Whetstone
Whetstone shows low returns (0.6%), but soft demand (-16.1% this quarter) keeps it on the watch list.
Flapen Score
Is Whetstone profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Whetstone is a £388K/yr Amazon United Kingdom market (373K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Dec. Verdict: Worth a look — 54/100.
Whetstone: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -16.1% over the last 90 days and 6.1% of searches end in a purchase.
£388K
revenue / yr
Who owns the niche?
The top 5 brands hold 73% of demand, so 27% of the market is open.
27%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 22 products
Top Whetstone products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
KEENBEST Actual Grit Premium Material Sharpening Stone Set 400 1000 3000 8000 Whetstone Japanese Knife Sharpener Stone Wetstones for Sharpening Knives Wet Stone Red
- Price
- £17.58
- Rating
- 4.6/5
- Reviews
- 3,524
- Age
- 4y ago
Knife Sharpening Stone Kit - 1000/6000 Grit Japanese Whetstone Sharpener Set with Non-Slip Rubber Base Angle Guide Flattening Stone for Kitchen Knives Chisel Axe Scissors
- Price
- £10.16
- Rating
- 4.5/5
- Reviews
- 4,592
- Age
- 3y ago
SATC Sharpening Stones for Kitchen Knives 400 1000 3000 8000 Grit Whetstone Knife Sharpener with Non-Slip Wood Base Flattening Stone Angle Guide and Leather Strop
- Price
- £15.24
- Rating
- 4.4/5
- Reviews
- 1,666
- Age
- 2y ago
BGS Diy 8062 | Sharpening Stone | K 120/K 240
- Price
- £3.32
- Rating
- 4.6/5
- Reviews
- 362
- Age
- 17y ago
SHAN ZU Sharpening Stone Whetstone with Angle Guide Non-Slip Bamboo Base grit 1000/6000 Knife Sharpeners Professional 2-in-1 Wetstone
- Price
- £16.95
- Rating
- 4.6/5
- Reviews
- 15,661
- Age
- 8y ago
Trending
90-day click momentum
Dayacoco Knife Sharpening Stone Kit Premium 400 1000 3000 8000 Whetstone Knife Sharpener with Non-Slip Wood Base Angle Guide Flattening Stone Leather Strop for Sharpening Knives (8 Pcs)
- Price
- £12.18
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 6mo ago
BGS Diy 8062 | Sharpening Stone | K 120/K 240
- Price
- £3.32
- Rating
- 4.6/5
- Reviews
- 362
- Age
- 17y ago
HEZHEN Double-Side Whetstone Extra Large Corundum Sharpening Stone Kit Professional Knife Sharpener Set 1000/5000 Grit with Non-Slip Acacia Wood Base/Flattening Stone/Angle Guide
- Price
- £48.12
- Rating
- 4.6/5
- Reviews
- 3
- Age
- 1y ago
IHIGOGOFA Sharpening Stone 230 mm (9) 180 Grit Oval Whetstone for Sharpening Knives Knife Sharpener Stone for Garden Tools Kitchen Knives Chisels Axes
- Price
- £5.98
- Rating
- 4.2/5
- Reviews
- 433
- Age
- 4y ago
Knife Sharpening Stone Kit - 1000/6000 Grit Japanese Whetstone Sharpener Set with Non-Slip Rubber Base Angle Guide Flattening Stone for Kitchen Knives Chisel Axe Scissors
- Price
- £10.16
- Rating
- 4.5/5
- Reviews
- 4,592
- Age
- 3y ago
Newest
by launch dateDayacoco Knife Sharpening Stone Kit Premium 400 1000 3000 8000 Whetstone Knife Sharpener with Non-Slip Wood Base Angle Guide Flattening Stone Leather Strop for Sharpening Knives (8 Pcs)
- Price
- £12.18
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 6mo ago
vuwo Knife Sharpening Stone Kit- Professional Knife Sharpener Dual Sided 400&1000 Grit Wet Stone Set with Non-Slip Rubber Base Whetstone for Kitchen
- Price
- £6.87
- Rating
- 4.4/5
- Reviews
- 1,121
- Age
- 1y ago
HEZHEN Double-Side Whetstone Extra Large Corundum Sharpening Stone Kit Professional Knife Sharpener Set 1000/5000 Grit with Non-Slip Acacia Wood Base/Flattening Stone/Angle Guide
- Price
- £48.12
- Rating
- 4.6/5
- Reviews
- 3
- Age
- 1y ago
RISEMART Knife Sharpening Stones Set Professional 400 1000 3000 8000 Grit Whetstone for Sharpening Knives with Flattening Stone Non-Slip Base Angle Guide (8 Pcs)
- Price
- £13.65
- Rating
- 4.3/5
- Reviews
- 325
- Age
- 2y ago
SATC Sharpening Stones for Kitchen Knives 400 1000 3000 8000 Grit Whetstone Knife Sharpener with Non-Slip Wood Base Flattening Stone Angle Guide and Leather Strop
- Price
- £15.24
- Rating
- 4.4/5
- Reviews
- 1,666
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
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%
Whetstone demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Dec · busiest ÷ quietest = 2.0×
Top Whetstone search terms shoppers use
The exact queries 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
What reviews say buyers love and hate about Whetstone
What buyers mention most, as a share of all reviews.
What buyers love
92% of reviews“Excellent product”
“Very handy item that helps with sharp knives”
“Good value for money”
“Does the job”
“Easy to use”
What buyers complain about
77% of reviews“low quality”
“Not fit for purpose”
“Simply does NOT sharpen at all”
“The product dimensions are misleading”
“more expensive 6000 grit stone which does not shed material”
Whetstone return rate & reasons
Why buyers send it back, as a share of all return requests.
0.6%
Return rate
19%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Whetstone questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
