No subscription

An SEO audit tool you pay for once

No monthly fee. No annual licence. No card on file. Try an instant check below, then buy one-time credits from $9 to audit your whole site - credits never expire.

Instant, free, no account needed - the same engine we run on 10+ of our own products.

Why pay monthly to audit your own site?

Almost every SEO crawler now bills monthly or annually - even the "cheap" ones. You end up paying year-round for a tool you open a few times a month.

Subscriptions add up

$100-250/mo suites, or "budget" tools at £95/mo and annual licences. That's hundreds to thousands a year, whether you run 2 audits or 200.

Lifetime deals overcharge upfront

One-time deals like Screpy ($59) or Ubersuggest LTD ($290+) make you pre-pay for unlimited access you may never fully use.

Kalenux: pay per audit

One-time credits from $9. A few sites cost a few dollars. Credits never expire, shared across all your sites. Buy more only when you run out.

One-time pricing, credits never expire

Subscriptions & licences

  • $100-250 / month, forever
  • Or £95/mo "budget" tools
  • Annual licence renewals
  • Card on file, auto-renew

Kalenux SEO Audit

  • $9 = 50 audits, one-time
  • $19 = 150, $49 = 500
  • Credits never expire
  • No card on file, no renewals

What every audit covers

A full site-wide technical crawl, not a one-page checker.

Links & redirects

Broken internal & outbound links, redirect chains, broken redirects, orphan pages.

Indexability

Noindex, canonical errors, pages that fell out of the index, non-canonical URLs in your sitemap.

Meta & structured data

Titles, meta descriptions, Open Graph, and JSON-LD schema errors that block rich results.

PageSpeed & Core Web Vitals

Real PageSpeed metrics per URL, slow pages, render-blocking assets.

International SEO

Hreflang correctness - missing reciprocals, language mismatches, broken hreflang.

Sitemaps & robots

Sitemap and robots.txt issues that stop search engines crawling you correctly.

Frequently asked questions

Is there an SEO audit tool with no subscription?

Yes - Kalenux uses one-time credits instead of a monthly subscription. Pay once (from $9 for 50 audits), credits never expire, no card on file. You only buy more when you actually run out.

How is pay-once cheaper than a lifetime deal?

Most SEO lifetime deals charge $59-990 upfront for unlimited access you may never use. Kalenux charges per audit with one-time credits from $9, so a few sites cost a few dollars total - you're not pre-paying for capacity you'll never touch.

Do the credits expire?

No. Buy a pack once and use it whenever - this month or next year. Credits are shared across every site in your account, which suits agencies auditing multiple client sites.

What does it check?

A site-wide technical crawl against 80+ checks - broken links, redirects, canonicals, hreflang, schema, sitemaps, indexability - plus real PageSpeed. It's a focused technical audit tool, not a keyword-research suite.

Switching from a monthly SEO tool

If you only use your SEO suite for the technical audit, you're paying $100+/month for a fraction of what it does. Here's how to switch the technical piece to pay-once.

1. Work out what you actually use it for

Most people open their SEO suite for two things: keyword research and technical audits. If you rarely touch the keyword side, you're paying a full subscription for the audit feature alone - which is exactly what a dedicated pay-once tool replaces.

2. Keep keyword research, move the audit

You don't have to give up your keyword tool. Many users keep a cheaper keyword option (or a free one) and move the technical audit to one-time credits - cutting the expensive subscription entirely while keeping every capability they relied on.

3. Run a baseline before you cancel

Audit your sites once with Kalenux (free to start) and export the reports. Once you've confirmed it covers your technical checks, cancel the subscription. Your one-time credits sit there for the next audit - no clock running.

Audit your site free, then pay once

No credit card to start. No subscription, ever.

Run my free SEO audit