Comparison · Updated 2026-07-21
Screaming Frog is the workhorse technical crawler most SEO professionals installed before Aevra existed. It runs locally on your machine, supports custom extraction, and indexes a few million URLs on a normal laptop. Aevra is read-only too, but lives in the browser and ships ready-to-paste fix snippets. This page breaks down the differences so you can pick the right tool for the job.
TL;DR: If you crawl your own site deeply and rely on custom extraction, Screaming Frog is hard to beat. If you want fast, AI-search-aware on-page audits that come with copy-paste fixes, Aevra is.
| Capability | Screaming Frog | Aevra |
|---|---|---|
Runs in the browser (no install) Screaming Frog needs a desktop install; Aevra is a web app. | — | ✓ Yes |
Crawl hundreds of thousands of URLs locally Aevra audits the page you point it at — depth-crawling is not the goal. | ✓ Yes | — |
On-page audit checklist (18 checks) Screaming Frog surfaces the same checks via filters but the user has to interpret them. | ~ Partial | ✓ Yes |
Copy-paste fix snippet generator Aevra turns each finding into ready-to-paste HTML, schema, or robots.txt. | — | ✓ Yes |
llms.txt / FAQ schema / structured data audit Aevra is built around AI-search signals; Screaming Frog flags them only if you set up a custom extraction. | — | ✓ Yes |
Custom extraction via XPath / regex Screaming Frog wins for bespoke audit pipelines. | ✓ Yes | — |
JavaScript rendering (headless Chromium) Both require configuration to render JS-heavy pages. | ~ Partial | ~ Partial |
Brand mention tracking across AI engines (OpenAI / Anthropic / Perplexity / Gemini) | — | ✓ Yes |
Pricing | £149/yr (Pro) | $19/mo (Starter) |
Best for | in-house SEOs running recurring crawls | founders / PMs / marketers auditing their own pages fast |
You manage a large site (10k+ URLs) and need repeated full-domain crawls. Custom XPath extraction is your bread and butter. You run the tool locally and trust a desktop binary. When the audit needs to ingest log files or JavaScript-rendered content with headless Chromium, Screaming Frog is built for that.
You ship pages weekly and want each one to perform in ChatGPT, Claude, Perplexity, and Google AI Overviews. You want fixes, not just findings. You prefer a web tool you can open in any browser without installing anything. You want AI-search-specific checks (llms.txt, FAQ schema, structured data, semantic headings) without setting up custom extraction.
Screaming Frog is the workhorse technical crawler most SEO professionals installed before Aevra existed. It runs locally on your machine, supports custom extraction, and indexes a few million URLs on a normal laptop. Aevra is read-only too, but lives in the browser and ships ready-to-paste fix snippets. This page breaks down the differences so you can pick the right tool for the job.
You manage a large site (10k+ URLs) and need repeated full-domain crawls. Custom XPath extraction is your bread and butter. You run the tool locally and trust a desktop binary. When the audit needs to ingest log files or JavaScript-rendered content with headless Chromium, Screaming Frog is built for that.
You ship pages weekly and want each one to perform in ChatGPT, Claude, Perplexity, and Google AI Overviews. You want fixes, not just findings. You prefer a web tool you can open in any browser without installing anything. You want AI-search-specific checks (llms.txt, FAQ schema, structured data, semantic headings) without setting up custom extraction.
No. Aevra is read-only. Every fix is a copy-paste snippet you apply yourself. This is a deliberate design choice — auditing should not include write access to production.
Yes. The Growth plan ($79/mo) tracks brand mentions and citations across OpenAI (ChatGPT), Anthropic (Claude), Perplexity, and Google Gemini. It flags brand misrepresentation and shows whether your site shows up in cited answers.
Yes — most Aevra users also have a backlink/keyword tool. Aevra focuses on the on-page layer and AI-search signals; it does not replace backlink analysis or keyword research.
Audit any page in 30 seconds. No card required. AI-generated fix snippets from $19/mo with a 30-day money-back guarantee.
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