Side-by-side comparison of two listed Marketing tools — real listing data only, no paid placement.
On record, they differ in: unique tags (Screaming Frog SEO Spider 2: #crawler #site-audit vs Serplux 3: #ai-seo #keyword-tracker #automation); category rank (Screaming Frog SEO Spider #12 vs Serplux #13). Same pricing model (Freemium) and 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
AI SEO tracker for search engine automation
Serplux offers a suite of free AI-powered SEO tools designed to automate optimization tasks. It includes features like a keyword tracker, site audit, content idea generator, and competitor monitoring. The platform provides a free forever plan with access to all AI agents, and a premium plan is available at a discounted rate.
Published 2026-08-08 · Links checked 2026-09-05
| Screaming Frog SEO Spider | Serplux | |
|---|---|---|
| Pricing | Freemium | Freemium |
| Category | Marketing | Marketing |
| Rank in Marketing | Position #12 of 64 | Position #13 of 64 |
| Alternatives listed | 11 → | 11 → |
| Shared tags | #seo | |
| Unique tags | #crawler #site-audit | #ai-seo #keyword-tracker #automation |
| Platforms | macOS · Windows · Linux | Not detected on official site (checked 2026-09-20) |
| Company | Screaming Frog | Not detected on official site (checked 2026-09-20) |
| 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 | — |
| Official channels | X (Twitter)LinkedInYouTubeInstagramFacebookdeclared on www.screamingfrog.co.uk via schema.org sameAs | — |
| Official website | www.screamingfrog.co.uk | serplux.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; Serplux is Freemium. 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); Serplux is listed as freemium (free tier alongside paid plans). 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 Serplux alternatives.