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 Semrush Paid); platforms (Screaming Frog SEO Spider 3 official install links found vs Semrush 1 — store/installer links only); unique tags (Screaming Frog SEO Spider 2: #crawler #site-audit vs Semrush 2: #competitor-analysis #ads); category rank (Screaming Frog SEO Spider #12 vs Semrush 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
All-in-one visibility platform for SEO, ads and content
Semrush spans 55+ tools: keyword and competitor research, site audits, rank tracking, ad intelligence, social scheduling and AI content optimization. Marketing teams use it as a single console for organic and paid visibility.
Published 2026-08-06 · Links checked 2026-09-14
| Screaming Frog SEO Spider | Semrush | |
|---|---|---|
| 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 | #competitor-analysis #ads |
| Platforms | macOS · Windows · Linux | Web app (installable) |
| Documentation | Not detected on official site (checked 2026-09-15) | developer.semrush.com/api/ |
| Company | Screaming Frog | Semrush |
| 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 | Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.— official site (homepage description), checked |
| Official channels | X (Twitter)LinkedInYouTubeInstagramFacebookdeclared on www.screamingfrog.co.uk via schema.org sameAs | X (Twitter)LinkedInYouTubeInstagramFacebookTikTokdeclared on www.semrush.com via schema.org sameAs |
| Official website | www.screamingfrog.co.uk | www.semrush.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; Semrush 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); Semrush 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 Semrush alternatives.