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SISTRIX vs Yoast SEO

SISTRIX logo

SISTRIX

SEO

German SEO toolbox built around a domain Visibility Index measured weekly since 2008

From
On request
Rated
-
Yoast SEO logo

Yoast SEO

SEO

The longest-established WordPress SEO plugin, free core with a flat-rate Premium tier

From
Free
Rated
-

The short version

  • Only Yoast SEO has a free tier, so it costs nothing to try first.
  • Each has a real cost: SISTRIX coverage is deepest in German-speaking Europe and thinner in the United States and Asia, so international teams still need Ahrefs or Semrush alongside it.; Yoast SEO premium is licensed per site, so an agency or publisher managing many WordPress installs pays linearly per site with no volume discount tier published, unlike Rank Math's site-count-bundled plans.
  • They diverge on capability: SISTRIX covers Visibility Index, Yoast SEO covers Readability and SEO analysis.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which SISTRIX and Yoast SEO actually diverge.

Attributes where SISTRIX and Yoast SEO differ
AttributeSISTRIXYoast SEO
Starting priceOn requestFree
Pricing modelquoteFreemium, per site per year
Free tierNoYes
PlatformsWeb, REST APIWeb

Identical on both: user rating (Not yet rated), category (SEO).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in SISTRIX

  • Visibility Index
  • Competitor discovery
  • SERP feature tracking
  • Link module
  • Optimizer
  • Country coverage

Only in Yoast SEO

  • Readability and SEO analysis
  • Redirect manager
  • Multi-keyphrase optimisation
  • Bundled add-ons
  • AI-assisted metadata
  • Google Docs add-on

What people use each for

The jobs each tool is most often brought in to do.

SISTRIX

  • Reporting search visibility to a board in Germany where the Visibility Index is the expected metricnot Yoast SEO
  • Comparing a domain against competitors over years, including before you started tracking anythingnot Yoast SEO
  • Due diligence on an acquisition target where you need visibility history you did not collect yourselfnot Yoast SEO
  • Diagnosing whether a traffic drop coincided with a core update by comparing against the whole measured marketnot Yoast SEO

Yoast SEO

  • A WordPress site owner who wants a predictable flat annual price with no renewal surprise, unlike some competitor pricing patternsnot SISTRIX
  • A multi-site publisher needing Local, Video and News SEO functionality bundled rather than bought as three separate add-onsnot SISTRIX
  • A small blog that can run indefinitely on the free tier without hitting a feature wall that forces an upgradenot SISTRIX
  • A content team wanting AI-assisted bulk metadata generation to clear a backlog of missing titles and descriptionsnot SISTRIX

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

SISTRIX

  • Coverage is deepest in German-speaking Europe and thinner in the United States and Asia, so international teams still need Ahrefs or Semrush alongside it.
  • The Visibility Index is domain-level, so a dramatic chart movement can come entirely from pages that carry no commercial value and requires drilling down before it means anything.
  • The link index is smaller than the market leaders, which matters if backlink discovery rather than visibility measurement is your main use.
  • Modules are priced individually, so a team that needs SEO, links and the Optimizer pays a multiple of the entry price for one module.
  • Documentation, community material and support are German-first, and while English is available the depth of the two is not equal.

Yoast SEO

  • Premium is licensed per site, so an agency or publisher managing many WordPress installs pays linearly per site with no volume discount tier published, unlike Rank Math's site-count-bundled plans.
  • The free tier's schema output is more basic than Rank Math's free tier, which ships more predefined schema types at no cost.
  • There is no rank tracking feature at all, free or paid, so any team wanting to monitor rankings needs an entirely separate tool regardless of Yoast tier.
  • Some previously free features have migrated behind Premium over successive releases, so long-time users have seen the free-to-paid boundary move against them.
  • The AI-assisted content and metadata features are newer additions and reviewers note they are less mature than dedicated AI content tools such as Surfer SEO or Frase.

Pricing, plan by plan

SISTRIX

On request
  • SISTRIX Toolbox$undefined/month
    • Sold as monthly modules rather than one bundled plan
    • Additional countries and Optimizer projects priced on top
    • Monthly term without long commitment

Yoast SEO

Free
  • FreeFree
    • SEO and readability analysis
    • XML sitemaps and basic schema output
    • Google Search Console integration
  • Premium$118.8/year
    • Flat rate with no renewal price increase, per site
    • Redirect manager and multi-keyphrase optimisation
    • Local, Video and News SEO plugins included

Which should you pick?

Choose SISTRIX if

  • You need visibility index.
  • You work on Web, REST API.
  • You also want competitor discovery.

Choose Yoast SEO if

  • You need readability and seo analysis.
  • You want to start without paying.
  • You also want redirect manager.

Questions people ask

Is SISTRIX or Yoast SEO better?
Neither clearly leads. SISTRIX starts at On request and Yoast SEO at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SISTRIX or Yoast SEO?
Yoast SEO has a free tier; the other does not. Paid plans start at On request for SISTRIX and Free for Yoast SEO.
Does SISTRIX or Yoast SEO run on more platforms?
SISTRIX runs on Web, REST API. Yoast SEO runs on Web.
Can I use Yoast SEO for free?
Yes. Yoast SEO has a free tier, so you can try it without paying. SISTRIX starts at On request.
What is SISTRIX best used for?
SISTRIX is most often used for reporting search visibility to a board in germany where the visibility index is the expected metric, comparing a domain against competitors over years, including before you started tracking anything, due diligence on an acquisition target where you need visibility history you did not collect yourself, diagnosing whether a traffic drop coincided with a core update by comparing against the whole measured market. Of those, reporting search visibility to a board in germany where the visibility index is the expected metric and comparing a domain against competitors over years, including before you started tracking anything are not what Yoast SEO is typically brought in for.
What can SISTRIX do that Yoast SEO cannot?
SISTRIX covers Visibility Index, Competitor discovery, SERP feature tracking, Link module. Yoast SEO covers Readability and SEO analysis, Redirect manager, Multi-keyphrase optimisation, Bundled add-ons.

Answered from the vendors’ own pages

SISTRIX: What is the Visibility Index actually measuring?

Rankings for a large fixed keyword set per country, weighted by expected traffic, measured weekly. It is not your keyword list, which is what makes it comparable.

Yoast SEO: Does the price go up after the first year?

No. Yoast charges the same flat 118.80 US dollars a year per site every year, unlike some competitors that discount the first year and raise the renewal price.

SISTRIX: Can it replace Ahrefs or Semrush?

For German-language visibility reporting and competitor history, yes. For global keyword research and backlink analysis it is a complement rather than a replacement.

Yoast SEO: Is the free version usable long-term, or is it a trial?

It is a genuinely usable free tier; many small sites run on it indefinitely without ever needing Premium.

SISTRIX: How far back does the data go?

To 2008 for the earliest supported countries, which is longer than any rank tracker can offer on your own keyword list.

Yoast SEO: Can one Premium licence cover multiple sites?

No. Premium is licensed per site; multiple sites each need their own licence.

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