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Stone Cleaner

brand-locked demand (top 5 brands take 97% of clicks) — Stone Cleaner doesn't clear our bar today.

Flapen Score

46
Skip it

Ranks 486 of 811 Automotive niches · −3 vs the category median of 49

Market size 29Growth 20Conversion 90Competition 35Returns 99Price range 48Avg price 54Brand share 9Review moat 32Quality gap 68
This niche Category average · 811 niches

Is Stone Cleaner profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Stone Cleaner is a £126K/yr Amazon United Kingdom market (94K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Feb–Mar–May. Verdict: Skip it — 46/100.

Stone Cleaner: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -9.3% over the last 90 days and 10.8% of searches end in a purchase.

£126K

revenue / yr

Units sold / yr13K
Search volume / yr-9.3%94K
Conversion rate10.8%
Avg price£12.45

Who owns the niche?

The top 5 brands hold 97% of demand, so 3% of the market is open.

3%

open market share

Brands · sellers7 · 132
Top-5 product click share64%
Open market3%
Avg brand age59 months

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 · 18 products

Sponsored placement28%
New entrants (1y)0· 0 succeeded
Avg rating4.3★
Avg reviews3,310

Top Stone Cleaner products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

£0£13K£25K£38K£51K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

132

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

2%

  • KÄRCHER68%
  • HG21%
  • Nordicare3%
  • GLEAN2%
  • Wet & Forget2%
  • SPARES2GO2%
  • Open — no brand owns it (1 brand, 2%)

Stone Cleaner demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume94KCVR10.8%Products18Brands7Top 5 Brands97%OOS Rate1.2%Rating4.3★Reviews3,310Avg BSR#183
35K25KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Mar, May · busiest ÷ quietest = 16.9×

Top Stone Cleaner search terms shoppers use

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

  • karcher patio cleaner fluid14K/yr
  • stone cleaner15K/yr
  • karcher stone and paving cleaner10K/yr
  • stone cleaner for exterior stone9K/yr
  • karcher cleaning fluid7K/yr
  • natural stone cleaner7K/yr
  • hg natural stone cleaner7K/yr
  • karcher cleaner6K/yr
  • limestone cleaner6K/yr
  • karcher detergent5K/yr

What reviews say buyers love and hate about Stone Cleaner

What buyers mention most, as a share of all reviews.

What buyers love

88% of reviews
Quality-Overall25%

Great product just be patient

Ease Of Cleaning21%

Cleans well

Advertised Vs Actual Product14%

Does what it says

Value For Money9%

worth it

Ease Of Use6%

Made my job easier

What buyers complain about

75% of reviews
Functionality-Overall23%

not 100% effective

Value For Money17%

Just wish it was a bit cheaper

Quality-Overall8%

Garbage

Ease Of Cleaning8%

so much mess to clean up after

Color6%

colour has returned in some areas

Stone Cleaner return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

18%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Functionality-Overall
23%
2Leak-Proof
17%
3Advertised Vs Actual Product
10%
4Value For Money
9%
5Quality-Overall
6%

Common Stone Cleaner questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Stone Cleaner 46/100 on Amazon United Kingdom — Skip it. The niche generates £126K/yr across 18 tracked products. Search demand moved -9.3% over the last 90 days.
Search demand for Stone Cleaner on Amazon United Kingdom peaks in Feb–Mar–May, where the busiest month runs 16.9× the quietest.