Samsung S21 Plus Case
a small market ($28K/yr) — Samsung S21 Plus Case doesn't clear our bar today.
Flapen Score
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
Who owns the niche?
The top 5 brands hold 46% of demand, so 54% of the market is open.
54%
open market share
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
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.
Top sellers
by 90-day click share
for Samsung Galaxy S21 Plus Case with Screen Protector: Heavy Duty Protective Anti-scratch and ShockProof Double-Layer Protection Cover for Samsung S21 Plus (Black)
- Price
- £7.66
- Rating
- 4.3/5
- Reviews
- 55
- Age
- 10mo ago

LOLFZ Wallet Case for Samsung Galaxy S21 Plus 5G Vintage Leather Book Case with Card Holder Kickstand Magnetic Closure Flip Case Cover for Galaxy S21 Plus 5G - Black
- Price
- £7.60
- Rating
- 4.4/5
- Reviews
- 1,387
- Age
- 5y ago

kwmobile Case for Samsung Galaxy S21 Plus Case - Soft Cover - Shockproof Silicone - Wireless Charging Bordeaux Violet
- Price
- £6.52
- Rating
- 4.4/5
- Reviews
- 22,927
- Age
- 5y ago

KIOMY Clear Case for Samsung Galaxy S21+ / S21 Plus 5G Airbag Corners Shockproof Bumper Protective Phone Cover Hybrid Design Hard PC Back with Flexible TPU Frame
- Price
- £3.79
- Rating
- 4.4/5
- Reviews
- 1,409
- Age
- 5y ago

Cyber-Tech Black Case Compatible with Samsung Galaxy S21 5G Plus Slim Liquid Silicone Shockproof Phone Case with Soft Microfiber Lining
- Price
- £3.49
- Rating
- 4.2/5
- Reviews
- 35
- Age
- 2y ago
Trending
90-day click momentum![for Samsung S21 Plus Case with Screen Protector: [Military Grade 20ft. Drop Tested] Slide Camera Cover Ring Shockproof Protective Phone Case for - Samsung Galaxy S21 Plus (Black)](https://m.media-amazon.com/images/I/51N-+gDkVYL.jpg)
for Samsung S21 Plus Case with Screen Protector: [Military Grade 20ft. Drop Tested] Slide Camera Cover Ring Shockproof Protective Phone Case for - Samsung Galaxy S21 Plus (Black)
- Price
- £7.56
- Rating
- 4.4/5
- Reviews
- 800
- Age
- 6mo ago

Azororo Case for Samsung Galaxy S21 Plus 5G Premium Leather Phone Cover Magnetic Stand Flip Case with Wallet Card Slot Cover for Samsung Galaxy S21 Plus -Black
- Price
- £10.45
- Rating
- 4.5/5
- Reviews
- 5,067
- Age
- 1y ago

for Samsung Galaxy S21 Plus Case with Screen Protector: Heavy Duty Protective Anti-scratch and ShockProof Double-Layer Protection Cover for Samsung S21 Plus (Black)
- Price
- £7.66
- Rating
- 4.3/5
- Reviews
- 55
- Age
- 10mo ago

Pilaru Sliding Card Holder Case for Samsung S21 Plus | Hidden Slot Cards | 2 screen protectors | Shockproof & Anti-Slip Protective Wallet Cover | Durable Dual-Layer Design for Galaxy S21 Plus Black
- Price
- £7.55
- Rating
- 4.3/5
- Reviews
- 513
- Age
- 9mo ago

kwmobile Case for Samsung Galaxy S21 Plus Case - Soft Cover - Shockproof Silicone - Wireless Charging Bordeaux Violet
- Price
- £6.52
- Rating
- 4.4/5
- Reviews
- 22,927
- Age
- 5y ago
Newest
by launch date![for Samsung S21 Plus Case with Screen Protector: [Military Grade 20ft. Drop Tested] Slide Camera Cover Ring Shockproof Protective Phone Case for - Samsung Galaxy S21 Plus (Black)](https://m.media-amazon.com/images/I/51N-+gDkVYL.jpg)
for Samsung S21 Plus Case with Screen Protector: [Military Grade 20ft. Drop Tested] Slide Camera Cover Ring Shockproof Protective Phone Case for - Samsung Galaxy S21 Plus (Black)
- Price
- £7.56
- Rating
- 4.4/5
- Reviews
- 800
- Age
- 6mo ago

Pilaru Sliding Card Holder Case for Samsung S21 Plus | Hidden Slot Cards | 2 screen protectors | Shockproof & Anti-Slip Protective Wallet Cover | Durable Dual-Layer Design for Galaxy S21 Plus Black
- Price
- £7.55
- Rating
- 4.3/5
- Reviews
- 513
- Age
- 9mo ago

for Samsung Galaxy S21 Plus Case with Screen Protector: Heavy Duty Protective Anti-scratch and ShockProof Double-Layer Protection Cover for Samsung S21 Plus (Black)
- Price
- £7.66
- Rating
- 4.3/5
- Reviews
- 55
- Age
- 10mo ago

Azororo Case for Samsung Galaxy S21 Plus 5G Premium Leather Phone Cover Magnetic Stand Flip Case with Wallet Card Slot Cover for Samsung Galaxy S21 Plus -Black
- Price
- £10.45
- Rating
- 4.5/5
- Reviews
- 5,067
- Age
- 1y ago
![FNDMIL [NO.1 Magnetic for Samsung Galaxy S21 Plus Case with MagSafe[Military Grade Drop Tested][Translucent Matte][Anti-Fingerprint] Slim Case Soft Silicone Bumper for Samsung Galaxy S21+ Case Black](https://m.media-amazon.com/images/I/41crcWPIMPL.jpg)
FNDMIL [NO.1 Magnetic for Samsung Galaxy S21 Plus Case with MagSafe[Military Grade Drop Tested][Translucent Matte][Anti-Fingerprint] Slim Case Soft Silicone Bumper for Samsung Galaxy S21+ Case Black
- Price
- £14.10
- Rating
- 4.3/5
- Reviews
- 1,425
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
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.
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“Fits well”
“Quality case”
“value for money”
“Perfect clear strong case”
“Accurate product description”
What buyers complain about
90% of reviews“Too small”
“this is pretty cheap”
“the magnet strength is very bad wouldn't recommend”
“false advertising”
“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.
Common Samsung S21 Plus Case questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









