Side-by-side comparison of two listed Marketing tools — real listing data only, no paid placement.
On record, they differ in: pricing (Screaming Frog SEO Spider Freemium vs Ahrefs Paid); unique tags (Screaming Frog SEO Spider 2: #crawler #site-audit vs Ahrefs 2: #backlinks #keywords); category rank (Screaming Frog SEO Spider #12 vs Ahrefs not in top 50). Same category (Marketing). Listing facts only — not a recommendation.
The desktop crawler every technical SEO relies on
Screaming Frog's SEO Spider crawls websites like a search engine to surface broken links, redirect chains, duplicate content, metadata issues and JavaScript rendering problems. Free up to 500 URLs, licensed beyond.
Published 2026-08-06 · Links checked 2026-09-14
Industry-standard SEO toolset powered by a massive link index
Ahrefs crawls the web at scale to power backlink analysis, keyword research, rank tracking and site audits. Its Site Explorer and Keywords Explorer are staples for SEO professionals sizing up competitors and content gaps.
Published 2026-08-06 · Links checked 2026-09-14
| Screaming Frog SEO Spider | Ahrefs | |
|---|---|---|
| Pricing | Freemium | Paid |
| Category | Marketing | Marketing |
| Rank in Marketing | Position #12 of 64 | not in top 50 of 64 |
| Alternatives listed | 11 → | 12 → |
| Shared tags | #seo | |
| Unique tags | #crawler #site-audit | #backlinks #keywords |
| Platforms | macOS · Windows · Linux | Not detected on official site (checked 2026-09-07) |
| Documentation | Not detected on official site (checked 2026-09-15) | help.ahrefs.com/ |
| Company | Screaming Frog | Ahrefs |
| In their own words | We run remarkably successful search engine optimisation (SEO) and paid search (PPC) campaigns using a unique blend of data, technology & creativity.— official site (homepage description), checked | We help marketers drive visibility across AI search, SEO, content, and social – with the largest AI and search databases online.— official site (homepage description), checked |
| Official channels | X (Twitter)LinkedInYouTubeInstagramFacebookdeclared on www.screamingfrog.co.uk via schema.org sameAs | X (Twitter)LinkedInYouTubeFacebookdeclared on ahrefs.com via schema.org sameAs |
| Official website | www.screamingfrog.co.uk | ahrefs.com |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
Screaming Frog SEO Spider is Freemium; Ahrefs is Paid. Both are listed in Marketing on ToolDock.
What they have in common: #seo
Screaming Frog SEO Spider is listed as freemium (free tier alongside paid plans); Ahrefs is listed as paid — no free tier on record. Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are Marketing tools listed on ToolDock, and they share the tag seo.
ToolDock keeps a tag-matched alternatives list for each: see Screaming Frog SEO Spider alternatives and Ahrefs alternatives.