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Knife Sharpeners

Maybe

Returns run at only 0.6% of orders. But demand is soft, at -18.3% this quarter, so Knife Sharpeners is a Maybe.

Flapen Score
59
59 / 100
Top 20% of 5,777 Home & Garden niches · +8 vs the category median of 51
Market size
£1.9M/yr1.7M searches / yr
90-day growth
-18.3%search demand this quarter
Competition
70%top-5 click share · 16 brands · 59 sellers

Flapen Score

Knife Sharpeners against its category

The dotted line is the Home & Garden average. Past it, Knife Sharpeners is stronger. Inside it, weaker.

59Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Knife Sharpeners market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Knife Sharpeners 1.7M times last year and spent an estimated £1.9M. The top 5 brands take 67% of clicks. Demand peaks in Jan–Nov–Dec. Flapen scores it 59 out of 100, a Maybe.

01 · Demand

6.9% of searches ended in a purchase last week.

Shoppers searched for this 1.7M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 6.9% of those searches ended in a purchase. Searches in the last 90 days moved -18.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £1.9M a year.

Searches, last 12 months
1.7M
Growth, 90 days vs prior 90
-18.3%
Conversion, latest week
6.9%
Market size, estimated
£1.9Ma year
Peak month
December2.6× the quietest month
Top search term
knife sharpener1.3M searches a year

02 · Price

A sale here is worth £16.12.

Listings sell for £16.12 on average, from £4.31 to £115.48. Amazon reports units sold in ranges. This niche sold 100K to 125K a year. The average listing sells 5,000 to 6,000 of them. At £16.12 that is £81K to £97K a year per listing.

Average price
£16.12inside the $15 to $100 sweet spot
Price range
£4.31–£115.48
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
100K–125K
Units per listing a year
5,000–6,000
Revenue per listing a year
£81K–£97K
Returns
0.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

91% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #76 within Knife Sharpeners. It carries 17,514 reviews at 4.32 stars, so a new listing needs social proof before a better product.

Sponsored listings
91%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#76in Knife Sharpeners
Average rating
4.32 starsAmazon United Kingdom average 4.36 stars
Average reviews
17,514per listing
Listings tracked
22

04 · Newcomers

Amazon counts 3 of last year's 5 launches as successful.

5 products launched here in the last 12 months. Amazon counts 3 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 57 months on average, so the names here are settling in.

Launched, last 12 months
5
Successful launches
3Amazon's first-year sales bar
Average brand age
57 months

Products

Top Knife Sharpeners 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 70% of clicks. A locked shelf that new listings rarely crack.

£0£94K£188K£282K£377K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 rising

Sellers

59

Top-5 brand share

67%

Top 20: 85%

Top-5 click share

70%

Top 20: 98%

Open market

19%

  • AnySharp38%
  • --15%
  • Lantana13%
  • Pietuley8%
  • vigvitfur4%
  • longzon3%

Demand

Knife Sharpeners search demand

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

60K40KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.6×

Search terms

Top Knife Sharpeners search terms shoppers use

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

  • knife sharpener1.3M/yr
  • knife sharpener uk127K/yr
  • knife sharpeners51K/yr
  • kitchen knife sharpener39K/yr
  • knife sharpening14K/yr
  • manual knife sharpeners15K/yr
  • knives sharpener13K/yr
  • knife-sharpener17K/yr
  • diamond knife sharpener12K/yr
  • professional knife sharpener11K/yr

Reviews and returns

What reviews say buyers love and hate about Knife Sharpeners

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

Complain

Sharpness25%−0.04

the any sharp is very small

Not work after few sharp

Poor sharpner

Quality-Overall12%−0.07

My knives are not of fantastic quality

Very poor quality

Cheap Garbage

Durability9%−0.10

dont last

I have my doubts about durability

Broke after 2 months

Functionality-Overall8%−0.14

Barely effective

Didnt work

Didnt work well

Size-Overall8%

Not fit for purpose

This was sooo funny it looked big in the picture it its small

Smaller than I expected

Love

Sharpness31%−0.04

gets knives very sharp

Sharp knives

Sharpens within seconds

Ease Of Use15%+1.77

Easy to Find and Use

is exceptionally straightforward to use

Easy to use

Quality-Overall13%−0.07

Excellent product

The build quality feels solid

Excellent build quality

Value For Money9%+0.51

Good value

Good value for money

Excellent value for money

Advertised Vs Actual Product7%+0.62

it actually works as advertised

As described

Works as intended

Return

0.6% Return rate 12% Fixable by listing

Sharpness39%▇▇█▇▆▇

the any sharp is very small

Not work after few sharp

Poor sharpner

Functionality-Overall19%▇██▆█▇

Barely effective

Didnt work

Didnt work well

Size-Overall7%▄▆▅▅█▆

Not fit for purpose

This was sooo funny it looked big in the picture it its small

Smaller than I expected

Quality-Overall7%██▇▇▆▂

My knives are not of fantastic quality

Very poor quality

Cheap Garbage

Adhesion/Stickiness4%▇▃▆▆▄█

FAQ

Common Knife Sharpeners questions

Answered from the same tracked data.