Naniwa vs Shapton:Which is more popular?
In September 2026, Naniwa had more branded searches than Shapton among sharpening stone brands worldwide. Naniwa had about 18,100 branded searches, while Shapton had 2,400. Naniwa made up 49.1% of all sharpening stone brand searches we track, and Shapton accounted for 6.5%. When we asked ChatGPT and Google AI Overviews about sharpening stone brands, Naniwa and Shapton each appeared in three of the five answers. Shapton was mentioned before Naniwa in every answer.
Who do people search for more?
Naniwa, about 8 searches for every 1 for Shapton
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
Shapton, named ahead of Naniwa in every answer
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Top sharpening stone brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Naniwa and Shapton were each mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Shapton was listed before Naniwa in every answer.
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.
- Naniwa3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Shapton3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Smith's1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Norton Abrasives0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Wusthof0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
GLOBAL0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Shun0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Trend0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about sharpening stone brands
5 answers
Asked ChatGPT
“Which sharpening stone brand should I buy?”
Asked ChatGPT
“What are the best sharpening stone brands?”
Asked ChatGPT
“What's the best sharpening stone brand for knife sharpening?”
Searched Google, AI Overview
“knife sharpening stone”
Searched Google, AI Overview
“sharpening stone”
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 21, 2026.
Is Naniwa or Shapton more popular in search?
This chart shows how often people search Google for Naniwa and Shapton by name. Each line represents a brand's share of searches for all eight sharpening stone brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Naniwa, Shapton. The figures are in the table below the chart.
View monthly share of searches table
| Month | Naniwa | Smith's | Norton Abrasives | Shapton | Wusthof | GLOBAL | Shun | Trend |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 41.3% | 19.8% | 12.5% | 4.5% | 15.1% | 1.6% | 4.5% | 0.8% |
| Nov 2025 | 34.9% | 20.8% | 11.4% | 5.6% | 19.1% | 2.5% | 4.6% | 1.3% |
| Dec 2025 | 28.1% | 16.7% | 9.1% | 5.6% | 28.1% | 2.5% | 8.4% | 1.6% |
| Jan 2026 | 39% | 18.9% | 11.8% | 5.1% | 17.4% | 1.8% | 5.1% | 1.1% |
| Feb 2026 | 42% | 16.4% | 12.1% | 4.5% | 18.7% | 1.7% | 3.6% | 0.93% |
| Mar 2026 | 35.7% | 16.9% | 11.3% | 3.9% | 19.5% | 1.4% | 10.6% | 0.74% |
| Apr 2026 | 40.2% | 15.7% | 12.1% | 4.3% | 21.9% | 1.3% | 3.4% | 0.87% |
| May 2026 | 44% | 17% | 16.5% | 4.8% | 10.7% | 1.4% | 4.8% | 0.81% |
| Jun 2026 | 40.1% | 19% | 14.8% | 4.2% | 9.7% | 1.6% | 9.7% | 0.73% |
| Jul 2026 | 39.7% | 23% | 14.7% | 4.2% | 14.5% | 1.6% | 1.6% | 0.88% |
| Aug 2026 | 41.6% | 20% | 16.1% | 5.5% | 12.4% | 2% | 1.1% | 1.3% |
| Sep 2026 | 49.1% | 19.2% | 16% | 6.5% | 4.3% | 2.4% | 1.3% | 1.1% |
How has the Naniwa and Shapton comparison changed over the last 12 months?
3 findings
- Naniwa was ahead of Shapton in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Naniwa’s share of searches among sharpening stone brands worldwide moved from 41.3% to 49.1%, and its estimated monthly branded searches moved from 22.2K to 18.1K.
- Across the 12 months ending September 2026, Shapton’s share of searches among sharpening stone brands worldwide moved from 4.5% to 6.5%, and its estimated monthly branded searches held steady at 2.4K.
How did search popularity change for sharpening stone brands worldwide in September 2026?
2 changes
In September 2026, Shapton overtook Wusthof to rank 4th among sharpening stone brands worldwide, with 6.5% of the searches.
In September 2026, Naniwa gained share of searches among sharpening stone brands worldwide, from 41.6% to 49.1%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Naniwa’s and Shapton’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.
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