Ahrefs vs WriterZen:Which is more popular?
In September 2026, Ahrefs had more branded searches than WriterZen among AI SEO tools worldwide. Ahrefs had about 301,000 branded searches, while WriterZen had 880. Ahrefs made up 30.7% of all AI SEO tool searches we track, and WriterZen accounted for 0.09%. When we asked ChatGPT and Google AI Overviews about AI SEO tools, Ahrefs appeared in three of the five answers and WriterZen in none.
Who do people search for more?
Ahrefs, about 342 searches for every 1 for WriterZen
Who does AI mention more?
Ahrefs, mentioned in 3 of 5 answers, WriterZen in 0
Who does AI recommend more?
Ahrefs, the only one of the two named
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Top AI SEO tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Ahrefs was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. WriterZen did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Surfer1st
Semrush2nd
Clearscope3rd
Frase4th
Ahrefs5th
MarketMuse6th
Screaming Frog7th
WriterZen–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Semrush5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Surfer5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Frase4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Clearscope4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Ahrefs3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Screaming Frog2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
MarketMuse1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
WriterZen0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about AI SEO tools
5 answers
Asked ChatGPT
“Which AI SEO tool should I use?”
Asked ChatGPT
“What are the best AI SEO tools?”
Asked ChatGPT
“What's the best AI SEO tool for content optimisation?”
Searched Google, AI Overview
“ai seo tools”
Searched Google, AI Overview
“content optimisation tool”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Ahrefs or WriterZen more popular in search?
This chart shows how often people search Google for Ahrefs and WriterZen by name. Each line represents a brand's share of searches for all eight AI SEO tools we track, month by month, from English-language searches worldwide.
Share of searches by month for Ahrefs, WriterZen. The figures are in the table below the chart.
View monthly share of searches table
| Month | Semrush | Ahrefs | Frase | Clearscope | MarketMuse | WriterZen | Screaming Frog | Surfer |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 63.9% | 35% | 0.16% | 0.45% | 0.36% | 0.12% | <0.01% | <0.01% |
| Nov 2025 | 68.4% | 30.6% | 0.17% | 0.39% | 0.32% | 0.16% | <0.01% | <0.01% |
| Dec 2025 | 72.3% | 26.4% | 0.17% | 0.41% | 0.42% | 0.2% | <0.01% | <0.01% |
| Jan 2026 | 63.8% | 34.9% | 0.22% | 0.44% | 0.53% | 0.15% | <0.01% | <0.01% |
| Feb 2026 | 64% | 35% | 0.22% | 0.37% | 0.3% | 0.12% | <0.01% | <0.01% |
| Mar 2026 | 68.4% | 30.6% | 0.17% | 0.39% | 0.32% | 0.11% | <0.01% | <0.01% |
| Apr 2026 | 68.5% | 30.6% | 0.19% | 0.32% | 0.26% | 0.13% | <0.01% | <0.01% |
| May 2026 | 64% | 35% | 0.37% | 0.3% | 0.24% | 0.12% | <0.01% | <0.01% |
| Jun 2026 | 68.4% | 30.6% | 0.33% | 0.31% | 0.2% | 0.13% | <0.01% | <0.01% |
| Jul 2026 | 68.5% | 30.6% | 0.35% | 0.26% | 0.17% | 0.1% | <0.01% | <0.01% |
| Aug 2026 | 68.5% | 30.6% | 0.28% | 0.26% | 0.17% | 0.1% | <0.01% | <0.01% |
| Sep 2026 | 68.6% | 30.7% | 0.25% | 0.21% | 0.17% | 0.09% | <0.01% | <0.01% |
How has the Ahrefs and WriterZen comparison changed over the last 12 months?
3 findings
- Ahrefs was ahead of WriterZen in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Ahrefs’ share of searches among AI SEO tools worldwide moved from 35% to 30.7%, and its estimated monthly branded searches moved from 450K to 301K.
- 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
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Ahrefs’ 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.
Other head-to-heads among AI SEO tools

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