Knife Sharpeners
Knife Sharpeners shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Top 20% of 5,777 Home & Garden niches · +8 vs the category median of 51
Is Knife Sharpeners profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Knife Sharpeners is a £1.9M/yr Amazon United Kingdom market (1.7M searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Worth a look — 59/100.
Knife Sharpeners: 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 -18.3% over the last 90 days and 6.9% of searches end in a purchase.
£1.9M
revenue / yr
Who owns the niche?
The top 5 brands hold 67% of demand, so 33% of the market is open.
33%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 22 products
Top Knife Sharpeners 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
AnySharp Knife Sharpener Hands-Free Safety PowerGrip Suction Safely Sharpens All Kitchen Knives Ideal for Hardened Steel & Serrated Worlds Best Compact One Size Silver
- Price
- £6.11
- Rating
- 4.5/5
- Reviews
- 79,354
- Age
- 18y ago

AnySharp Knife Sharpener Hands-Free Safety PowerGrip Suction Safely Sharpens All Kitchen Knives Ideal for Hardened Steel & Serrated Worlds Best Compact One Size Black
- Price
- £6.39
- Rating
- 4.5/5
- Reviews
- 79,354
- Age
- 3y ago

Diamond Edge No.1 Knife Sharpener - Safe Compact and Easy to Use Manual Knife Sharpener for Any Knife - Knives Sharpener Suitable for Serrated & Outdoor Blades - Professional Quality
- Price
- £7.99
- Rating
- 4.4/5
- Reviews
- 10,429
- Age
- 4y ago

Lantana Smart Sharp Knife Sharpener - Professional 3 Stage Manual Sharpener for Sharpening Kitchen Knives - Ceramic Stone Tungsten Carbide Plates Diamond rods. Ergonomic Design Black/Chrome Finish
- Price
- £10.69
- Rating
- 4.5/5
- Reviews
- 23,965
- Age
- 11y ago

Rolling Knife Sharpener for Kitchen Knives - Rolling Knife Sharpening - Knife Sharpener Tool Kit Offers Sharpening Stone - Birthday Gift for Women Men - Sharpening Steels- Fathers Day Present
- Price
- £25.18
- Rating
- 4.3/5
- Reviews
- 1,296
- Age
- 2y ago
Trending
90-day click momentum
Vigvitfur 4-in-1 Kitchen Knife Sharpener Professional Grade with Tungsten Steel Ceramic Slots Scissor Sharpening Black Red Removable Grinding Head (red 4)
- Price
- £4.42
- Rating
- 3.7/5
- Reviews
- 97
- Age
- 3mo ago

Sharp Knife Sharpener - 3 Stage Professional Kitchen Knife Sharpening Tool for Dull Knives Scissors Chef Knives Non-Slip Base Ergonomic Handle Red
- Price
- £4.31
- Rating
- 4.1/5
- Reviews
- 11
- Age
- 4mo ago

Vigvitfur 4-in-1 Kitchen Knife Sharpener Professional Grade with Tungsten Steel Ceramic Slots Scissor Sharpening Black Red Removable Grinding Head
- Price
- £4.66
- Rating
- 3.7/5
- Reviews
- 97
- Age
- 9mo ago

RBan1986 Rolling Knife Sharpener for Kitchen KnivesStrong Magnetic Base Angle with 15 to 20 TypeDurable Diamond Whetstone Fast Sharpening for Knives & Fine Polishing for All Blades Wood
- Price
- £35.58
- Rating
- 3.8/5
- Reviews
- 50
- Age
- 6mo ago

ACCUSHARP Knife Sharpner Blue & White
- Price
- £11.10
- Rating
- 4.6/5
- Reviews
- 27,938
- Age
- 18y ago
Newest
by launch date
Vigvitfur 4-in-1 Kitchen Knife Sharpener Professional Grade with Tungsten Steel Ceramic Slots Scissor Sharpening Black Red Removable Grinding Head (red 4)
- Price
- £4.42
- Rating
- 3.7/5
- Reviews
- 97
- Age
- 3mo ago

Sharp Knife Sharpener - 3 Stage Professional Kitchen Knife Sharpening Tool for Dull Knives Scissors Chef Knives Non-Slip Base Ergonomic Handle Red
- Price
- £4.31
- Rating
- 4.1/5
- Reviews
- 11
- Age
- 4mo ago

RBan1986 Rolling Knife Sharpener for Kitchen KnivesStrong Magnetic Base Angle with 15 to 20 TypeDurable Diamond Whetstone Fast Sharpening for Knives & Fine Polishing for All Blades Wood
- Price
- £35.58
- Rating
- 3.8/5
- Reviews
- 50
- Age
- 6mo ago

Vigvitfur 4-in-1 Kitchen Knife Sharpener Professional Grade with Tungsten Steel Ceramic Slots Scissor Sharpening Black Red Removable Grinding Head
- Price
- £4.66
- Rating
- 3.7/5
- Reviews
- 97
- Age
- 9mo ago

Pietuley Knife Sharpener 7-in-1 Professional Knives Sharpener for Serrated Ceramic Knife Scissor Sharpener UK Japanese Knife Blade Manual Sharpening Tool Essentials Kitchen Gadgets (Black)
- Price
- £20.41
- Rating
- 4.0/5
- Reviews
- 138
- Age
- 11mo ago
Competition: brands, sellers & click share
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
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%
Knife Sharpeners demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.6×
Top Knife Sharpeners search terms shoppers use
The exact queries 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
What reviews say buyers love and hate about Knife Sharpeners
What buyers mention most, as a share of all reviews.
What buyers love
85% of reviews“gets knives very sharp”
“Easy to Find and Use”
“Excellent product”
“Good value”
“it actually works as advertised”
What buyers complain about
78% of reviews“the any sharp is very small”
“My knives are not of fantastic quality”
“dont last”
“Barely effective”
“Not fit for purpose”
Knife Sharpeners return rate & reasons
Why buyers send it back, as a share of all return requests.
0.6%
Return rate
12%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Knife Sharpeners questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









