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Samsung S21 Plus Case

a small market ($28K/yr) — Samsung S21 Plus Case doesn't clear our bar today.

Flapen Score

44
Skip it
Market size 7Growth 17Conversion 44Competition 69Returns 46Price range 49Avg price 23Brand share 89Review moat 42Quality gap 63
This niche Category average

Is Samsung S21 Plus Case profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Samsung S21 Plus Case is a £28K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 46% of demand. Verdict: Skip it — 44/100.

Samsung S21 Plus Case: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -15.6% over the last 90 days and 3.5% of searches end in a purchase.

£28K

revenue / yr

Units sold / yr4K
Search volume / yr-15.6%100K
Conversion rate3.5%
Avg price£8.16

Who owns the niche?

The top 5 brands hold 46% of demand, so 54% of the market is open.

54%

open market share

Brands · sellers33 · 54
Top-5 product click share44%
Open market54%
Avg brand age35 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 42 products

Sponsored placement81%
New entrants (1y)7· 0 succeeded
Avg rating4.4★
Avg reviews2,283

Top Samsung S21 Plus Case 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 44% of clicks — established leaders, but buyers still shop beyond them.

£0£854£2K£3K£3K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

33 falling

Sellers

54

Top-5 brand share

46%

Top 20: 90%

Top-5 click share

44%

Top 20: 81%

Open market

48%

  • Jihucase12%
  • LOLFZ10%
  • kwmobile8%
  • KIOMY8%
  • Pilaru7%
  • Cyber-Tech6%

Samsung S21 Plus Case demand & seasonality

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

Volume100KCVR3.5%Products42Brands33Top 5 Brands46%OOS Rate10.4%Rating4.4★Reviews2,283Avg BSR#3,776
4K3KDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Top Samsung S21 Plus Case search terms shoppers use

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

  • samsung s21 plus case22K/yr
  • s21 plus phone case19K/yr
  • s21+ phone case13K/yr
  • samsung s21+ case11K/yr
  • samsung galaxy s21 plus case10K/yr
  • samsung s21 plus phone case9K/yr
  • s21 plus case5K/yr
  • samsung galaxy s21+ case3K/yr
  • galaxy s21 plus case2K/yr
  • samsung s21 + case2K/yr

What reviews say buyers love and hate about Samsung S21 Plus Case

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

What buyers love

90% of reviews
Size-Overall28%

Fits well

Quality-Overall22%

Quality case

Value For Money8%

value for money

Strength8%

Perfect clear strong case

Advertised Vs Actual Product6%

Accurate product description

What buyers complain about

90% of reviews
Size-Overall25%

Too small

Quality-Overall13%

this is pretty cheap

Magnetic Strength/Adsorption11%

the magnet strength is very bad wouldn't recommend

Advertised Vs Actual Product8%

false advertising

Strength8%

This case is very fragile

Samsung S21 Plus Case return rate & reasons

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

3.3%

Return rate

77%

Fixable by listing

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

1Size-Overall
69%
2Compatibility-Overall
9%
3Advertised Vs Actual Product
3%
4Magnetic Strength/Adsorption
3%
5Charging
3%

Common Samsung S21 Plus Case questions

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

Flapen scores Samsung S21 Plus Case 44/100 on Amazon United Kingdom — Skip it. The niche generates £28K/yr across 42 tracked products. 0 of 7 products launched in the last 360 days are still selling. Search demand moved -15.6% over the last 90 days.
Search demand for Samsung S21 Plus Case on Amazon United Kingdom is steady year-round — the busiest month runs 1.7× the quietest.