global knife sharpener
Skip itA small market ($36K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Incredible£36.69avg listing price — sweet spot $15–$100
Price range
Great£6.11–£109.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Review moat
Bad5,133.58avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Growth
Bad-23.4%90-day search growth — must beat 0% to launch
Market size
Bad£36K£36K/yr · 17K searches
According to Flapen's Amazon United Kingdom niche tracking, global knife sharpener is a £36K/yr Amazon United Kingdom market (17K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 40/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
global knife sharpener market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- £28K–£37K
- units × avg price
- Conversion rate
- 5.6%
- Avg BSR
- #184
- Page quality
- 0%
- Prime
- 74%
- Sponsored
- 42%
- Out of stock
- 15.4%
- Avg brand age
- 80 months
- Avg seller age
- 205 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
9 rising
Sellers
41
Top-5 brand share
93%
Top 20: 99%
Top-5 click share
66%
Top 20: 100%
Open market
5%
- Global41%
- Minosharp37%
- MITSUMOTO SAKARI7%
- Robert Welch6%
- AnySharp2%
- lakeland1%
- Open — no brand owns it (3 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 83 weeks — -23.4% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 3.3×
Top global knife sharpener 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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Shinkansen Water Sharpener - Black and Red
Minosharp£31.484.6★303 rev
sharp Mino Plus 3 Ceramic Water Sharpener 550 - Black/Red
Minosharp£39.674.6★363 rev
Minosharp Shinkansen Knife Sharpener Manual Black Two Stage Sharpening and Honing Uses Water to Improve Sharpening and Prevent Scratching Ergonomic Design for Safe Operation C822
Global£30.354.5★370 rev
MITSUMOTO SAKARI 14-24 Japanese Knife Sharpener 3-Stage Knife Sharpener
MITSUMOTO SAKARI£24.174.4★1,771 rev
Robert Welch Hand-Held Knife Sharpener. MULTI AWARD WINNING DESIGN - The Ceramic Wheel Sharpens Blades To Exact 15 Angle. 10 Year Guarantee.
Robert Welch£23.264.6★823 rev
Newest
by launch date
Global Ceramic Pull-Through Water Knife Sharpener G-913/BW 3 Stage Knife Sharpener Coarse Medium & Fine Wheels for Sharpening Knives Black Sharp Kitchen Knife Edge Maintenance Made in Japan
Global£48.478 rev
Pro Edition Okniv Rolling Knife Sharpener UK Durable Knife Sharpening System for All Blade Types Diamond & Ceramic Honing Discs Easy to Use at Home or Professionally
OKNIV£45.98305 rev
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£25.181,296 rev
MITSUMOTO SAKARI 14-24 Japanese Knife Sharpener 3-Stage Knife Sharpener
MITSUMOTO SAKARI£24.171,771 rev
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
--£7.9910,429 rev
Trending
90-day click momentum
Global Fine Diamond Steel Knife Sharpener Silver
Global£109.944.9★
![[New for Global Fan] Global Sharpener Gss-02](https://m.media-amazon.com/images/I/41p-6q7RJgL.jpg)
[New for Global Fan] Global Sharpener Gss-02
Global£61.964.4★
Set of 2 Minosharp Guide Rails
Global£11.404.0★
MITSUMOTO SAKARI 14-24 Japanese Knife Sharpener 3-Stage Knife Sharpener
MITSUMOTO SAKARI£24.174.4★
minosharp
Global£7.584.5★
What buyers say about global knife sharpener
What buyers praise and complain about, mined from review topics.What buyers love
“gets knives very sharp”
“Easy to hold”
“Amazing quality”
“Good value”
“it actually works as advertised”
“The quality looks durable and reliable”
“compatible size”
“Nice and compact design”
“Really impressed, once I'd found a surface it did stick on”
“Works well”
What buyers complain about
“Didnt sharpen at all”
“I am pleased with this item although it is larger than expected hence takes up more room on the kitchen work surface”
“Broke after 4 uses”
“Barely effective”
“Not as good as I expected”
“Poor value for money 400 grit smooth on day 1”
“Please dont bother its nothing like advertised”
“Doesn't Adhere Safely”
“Cheap tacky plastic junk that does not stick to any surface what so ever”
“knives didnt sharpen at all after couple of uses also”
Top return reasons
Common questions
- Is global knife sharpener profitable to sell on Amazon United Kingdom?
- The niche generates £36K/yr across 19 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -23.4%. Flapen's verdict: Skip it (40/100).
- How competitive is the global knife sharpener niche?
- 9 brands and 41 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in global knife sharpener?
- Top complaints mined from reviews: Sharpness, Size-Overall, Durability. The return rate is 0.7%.
- When does demand for global knife sharpener peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 3.3× the quietest.
- What does it cost to enter the global knife sharpener niche?
- Listings span £6.11–£109.94; the average listing price is £36.69 (sweet spot $15–$100). The average incumbent carries 5,134 reviews — the moat a new listing must climb.