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Whetstone

Maybe

An estimated 0.6% of orders come back. But demand is soft, at -16.1% this quarter, so Whetstone is a Maybe.

Flapen Score
54
54 / 100
Top 24% of 2,225 DIY & Tools niches · +5 vs the category median of 49
Market size
£388K/yr373K searches / yr
90-day growth
-16.1%search demand this quarter
Competition
53%top-5 click share · 18 brands · 25 sellers

Flapen Score

Whetstone against its category

The dotted line is the DIY & Tools average. Past it, Whetstone is stronger. Inside it, weaker.

54Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Whetstone market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Whetstone 373K times last year and spent an estimated £388K. The top 5 brands take 73% of clicks. Demand peaks in Dec. Flapen scores it 54 out of 100, a Maybe.

01 · Demand

An estimated 6.1% of those searches ended in a purchase.

Shoppers searched for this 373K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 6.1% of those searches ended in a purchase. Searches in the last 90 days moved -16.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £388K a year.

Searches, last 12 months
373K
Growth, 90 days vs prior 90
-16.1%
Conversion, latest week
6.1%
Market size, estimated
£388Ka year
Peak month
December2.0× the quietest month
Top search term
sharpening stone93K searches a year

02 · Price

A sale here is worth £16.92.

Listings sell for £16.92 on average, from £3.32 to £48.12. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 750 to 1,000 of them. At £16.92 that is £13K to £17K a year per listing.

Average price
£16.92inside the $15 to $100 sweet spot
Price range
£3.32–£48.12
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
20K–25K
Units per listing a year
750–1,000
Revenue per listing a year
£13K–£17K
Returns
0.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

86% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #18 within Hand Tools. It carries 3,043 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
86%
Prime listings
95%
Out of stock, average day
2.4%
Average rank
#18in Hand Tools
Average rating
4.50 starsAmazon United Kingdom average 4.36 stars
Average reviews
3,043per listing
Listings tracked
22

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 60 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
60 months

Products

Top Whetstone products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.

£0£16K£31K£47K£62K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

18 falling

Sellers

25

Est. top-5 brand share

73%

Top 20: 100%

Est. top-5 click share

53%

Top 20: 99%

Open market

22%

  • KEENBEST26%
  • wucgea22%
  • S SATC10%
  • BGS Do it yourself9%
  • SHAN ZU8%
  • vuwo5%

Demand

Whetstone search demand

Weekly searches over the year, seasonality beneath. Pick a range.

13K8KSpike '24Holiday '24Prime Day '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 2.0×

Search terms

Top Whetstone search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • sharpening stone93K/yr
  • whetstone76K/yr
  • knife sharpener stone32K/yr
  • whetstone knife sharpener32K/yr
  • wet stone knife sharpener21K/yr
  • knife sharpening stone21K/yr
  • sharpening stones14K/yr
  • sharpening stones for knives16K/yr
  • wet stone11K/yr
  • waterstones13K/yr

Reviews and returns

What reviews say buyers love and hate about Whetstone

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Quality-Overall”
17%of negative reviews mention “Quality-Overall”
0.6%of orders come back
“low quality”
A buyer, on “Quality-Overall”17% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common Whetstone questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data