--- title: "Semrush vs WriterZen: Which is searched more?" description: "Is Semrush or WriterZen more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI SEO tools set worldwide. 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." canonical: "https://gobrandwave.com/demand/global-en/compare/semrush-vs-writerzen" publisher: "Brandwave" --- # Semrush vs WriterZen: Which is searched more? Is Semrush or WriterZen more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI SEO tools set worldwide. 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. ## Key facts - **Compared**: Semrush and WriterZen - **Competitive set**: AI SEO tools - **Market**: Global - **Month measured**: Sep 2026 - **Semrush Share of Search**: 68.6% - **WriterZen Share of Search**: 0.09% ## Is Semrush or WriterZen more popular in search? - 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%. - 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. ## Top AI SEO tools in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Semrush appeared in all five answers. WriterZen did not appear in any of the five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Surfer | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Semrush | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Clearscope | 3rd | 2 of 3 | 2 of 2 | 4 of 5 | | Frase | 4th | 3 of 3 | 1 of 2 | 4 of 5 | | Ahrefs | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | MarketMuse | 6th | 1 of 3 | 0 of 2 | 1 of 5 | | Screaming Frog | 7th | 1 of 3 | 1 of 2 | 2 of 5 | | WriterZen | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about AI SEO tools - Asked ChatGPT "Which AI SEO tool should I use?": 1. Semrush, 2. Surfer, 3. Ahrefs, 4. Frase - Asked ChatGPT "What are the best AI SEO tools?": 1. Semrush, 2. Ahrefs, 3. Surfer, 4. Frase, 5. Clearscope, 6. Screaming Frog - Asked ChatGPT "What's the best AI SEO tool for content optimisation?": 1. Surfer, 2. Frase, 3. Clearscope, 4. MarketMuse, 5. Semrush - Searched Google, AI Overview "ai seo tools": 1. Semrush, 2. Surfer, 3. Clearscope, 4. Ahrefs, 5. Screaming Frog - Searched Google, AI Overview "content optimisation tool": 1. Clearscope, 2. Surfer, 3. Frase, 4. Semrush Not named in any answer: WriterZen. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for AI SEO tools worldwide in September 2026? - Estimated monthly branded searches for WriterZen worldwide fell 45% over 12 measured months, from 1.6K to 880 in September 2026. - Estimated monthly branded searches for Semrush worldwide fell 18.2% over 12 measured months, from 823K to 673K in September 2026. ## Month by month | Month | Semrush estimated searches | Semrush Share of Search | Semrush rank | WriterZen estimated searches | WriterZen Share of Search | WriterZen rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 823K | 63.9% | 1 | 1.6K | 0.12% | 6 | | Nov 2025 | 823K | 68.4% | 1 | 1.9K | 0.16% | 6 | | Dec 2025 | 673K | 72.3% | 1 | 1.9K | 0.2% | 5 | | Jan 2026 | 673K | 63.8% | 1 | 1.6K | 0.15% | 6 | | Feb 2026 | 673K | 64% | 1 | 1.3K | 0.12% | 6 | | Mar 2026 | 823K | 68.4% | 1 | 1.3K | 0.11% | 6 | | Apr 2026 | 823K | 68.5% | 1 | 1.6K | 0.13% | 6 | | May 2026 | 673K | 64% | 1 | 1.3K | 0.12% | 6 | | Jun 2026 | 673K | 68.4% | 1 | 1.3K | 0.13% | 6 | | Jul 2026 | 673K | 68.5% | 1 | 1K | 0.1% | 6 | | Aug 2026 | 673K | 68.5% | 1 | 1K | 0.1% | 6 | | Sep 2026 | 673K | 68.6% | 1 | 880 | 0.09% | 6 | ## How each brand is measured 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**: Measured on the search term “semrush”. - **WriterZen**: Measured on the search term “writerzen”. - [Semrush profile](/demand/global-en/brands/semrush) - [WriterZen profile](/demand/global-en/brands/writerzen) - [All AI SEO tools worldwide](/demand/global-en/categories/ai-seo-tools): The set both shares are measured inside, 8 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Semrush or WriterZen more popular in search? 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%. ## Cite this page Brandwave. "Semrush vs WriterZen: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/semrush-vs-writerzen This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/semrush-vs-writerzen. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.