Surfer SEO vs WriterZen:Which is more popular?
In September 2026, Surfer SEO had more branded searches than WriterZen among AI SEO tools worldwide. Surfer SEO had about 22,200 branded searches, while WriterZen had 880. Surfer SEO made up 69.7% of all AI SEO tool searches we track, and WriterZen accounted for 2.8%. When we asked ChatGPT and Google AI Overviews about AI SEO tools, Surfer SEO appeared in all five answers and WriterZen in none.
Who do people search for more?
Surfer SEO, about 25 searches for every 1 for WriterZen
Who does AI mention more?
Surfer SEO, mentioned in every answer we collected
Who does AI recommend more?
Surfer SEO, 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, Surfer SEO appeared in all five answers. 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.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Surfer SEO5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 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 Surfer SEO or WriterZen more popular in search?
This chart shows how often people search Google for Surfer SEO and WriterZen by name. Each line represents a brand's share of searches for all seven AI SEO tools we track, month by month, from English-language searches worldwide.
Share of searches by month for Surfer SEO, WriterZen. The figures are in the table below the chart.
View monthly share of searches table
| Month | Surfer SEO | WriterZen |
|---|---|---|
| Nov 2025 | 70.3% | 3.3% |
| Dec 2025 | 73.4% | 3.4% |
| Jan 2026 | 72.9% | 2.4% |
| Feb 2026 | 72% | 2.3% |
| Mar 2026 | 74.8% | 2% |
| Apr 2026 | 73.2% | 2.9% |
| May 2026 | 68.8% | 2.7% |
| Jun 2026 | 67.6% | 3.2% |
| Jul 2026 | 69% | 2.5% |
| Aug 2026 | 67.4% | 3% |
| Sep 2026 | 69.7% | 2.8% |
| Oct 2026 | — | — |
How has branded search for Surfer SEO and WriterZen changed worldwide over the last 12 months?
3 findings
- Surfer SEO was ahead of WriterZen in every measured month of the 11 months ending September 2026.
- Across the 11 months ending September 2026, Surfer SEO’s share of searches among AI SEO tools worldwide moved from 70.3% to 69.7%, and its estimated monthly branded searches moved from 40.5K to 22.2K.
- Across the 11 months ending September 2026, WriterZen’s share of searches among AI SEO tools worldwide moved from 3.3% to 2.8%, and its estimated monthly branded searches moved from 1.9K to 880.
How did search popularity change for AI SEO tools worldwide in September 2026?
2 changes

In September 2026, Surfer SEO gained share of searches among AI SEO tools worldwide, from 67.4% to 69.7%.

Estimated monthly branded searches for WriterZen worldwide fell 53.7% over 11 measured months, from 1.9K to 880 in September 2026.
How are Surfer SEO’s and WriterZen’s branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Surfer SEO’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.
Surfer SEO
1 branded search term
- surfer seo
WriterZen
1 branded search term
- writerzen

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