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Head to head · 2026

crawler.sh vs On-Page.ai

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

crawler.sh

Crawler.sh runs SEO audits and Markdown content extraction from a local Rust-based crawler instead of a…

3.9$8.25/mo

Visit crawler.sh (opens crawler.sh in a new tab)

On-Page.ai

SEO optimization suite that scans pages the way Google does, then generates keyword, link and content…

3.5$129/mo

Visit On-Page.ai (opens On-Page.ai in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    crawler.sh

    From $8.25/mo against from $129/mo

  • Free plan

    crawler.sh

    Only crawler.sh has one

  • Higher rating

    crawler.sh

    3.9 against 3.5

  • Same job?

    Yes

    Both are SEO tools

Side by side

Compared oncrawler.shOn-Page.ai
Our rating3.9Better3.5
Starts at$8.25/moBetter$129/mo
Free planYesBetterNo
CategorySEOSEO
Plans
  • Free$0
  • CLI Pro$99/year
  • Desktop Pro$99/year
From $129/mo
Key features
  • Local-first crawling with no cloud service or per-page fees
  • 24 automated SEO checks including thin content and duplicate description detection
  • Clean Markdown extraction built for AI training and RAG pipelines
  • Native desktop app plus terminal and CLI access built on Rust and Tauri
  • JavaScript rendering through a custom engine, no headless Chrome dependency
  • Google-style page crawling for accurate on-page scoring and recommendations
  • Topical keyword research and link relevancy analysis
  • Predictive guest-post content scoring before publishing
  • One-click Auto-Optimizer for inserting related entities into existing content
  • Built-in AI-content detection scanner for a site's own published pages
Pros
  • Running locally avoids the recurring cloud costs typical crawlers charge
  • Free tier's 400-pages-per-session limit covers most small-to-mid site audits
  • Markdown output is purpose-built for feeding AI training and RAG pipelines
  • Created by a named, independently checkable SEO expert rather than an anonymous team
  • Real customer testimonials and a stated 100% money-back ranking guarantee
  • Broad toolset covering on-page, keyword, link and content workflows in one product
Cons
  • Built and maintained by one developer, a continuity risk versus funded competitors
  • New product launched March 2026, limited independent long-term reviews
  • Local-only architecture means no built-in team collaboration or shared dashboards
  • Its Stealth Writer add-on is explicitly built to defeat AI-content detectors before publishing
  • Higher-volume content plans climb past $999 per month fast
  • Stealth Writer articles are excluded from the money-back guarantee
Companycrawler.sh, founded 2026On-Page.ai

Prices come from each vendor's pricing page, last checked 20260923. Check the vendor before you buy.

FAQ

Questions people ask

Is crawler.sh better than On-Page.ai?

In our reviews crawler.sh scores 3.9 and On-Page.ai scores 3.5. The better pick depends on the job. crawler.sh: Crawler.sh runs SEO audits and Markdown content extraction from a local Rust-based crawler instead of a cloud crawling service. On-Page.ai: SEO optimization suite that scans pages the way Google does, then generates keyword, link and content recommendations to improve rankings, alongside an AI article-writing add-on.

Which is cheaper, crawler.sh or On-Page.ai?

crawler.sh has the lower starting price: from $8.25/mo for crawler.sh and from $129/mo for On-Page.ai.

Do crawler.sh and On-Page.ai have free plans?

Only crawler.sh has a free plan.

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