Brandwave

Semrush vs WriterZen:Which is searched more?

In September 2026, Semrush had more branded searches than WriterZen among AI SEO tools worldwide. Semrush had about 673,000 branded searches, while WriterZen had 880. Semrush made up 68.6% of all AI SEO tool searches we track, and WriterZen accounted for 0.09%. These are worldwide searches for English-language branded terms.

Share of searches among AI SEO tools worldwide in September 2026Is Semrush or WriterZen more popular in search?
Semrush68.6%673K searches
vs
WriterZen0.09%880 searches

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Is Semrush or WriterZen more popular in search?

Compare the tools that write and optimise content with AI. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

Semrush and WriterZen among AI SEO tools worldwide, by month

Share of searches by month for Semrush, WriterZen. The figures are in the table below the chart.

View monthly share of searches table
MonthSemrushAhrefsFraseClearscopeMarketMuseWriterZenScreaming FrogSurfer
Oct 202563.9%35%0.16%0.45%0.36%0.12%<0.01%<0.01%
Nov 202568.4%30.6%0.17%0.39%0.32%0.16%<0.01%<0.01%
Dec 202572.3%26.4%0.17%0.41%0.42%0.2%<0.01%<0.01%
Jan 202663.8%34.9%0.22%0.44%0.53%0.15%<0.01%<0.01%
Feb 202664%35%0.22%0.37%0.3%0.12%<0.01%<0.01%
Mar 202668.4%30.6%0.17%0.39%0.32%0.11%<0.01%<0.01%
Apr 202668.5%30.6%0.19%0.32%0.26%0.13%<0.01%<0.01%
May 202664%35%0.37%0.3%0.24%0.12%<0.01%<0.01%
Jun 202668.4%30.6%0.33%0.31%0.2%0.13%<0.01%<0.01%
Jul 202668.5%30.6%0.35%0.26%0.17%0.1%<0.01%<0.01%
Aug 202668.5%30.6%0.28%0.26%0.17%0.1%<0.01%<0.01%
Sep 202668.6%30.7%0.25%0.21%0.17%0.09%<0.01%<0.01%

How has the Semrush and WriterZen comparison changed over the last 12 months?

3 findings
  • Semrush was ahead of WriterZen in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Semrush’s share of searches among AI SEO tools worldwide moved from 63.9% to 68.6%, and its estimated monthly branded searches moved from 823K to 673K.
  • Across the 12 months ending September 2026, WriterZen’s share of searches among AI SEO tools worldwide moved from 0.12% to 0.09%, and its estimated monthly branded searches moved from 1.6K to 880.

How did search popularity change for AI SEO tools worldwide in September 2026?

2 changes
  1. Estimated monthly branded searches for WriterZen worldwide fell 45% over 12 measured months, from 1.6K to 880 in September 2026.

  2. Estimated monthly branded searches for Semrush worldwide fell 18.2% over 12 measured months, from 823K to 673K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Semrush’s and WriterZen’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Semrush

1 branded search term

  • semrush

WriterZen

1 branded search term

  • writerzen

How the Brand Demand Index is measured

Other head-to-heads among AI SEO tools

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Put your own brand in this comparison

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