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Ninja Coffee Machine Water Filter

prices mostly outside the sweet spot ($6.05–$12.54) — Ninja Coffee Machine Water Filter doesn't clear our bar today.

Flapen Score

38
Skip it

Ranks 5,059 of 5,777 Home & Garden niches · −13 vs the category median of 51

Market size 20Growth 17Conversion 98Competition 8Returns 99Price range 0Avg price 26Brand share 16Review moat 95Quality gap 40
This niche Category average · 5,777 niches

Is Ninja Coffee Machine Water Filter profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Ninja Coffee Machine Water Filter is a £82K/yr Amazon United Kingdom market (53K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 38/100.

Ninja Coffee Machine Water Filter: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -16.1% over the last 90 days and 17.0% of searches end in a purchase.

£82K

revenue / yr

Units sold / yr8K
Search volume / yr-16.1%53K
Conversion rate17.0%
Avg price£9.11

Who owns the niche?

The top 5 brands hold 94% of demand, so 6% of the market is open.

6%

open market share

Brands · sellers7 · 8
Top-5 product click share90%
Open market6%
Avg brand age18 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 8 products

Sponsored placement100%
New entrants (1y)7· 0 succeeded
Avg rating4.5★
Avg reviews94

Top Ninja Coffee Machine Water Filter 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 capture 90% of clicks — a locked-up shelf that new listings rarely crack.

£0£12K£25K£37K£49K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

8

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

3%

  • MLKSI57%
  • TranRantic16%
  • SAIERTE9%
  • Hushtong7%
  • sumue5%
  • toijnhtk3%
  • Open — no brand owns it (1 brand, 3%)

Ninja Coffee Machine Water Filter demand & seasonality

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

Volume53KCVR17.0%Products8Brands7Top 5 Brands94%OOS Rate0.0%Rating4.5★Reviews94Avg BSR#53
2K1KSpike '26Prime Day '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26

Top Ninja Coffee Machine Water Filter search terms shoppers use

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

  • ninja coffee machine water filter16K/yr
  • ninja cafe luxe water filter6K/yr
  • ninja luxe cafe water filter10K/yr
  • ninja coffee machine filter5K/yr
  • ninja water filter6K/yr
  • ninja water filter for coffee machine2K/yr
  • ninja filter coffee machine4K/yr
  • ninja coffee filter4K/yr

What reviews say buyers love and hate about Ninja Coffee Machine Water Filter

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

What buyers love

97% of reviews
Value For Money29%

Excellent value for money

Size-Overall26%

Perfect fit

Advertised Vs Actual Product14%

Exactly what I wanted

Quality-Overall9%

Excellent product

Filtration7%

The filters themselves seem decent quality

What buyers complain about

73% of reviews
Size-Overall60%

All others I found were too small

Advertised Vs Actual Product7%

However, I have an issue with the misleading claim on the web page. made more than once

Material Quality7%

The permeable wall is made from a synthetic fibrous material which is not as firm as in the original cartridge

Ninja Coffee Machine Water Filter return rate & reasons

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

0.1%

Return rate

0%

Fixable by listing

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

1Filtration
39%
2Quality-Overall
28%
3Certifications
11%
4Water Resistance
11%
5Compatibility-Overall
11%

Common Ninja Coffee Machine Water Filter questions

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

Flapen scores Ninja Coffee Machine Water Filter 38/100 on Amazon United Kingdom — Skip it. The niche generates £82K/yr across 8 tracked products. 0 of 7 products launched in the last 360 days are still selling. Search demand moved -16.1% over the last 90 days.
Ninja Coffee Machine Water Filter buyers on Amazon United Kingdom complain most about Size-Overall, Advertised Vs Actual Product, Material Quality, the themes mined from the niche's reviews. Its return rate is 0.1%.