# Screaming Frog SEO Spider vs SEOnaut (2026): Free Alternative to Screaming Frog SEO Spider

Canonical: https://caniforkit.com/vs/screaming-frog-seo-spider-vs-seonaut
Last updated: 2026-08-11

Compare Screaming Frog SEO Spider ($23.55/mo) vs SEOnaut ($0/mo open source MIT alternative to Screaming Frog SEO Spider). Side-by-side breakdown of pricing, self-hosting setup, data storage, and practical trade-offs.

## Side-by-Side Comparison Matrix

| Feature / Metric | Screaming Frog SEO Spider | SEOnaut |
| --- | --- | --- |
| Monthly Subscription | $23.55/mo | $0.00 / month |
| 1-Seat Annual Cost | $283/yr | $0.00 / year |
| 5-Person Team Annual Cost | $1,413/yr | $0.00 / year |
| 10-Person Team Annual Cost | $2,826/yr | $0.00 / year |
| License Model | Proprietary Commercial SaaS | MIT |
| Hosting / Runtime | Vendor Cloud | Self-host |
| Data Ownership | Stored on vendor servers | Sites, crawl results and audit history live in the self-hosted MySQL database |
| GitHub Stars | Closed Source | ★ 751 |
| Code Repository | None | https://github.com/StJudeWasHere/seonaut |
| The Catch / Trade-off | Recurring subscription cost | It is a dependable checklist crawler but gives up Screaming Frog's raw-data depth, granular configuration, extraction and integration breadth. |

## About SEOnaut
A workmanlike crawler with issue severity, audit history and exports; less microscope, more dependable checklist.

- **Installation**: Docker Compose with MySQL 8.4, then expose the web UI behind HTTPS
- **Setup Notes**: Docker, MySQL and a reverse proxy are required; its default exposed port is plain HTTP
- **Data Storage**: Sites, crawl results and audit history live in the self-hosted MySQL database
- **Supported Platforms**: web, self-hosted, docker to self-host
- **The Catch vs Screaming Frog SEO Spider**: It is a dependable checklist crawler but gives up Screaming Frog's raw-data depth, granular configuration, extraction and integration breadth.

## Cost Savings Breakdown
Switching from Screaming Frog SEO Spider to SEOnaut eliminates ongoing per-seat subscriptions:
- **Solo / 1-seat**: Save **$283/year**
- **5-person team**: Save **$1,413/year**
- **10-person team**: Save **$2,826/year**

## Frequently Asked Questions

### Is SEOnaut a good free alternative to Screaming Frog SEO Spider?
Yes. SEOnaut is a verified open source (MIT) replacement for Screaming Frog SEO Spider. A workmanlike crawler with issue severity, audit history and exports; less microscope, more dependable checklist.

### What is the catch when switching from Screaming Frog SEO Spider to SEOnaut?
It is a dependable checklist crawler but gives up Screaming Frog's raw-data depth, granular configuration, extraction and integration breadth.

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