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Whetstone

Maybe

Returns run at only 0.6% of orders. 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

6.1% of searches ended in a purchase last week.

Shoppers searched for this 373K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 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

Amazon counts 0 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. 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

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 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

Top-5 brand share

73%

Top 20: 100%

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 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

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Quality-Overall17%+1.47

low quality

so cheap for the quality

Cheap

Size-Overall15%−0.15

Not fit for purpose

they are slightly loose

Smaller than expected

Sharpness10%+0.15

Simply does NOT sharpen at all

Wasn't very sharp out the box though which was underwhelming

like my knives have never been so sharp

Advertised Vs Actual Product8%−0.08

The product dimensions are misleading

Not as described

Material Quality6%−0.07

more expensive 6000 grit stone which does not shed material

Too soft of a material

Love

Quality-Overall22%+1.47

Excellent product

Seems to be very well made

Great quality kit for the price

Sharpness18%+0.15

Very handy item that helps with sharp knives

Great for keeping my chef knives sharp

Super sharp knives

Value For Money18%+2.17

Good value for money

Fair price

Great value

Advertised Vs Actual Product13%−0.08

Does the job

Exactly what I need

As described

Ease Of Use11%

Easy to use

Easy do use when I got the hang of it

Very handy

Return

0.6% Return rate 19% Fixable by listing

Functionality-Overall20%▄▂▅▄▁█
Sharpness17%█▆▄▅█▁

Simply does NOT sharpen at all

Wasn't very sharp out the box though which was underwhelming

like my knives have never been so sharp

Quality-Overall9%▁▂█▃▁▁

low quality

so cheap for the quality

Cheap

Size-Overall9%▄▃▁▁█▆

Not fit for purpose

they are slightly loose

Smaller than expected

Advertised Vs Actual Product7%▁█▄▁▄▃

The product dimensions are misleading

Not as described

FAQ

Common Whetstone questions

Answered from the same tracked data.