Side-by-side comparison of two listed Marketing tools — real listing data only, no paid placement.
On record, they differ in: pricing (Serplux Freemium vs Ahrefs Paid); unique tags (Serplux 3: #ai-seo #keyword-tracker #automation vs Ahrefs 2: #backlinks #keywords); category rank (Serplux #13 vs Ahrefs not in top 50). Same category (Marketing). Listing facts only — not a recommendation.
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
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
| Serplux | Ahrefs | |
|---|---|---|
| Pricing | Freemium | Paid |
| Category | Marketing | Marketing |
| Rank in Marketing | Position #13 of 64 | not in top 50 of 64 |
| Alternatives listed | 11 → | 12 → |
| Shared tags | #seo | |
| Unique tags | #ai-seo #keyword-tracker #automation | #backlinks #keywords |
| Documentation | Not detected on official site (checked 2026-09-20) | help.ahrefs.com/ |
| Company | Not detected on official site (checked 2026-09-20) | Ahrefs |
| In their own words | — | 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)LinkedInYouTubeFacebookdeclared on ahrefs.com via schema.org sameAs |
| Official website | serplux.com | ahrefs.com |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Serplux is Freemium; Ahrefs is Paid. Both are listed in Marketing on ToolDock.
What they have in common: #seo
Serplux 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 Serplux alternatives and Ahrefs alternatives.