Side by side

LibreCrawl vs Simfal

Both stand on seo tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

LibreCrawl

Free plan APILinuxMac+3

Pick LibreCrawl for free technical SEO audits, JavaScript rendering, and flexible crawl exports, especially if self-hosting matters. API users who need more than three guest crawls per day must use a session; every API endpoint requires one.

Visit LibreCrawl

Simfal

Free plan APISelf-hostedWeb

Simfal offers 28 free core SEO tools with audits, rankings, backlinks, integrations, and reports. Its AI-era tools extend the platform but depend on an Anthropic API key and estimated monthly usage costs.

Visit Simfal

The facts

	LibreCrawl	Simfal
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Mac, Self-hosted, Web, Windows	API, Self-hosted, Web
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	LibreCrawl	Simfal
Website	librecrawl.com	simfal.com
On seo tools	#52 of 245	#48 of 245

LibreCrawl: what it does well

Checks meta tags, schema, hreflang, social tags, and PageSpeed metrics.
Uses Playwright to crawl JavaScript applications in headed or headless mode.
Maker says it supports stable crawls of more than one million URLs.
Exports crawl data as CSV, JSON, or XML with custom field selection.
Free plan includes unlimited URLs and has no subscription.

What to know first

Guest API users are limited to three crawls per 24 hours.
Every REST API endpoint requires session-based authentication.

Simfal: what it does well

Free self-hosted core tools
Performs 44-plus checks per page
Includes rank tracking and backlink analysis
Connects Google Search Console and GA4
Creates branded PDF client reports

What to know first

No trial period
AI tools require an Anthropic API key
Typical AI usage may cost $5–10 monthly
Self-hosted setup is required

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