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DiagnoSEO alternatives

As of Oct 23, 2026, the highest-graded DiagnoSEO alternative is NeuronWriter (2.8 GPA). The best free one is SEOptimer (2.6 GPA).

DiagnoSEO compared with 5 alternatives: SEOptimer, Seobility, SE Ranking, Semrush and NeuronWriter.

DiagnoSEO is a paid product with a free trial, starting at $9 per user / month, billed monthly. 3 of the 5 alternatives are free or have a free plan. 2 more offer a free trial.

Listings checked up to Oct 23, 2026 · Where the facts come from

At a glance

ToolPriceFree planRuns on
DiagnoSEOThis toolFree trial · from $9/moTrial onlyWeb
SEOptimerFree plan · from $21.75/moYesWeb, Browser extension
SeobilityFree plan · from $69.90/moYesWeb
SE RankingFree trial · from $103.20/moTrial onlyWeb
SemrushFree plan · from $117.33/moYesWeb
NeuronWriterFree trial · from $19/moTrial onlyWeb, Browser extension

Price against what you get

DiagnoSEO starts at $9 a month for each person and scores 2.3 out of 4 on features, ease of use and platforms. None of the 5 alternatives on this chart both scores higher and starts lower.

SEOptimer, SE Ranking, Semrush and NeuronWriter score higher without starting lower.

Features, ease of use and platforms, averaged

C2.0B3.0A4.0$5$10$20$50$100$200$500$1k$2kMore for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessDiagnoSEOSEOptimerSeobilitySE RankingNeuronWriter

What paid plans start at, a month (each step along is roughly double) →

  • The best score at each price
  • Has a free plan
  • No free plan
The full chart of SEO tools, and the best at every price

How each one differs from DiagnoSEO

  1. SEOptimer

    SEO audit tool with white-label reports and a lead-generation widget

    • SEOptimer starts at $21.75 per month, billed annually ($29 billed monthly).
    • SEOptimer has a free plan, which DiagnoSEO lacks.
    • SEOptimer also lists a browser extension.
    • SEOptimer also covers reports and rank tracking.
    • SEOptimer does not cover long-form writing and content optimization, which DiagnoSEO does.

    Suits: Agencies sending branded SEO audit reports to clients

    SEOptimer vs DiagnoSEOSEOptimer pricing and details

  2. Seobility

    Site audits, rank tracking and backlink monitoring in one web app

    • Seobility starts at $69.90 per month, billed monthly.
    • Seobility has a free plan, which DiagnoSEO lacks.
    • Seobility also covers reports and rank tracking.
    • Seobility does not cover long-form writing and content optimization, which DiagnoSEO does.

    Suits: Small businesses that want audits and rank tracking without a large suite

    Seobility vs DiagnoSEOSeobility pricing and details

  3. SE Ranking

    SEO platform for rank tracking, audits, research and AI visibility

    • SE Ranking starts at $103.20 per month, billed annually ($129 billed monthly).
    • SE Ranking also covers reports and rank tracking.
    • SE Ranking does not cover long-form writing and content optimization, which DiagnoSEO does.

    Suits: Agencies and consultants tracking rankings for many client sites

    SE Ranking vs DiagnoSEOSE Ranking pricing and details

  4. Semrush

    SEO suite for keyword research, rank tracking and AI search visibility

    • Semrush starts at $117.33 per month, billed annually ($139 billed monthly).
    • Semrush has a free plan, which DiagnoSEO lacks.
    • Semrush also covers reports and rank tracking.
    • Semrush does not cover long-form writing and content optimization, which DiagnoSEO does.

    Suits: Freelancers and in-house marketers who want research, tracking and audits in one account

    Semrush vs DiagnoSEOSemrush pricing and details

  5. NeuronWriter

    Content editor that scores drafts against the pages already ranking

    • NeuronWriter starts at $19 per month, billed yearly ($23 billed monthly).
    • NeuronWriter also lists a browser extension.
    • NeuronWriter does not cover keyword research, site audit, backlink analysis and content optimization, which DiagnoSEO does.

    Suits: Writers optimizing blog posts for a target keyword

    NeuronWriter vs DiagnoSEONeuronWriter pricing and details

Limits worth knowing in DiagnoSEO

  • Tools spend credits per use (an SEO audit 1, a GPT-4o article 10); extra credits cost $1 per 10, need an active plan and expire after a year.
  • Rank tracking, API access and the embeddable audit tool come only with Enterprise at $129 per user a month.
  • Monthly and annual plans list different limits: Pro has 100 projects monthly but 50 annually, and Enterprise tracks 500 or 5,000 keywords.
  • Refunds cover the first purchase only, if asked within 7 days. The WordPress plugin is also sold alone at $49 a year, shown cut from $69.
DiagnoSEO pricing and details

Common questions

What are the alternatives to DiagnoSEO?

The alternatives to DiagnoSEO in this directory are SEOptimer, Seobility, SE Ranking, Semrush and NeuronWriter. Each one has a side-by-side comparison with DiagnoSEO.

Is there a free alternative to DiagnoSEO?

Yes. SEOptimer, Seobility and Semrush have a free plan alongside paid ones.

When were these prices checked?

Each listing shows its own date. On this page they run from Oct 17, 2026 to Oct 23, 2026. Vendors change prices without notice, so confirm on their site before you buy.