CI/CD | Yes | Yes |
| SAST | – | Yes |
| DevSecOps | – | Yes |
| SCA | – | Yes |
| DAST | – | Yes |
| SBOM | – | Yes |
| Security Scanning | – | Yes |

### Core features

**FYEO Custom Fuzz Testing**

8 features listed. Sign in on the page to see them.

**SOOS SAST**

9 features listed. Sign in on the page to see them.

### Integrations

**FYEO Custom Fuzz Testing**

No integrations listed.

**SOOS SAST**

16 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [FYEO Custom Fuzz Testing](https://cybersectools.com/tools/fyeo-custom-fuzz-testing) fits if you need both cloud and on-premises options.
- [SOOS SAST](https://cybersectools.com/tools/soos-sast) fits if you want a cloud product and you are a startup or a small business.

## FYEO Custom Fuzz Testing vs SOOS SAST FAQ

Common questions when comparing FYEO Custom Fuzz Testing vs SOOS SAST for smart-contract scanning & dev security.

### What is the difference between FYEO Custom Fuzz Testing and SOOS SAST?

**FYEO Custom Fuzz Testing**: Custom blockchain fuzz testing service with bespoke harnesses & CI integration. Built by FYEO.

**SOOS SAST**: SAST platform that runs scans and ingests SARIF results into a unified dashboard. Built by SOOS.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes FYEO Custom Fuzz Testing and SOOS SAST?

**FYEO Custom Fuzz Testing** is made by FYEO. **SOOS SAST** is made by SOOS. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is FYEO Custom Fuzz Testing a good alternative to SOOS SAST?

In part. FYEO Custom Fuzz Testing and SOOS SAST are not in the same category on CybersecTools. Both cover CI/CD. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [FYEO Custom Fuzz Testing vs Olympix Enterprise-Grade Security Tools](https://cybersectools.com/compare/fyeo-custom-fuzz-testing-vs-olympix-enterprise-grade-security-tools)
- [FYEO Custom Fuzz Testing vs Dedge Security W3SPM](https://cybersectools.com/compare/dedge-security-w3spm-vs-fyeo-custom-fuzz-testing)
- [FYEO Custom Fuzz Testing vs CredShields SolidityScan](https://cybersectools.com/compare/credshields-solidityscan-vs-fyeo-custom-fuzz-testing)
- [SOOS SAST vs Olympix Enterprise-Grade Security Tools](https://cybersectools.com/compare/olympix-enterprise-grade-security-tools-vs-soos-sast)
- [SOOS SAST vs Dedge Security W3SPM](https://cybersectools.com/compare/dedge-security-w3spm-vs-soos-sast)
- [SOOS SAST vs CredShields SolidityScan](https://cybersectools.com/compare/credshields-solidityscan-vs-soos-sast)

## Alternatives to each

- [See all FYEO Custom Fuzz Testing alternatives](https://cybersectools.com/alternatives/fyeo-custom-fuzz-testing)
- [See all SOOS SAST alternatives](https://cybersectools.com/alternatives/soos-sast)

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Source: https://cybersectools.com/compare/fyeo-custom-fuzz-testing-vs-soos-sast

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/fyeo-custom-fuzz-testing.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on FYEO Custom Fuzz Testing and SOOS SAST: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md