Naniwa vs Shun:Which is more popular?
In September 2026, Shun had more branded searches than Naniwa among sharpening stone brands in New Zealand. Shun had about 90 branded searches, while Naniwa had 20. Shun made up 42.9% of all sharpening stone brand searches we track, and Naniwa accounted for 9.5%. When we asked ChatGPT and Google AI Overviews about sharpening stone brands, Naniwa appeared in three of the five answers and Shun in none.
Follow Naniwa vs Shun and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top sharpening stone brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Naniwa was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Shun 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.
- 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
Shun0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Norton Abrasives0 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 in New Zealand?”
Asked ChatGPT
“What are the best sharpening stone brands in New Zealand?”
Asked ChatGPT
“What's the best sharpening stone brand in New Zealand for sharp kitchen knives?”
Searched Google, AI Overview
“knife sharpening stone”
Searched Google, AI Overview
“whetstone nz”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is Naniwa or Shun more popular in search?
This chart shows how often people search Google for Naniwa and Shun by name. Each line represents a brand's share of searches for all four sharpening stone brands we track, month by month, from searches in New Zealand.
Share of searches by month for Shun, Naniwa. The figures are in the table below the chart.
View monthly share of searches table
| Month | Shun | Norton Abrasives | Naniwa | Shapton |
|---|---|---|---|---|
| Oct 2025 | 29.4% | 47.1% | 17.6% | 5.9% |
| Nov 2025 | 47.4% | 31.6% | 10.5% | 10.5% |
| Dec 2025 | 53.8% | 38.5% | 3.8% | 3.8% |
| Jan 2026 | 39.1% | 43.5% | 13% | 4.3% |
| Feb 2026 | 38.9% | 44.4% | 11.1% | 5.6% |
| Mar 2026 | 47.8% | 34.8% | 13% | 4.3% |
| Apr 2026 | 38.9% | 44.4% | 11.1% | 5.6% |
| May 2026 | 25.9% | 66.7% | 3.7% | 3.7% |
| Jun 2026 | 42.9% | 47.6% | 4.8% | 4.8% |
| Jul 2026 | 35% | 50% | 10% | 5% |
| Aug 2026 | 34.6% | 53.8% | 3.8% | 7.7% |
| Sep 2026 | 42.9% | 38.1% | 9.5% | 9.5% |
How has the Naniwa and Shun comparison changed over the last 12 months?
3 findings
- Shun was ahead of Naniwa 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 in New Zealand moved from 17.6% to 9.5%, and its estimated monthly branded searches moved from 30 to 20.
- Across the 12 months ending September 2026, Shun’s share of searches among sharpening stone brands in New Zealand moved from 29.4% to 42.9%, and its estimated monthly branded searches moved from 50 to 90.
How did search popularity change for New Zealand sharpening stone brands in September 2026?
2 changes
In September 2026, Shun overtook Norton Abrasives to become the leader among sharpening stone brands in New Zealand, with 42.9% of the searches.
In September 2026, Naniwa overtook Shapton to rank 3rd among sharpening stone brands in New Zealand, with 9.5% of the searches.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Naniwa’s and Shun’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 sharpening stone brands
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.