---
title: "Knife Sharpeners — £1.9M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/knife-sharpeners"
last_updated: "2026-08-01T04:02:15.642Z"
locale: en
meta:
description: "Niche score 59/100 · £1.9M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · £1.9M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Knife Sharpeners — £1.9M/yr Amazon UK Niche (2026) - Flapen"
---
# **knife sharpeners**
**Worth a look**
Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 93Growth 16Conversion 75Competition 25Returns 97Price range 76Avg price 78Brand share 64Review moat 18Quality gap 72
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Market size**
**Great****£1.9M**
£1.9M/yr · 1.7M searches
**Avg price**
**Great****£16.12**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£4.31–£115.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****17,513.86**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-18.3%**
90-day search growth — must beat 0% to launch
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.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **knife sharpeners market data**
- **Units sold / yr**
- **100K–125K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **£1.6M–£2.0M**
- units × avg price
- **Conversion rate**
- **6.9%**
- **Avg BSR**
- **#76**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **176 days**
## **Competition & brand 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%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -18.3% search growth over the last 90 days.
60K40KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/uk/home-garden/knife-sharpeners/trend)
## **Top knife sharpeners search terms**
- **knife sharpener**1.3M/yr-15.9%6.0% conv. - **knife sharpener uk**127K/yr-37.9%5.2% conv. - **knife sharpeners**51K/yr-25.1%2.1% conv. - **kitchen knife sharpener**39K/yr-22.2%5.2% conv. - **knife sharpening**14K/yr+55.1%1.0% conv. - **manual knife sharpeners**15K/yr-29.8%3.2% conv. - **knives sharpener**13K/yr-23.0%4.6% conv. - **knife-sharpener**17K/yr-36.2%2.6% conv. - **diamond knife sharpener**12K/yr-22.3%1.2% conv. - **professional knife sharpener**11K/yr-10.0%1.1% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/knife-sharpeners/search-terms)
## **Top knife sharpeners products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%£94K10%£188K15%£282K20%£377K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**AnySharp Knife Sharpener Hands-Free Safety PowerGrip Suction Safely Sharpens All Kitchen Knives Ideal for Hardened Steel & Serrated Worlds Best Compact One Size Silver**AnySharp**£6.11**4.5★79,354 rev](https://www.amazon.co.uk/dp/B0029X0RTU) [2**AnySharp Knife Sharpener Hands-Free Safety PowerGrip Suction Safely Sharpens All Kitchen Knives Ideal for Hardened Steel & Serrated Worlds Best Compact One Size Black**AnySharp**£6.39**4.5★79,354 rev](https://www.amazon.co.uk/dp/B0BTKP6Y3R) [3**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**--**£7.99**4.4★10,429 rev](https://www.amazon.co.uk/dp/B09LZ7CBDS) [4**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**Lantana**£10.69**4.5★23,965 rev](https://www.amazon.co.uk/dp/B010O4OCCS) [5**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**Pietuley**£25.18**4.3★1,296 rev](https://www.amazon.co.uk/dp/B0D2ZJSVP2)
**~~View all top sellers →~~**
### **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)**vigvitfur**£4.42**97 rev3mo ago](https://www.amazon.co.uk/dp/B0GVYVDVBV) [**Sharp Knife Sharpener - 3 Stage Professional Kitchen Knife Sharpening Tool for Dull Knives Scissors Chef Knives Non-Slip Base Ergonomic Handle Red**Admygo**£4.31**11 rev4mo ago](https://www.amazon.co.uk/dp/B0GSRJC2X8) [**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**RBan1986**£35.58**50 rev6mo ago](https://www.amazon.co.uk/dp/B0GHK46XWN) [**Vigvitfur 4-in-1 Kitchen Knife Sharpener Professional Grade with Tungsten Steel Ceramic Slots Scissor Sharpening Black Red Removable Grinding Head**vigvitfur**£4.66**97 rev9mo ago](https://www.amazon.co.uk/dp/B0FVLPTL7X) [**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)**Pietuley**£20.41**138 rev11mo ago](https://www.amazon.co.uk/dp/B0FMWPKFX9)
**~~View all new products →~~**
### **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)**vigvitfur**£4.42**3.7★**▲ 387%**](https://www.amazon.co.uk/dp/B0GVYVDVBV) [**Sharp Knife Sharpener - 3 Stage Professional Kitchen Knife Sharpening Tool for Dull Knives Scissors Chef Knives Non-Slip Base Ergonomic Handle Red**Admygo**£4.31**4.1★**▲ 382%**](https://www.amazon.co.uk/dp/B0GSRJC2X8) [**Vigvitfur 4-in-1 Kitchen Knife Sharpener Professional Grade with Tungsten Steel Ceramic Slots Scissor Sharpening Black Red Removable Grinding Head**vigvitfur**£4.66**3.7★**▲ 256%**](https://www.amazon.co.uk/dp/B0FVLPTL7X) [**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**RBan1986**£35.58**3.8★**▲ 248%**](https://www.amazon.co.uk/dp/B0GHK46XWN) [**ACCUSHARP Knife Sharpner Blue & White**ACCUSHARP**£11.10**4.6★**▲ 162%**](https://www.amazon.co.uk/dp/B00004VWKQ)
**~~View all trending →~~**
## **What buyers say about knife sharpeners**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sharpness**31%
*“gets knives very sharp”*
**Ease Of Use**15%
*“Easy to Find and Use”*
**Quality-Overall**13%
*“Excellent product”*
**Value For Money**9%
*“Good value”*
**Advertised Vs Actual Product**7%
*“it actually works as advertised”*
**Efficiency**3%
*“Does the job well”*
**Design-Overall**2%
*“The design is sturdy”*
**Durability**2%
*“The quality looks durable and reliable”*
**Size-Overall**2%
*“compatible size”*
**Grip**1%
*“The grip and using is easy”*
### **What buyers complain about **
**Sharpness**25%
*“the any sharp is very small”*
**Quality-Overall**12%
*“My knives are not of fantastic quality”*
**Durability**9%
*“dont last”*
**Functionality-Overall**8%
*“Barely effective”*
**Size-Overall**8%
*“Not fit for purpose”*
**Value For Money**7%
*“A little expensive”*
**Ease Of Use**3%
*“Pain to use it”*
**Advertised Vs Actual Product**2%
*“Please dont bother its nothing like advertised”*
**Instructions/User Manual/Troubleshooting**2%
*“Took me a bit of time to get it fixed and working”*
**Material Quality**2%
*“cheap crap plastic absolutely stay away”*
### **Top return reasons **
**Sharpness**39%
**Functionality-Overall**19%
**Size-Overall**7%
**Quality-Overall**7%
**Adhesion/Stickiness**4%
**Advertised Vs Actual Product**4%
**Durability**2%
**Instructions/User Manual/Troubleshooting**2%
**Compatibility-Overall**2%
**Value For Money**2%
## **Common questions**
- **Is knife sharpeners profitable to sell on Amazon United Kingdom?**
- The niche generates £1.9M/yr across 22 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -18.3%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the knife sharpeners niche?**
- 16 brands and 59 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in knife sharpeners?**
- Top complaints mined from reviews: Sharpness, Quality-Overall, Durability. The return rate is 0.6%.
- **When does demand for knife sharpeners peak?**
- Demand peaks in Jan–Nov–Dec; the busiest month runs 2.6× the quietest.
- **What does it cost to enter the knife sharpeners niche?**
- Listings span £4.31–£115.48; the average listing price is £16.12 (sweet spot $15–$100). The average incumbent carries 17,514 reviews — the moat a new listing must climb.
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