Noxel SEO vs Semrush

Noxel SEO

Noxel SEO gives a fast, no-signup technical audit across roughly 50 signals and explains the findings in plain language through a built-in AI assistant, priced well under most full-suite SEO platforms. It's an audit tool rather than a full SEO suite, so it won't do keyword research or rank tracking.

Pros

• +No plugin, extension, or setup required — just paste a URL
• +Checks around 50 signals in about a minute, including Core Web Vitals and security headers
• +AI assistant explains findings and suggests fixes rather than just listing raw data
• +Paid tier is $19 a month, under most full SEO suites

Cons

• −Free tier is scan-only — the AI explanations and PDF export require the paid plan
• −Narrower scope than full SEO platforms; no rank tracking or keyword research

Semrush

Semrush is still the broadest single subscription for anyone who needs competitor traffic estimates, keyword gaps, rank tracking and a site crawler in one login, and its 2026 plans fold AI-answer tracking into the same projects. It is priced for marketing teams and agencies: at $139 a month before extra users and add-ons, a solo site owner pays for a great deal they will never open, and the Adobe acquisition makes the roadmap and pricing a question for a much larger company.

Pros

• +Keyword, traffic-estimate and backlink databases are Semrush's own, with historical data back to 2012 on higher tiers
• +AI-visibility tracking (ChatGPT, AI Overviews, AI Mode) is in the same project as keyword rankings from the $199 Starter plan
• +An API, a Chrome extension and an official Claude connector let the data leave the dashboard
• +A $0 plan and a seven-day trial on paid tiers mean the interface can be judged before paying
• +Terms name a single Delaware entity at a Boston address and were updated in August 2026 after the Adobe deal

Cons

• −Every plan is single-user; each extra seat starts at $45 per month on top
• −Keyword and prompt caps (500 keywords on the $139 and $199 plans) run out quickly across several sites
• −Traffic figures are estimates from clickstream models, and the gap from real analytics can be wide on small sites
• −Now part of Adobe, so pricing, packaging and data-sharing terms may change with the parent's enterprise strategy

Is Noxel SEO cheaper than Semrush?

On published entry prices, Noxel SEO starts lower — $19/mo against $139/mo for Semrush. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does Noxel SEO or Semrush have a free tier?

Both: Noxel SEO has a free tier, and Semrush has a free tier.

Which has a public API, Noxel SEO or Semrush?

Semrush ships a public API, as of our last verification. A public API for Noxel SEO is not confirmed by us — check its developer docs before you plan an integration.