Samsung S21 Case
prices mostly outside the sweet spot ($2.16–$16.80) — Samsung S21 Case doesn't clear our bar today.
Flapen Score
Is Samsung S21 Case profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Samsung S21 Case is a £138K/yr Amazon United Kingdom market (558K searches/yr). The top 5 brands hold 42% of demand. Verdict: Skip it — 48/100.
Samsung S21 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 -13.6% over the last 90 days and 3.2% of searches end in a purchase.
£138K
revenue / yr
Who owns the niche?
The top 5 brands hold 42% of demand, so 58% of the market is open.
58%
open market share
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 · 57 products
Top Samsung S21 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![AIMOYU for Samsung Galaxy S21 5G Case Flip Wallet Leather Phone Case with [4 Card Slots] [Kickstand] [RFID Blocking] Magnetic Protective Shockproof Cover for Samsung S21 Phone Case - Black](https://m.media-amazon.com/images/I/413yrzzeYbL.jpg)
AIMOYU for Samsung Galaxy S21 5G Case Flip Wallet Leather Phone Case with [4 Card Slots] [Kickstand] [RFID Blocking] Magnetic Protective Shockproof Cover for Samsung S21 Phone Case - Black
- Price
- £6.25
- Rating
- 4.5/5
- Reviews
- 5,386
- Age
- 1y ago

YATWIN Silicone Case for Samsung Galaxy S21 Soft-Touch Shockproof Slim Durable Phone Cover - Dark Green
- Price
- £5.51
- Rating
- 4.2/5
- Reviews
- 367
- Age
- 4y ago

Transparent protective case for Samsung Galaxy S21 5G - Hybrid design - Hard polycarbonate back with flexible TPU frame - Slim fit - For men women boys and girls - 4 corners
- Price
- £3.97
- Rating
- 4.6/5
- Reviews
- 1,970
- Age
- 5y ago

JETech Slim Fit Case Compatible with Samsung Galaxy S21 5G 6.2-Inch Thin Phone Cover with Shock-Absorption and Carbon Fiber Design (Black)
- Price
- £8.78
- Rating
- 4.4/5
- Reviews
- 7,772
- Age
- 5y ago

KRAFTCARE for Samsung S21 Case with Kickstand Ring and Screen Protector Shockproof and Anti Scratch 360 Magnetic Ring Holder Stand Phone Cover for Samsung Galaxy S21 - Dark Green
- Price
- £7.82
- Rating
- 4.3/5
- Reviews
- 1,003
- Age
- 3y ago
Trending
90-day click momentum
LeYi for Samsung Galaxy S21 5G-6.2 Inch Phone Case with Camera Cover Slider |2 Tempered Glass Screen Protectors Ring Stand Holder Rugged Protective Tough Armor Cover for Samsung S21 5G Black
- Price
- £5.68
- Rating
- 4.6/5
- Reviews
- 1,067
- Age
- 5mo ago

YATWIN Silicone Case for Samsung Galaxy S21 Soft-Touch Shockproof Slim Durable Phone Cover - Dark Blue
- Price
- £7.27
- Rating
- 4.5/5
- Reviews
- 71
- Age
- 3y ago

SUANDUCK for Samsung Galaxy S21 mobile phone case magnetic leather flip case with RFID-blocking card compartment adjustable stand and 360 drop protection with Samsung S21 Light Blue
- Price
- £16.80
- Rating
- 3.6/5
- Reviews
- 19
- 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

Hually Case Compatible with Samsung Galaxy S21 (6.2-inch) Crystal Clear Unique shock Ultra Thin Flexible TPU & Hard PC Cover for Samsung Galaxy S21 - Clear
- Price
- £2.61
- Rating
- 3.9/5
- Reviews
- 32
- Age
- 3y ago
Newest
by launch date
LeYi for Samsung Galaxy S21 5G-6.2 Inch Phone Case with Camera Cover Slider |2 Tempered Glass Screen Protectors Ring Stand Holder Rugged Protective Tough Armor Cover for Samsung S21 5G Black
- Price
- £5.68
- Rating
- 4.6/5
- Reviews
- 1,067
- Age
- 5mo ago

SUANDUCK for Samsung Galaxy S21 mobile phone case magnetic leather flip case with RFID-blocking card compartment adjustable stand and 360 drop protection with Samsung S21 Light Blue
- Price
- £16.80
- Rating
- 3.6/5
- Reviews
- 19
- Age
- 10mo ago
![AWZHYDT for Samsung S21 5G Case with 1 HD Screen Protector & Slide Camera Cover [Military-Grade] Phone Case Heavy Duty Rugged Shockproof Protective Cover for Samsung Galaxy S21(Cyan/Pink)](https://m.media-amazon.com/images/I/41hZtpiL-IL.jpg)
AWZHYDT for Samsung S21 5G Case with 1 HD Screen Protector & Slide Camera Cover [Military-Grade] Phone Case Heavy Duty Rugged Shockproof Protective Cover for Samsung Galaxy S21(Cyan/Pink)
- Price
- £8.26
- Rating
- 4.4/5
- Reviews
- 17
- Age
- 1y ago

Pilaru Sliding Card Holder Case for Samsung S21 | Hidden Slot Cards | 2 screen protectors | Shockproof & Anti-Slip Protective Wallet Cover | Durable Dual-Layer Design for Galaxy S21 Black
- Price
- £7.35
- Rating
- 4.3/5
- Reviews
- 513
- Age
- 1y ago
![AIMOYU for Samsung Galaxy S21 5G Case Flip Wallet Leather Phone Case with [4 Card Slots] [Kickstand] [RFID Blocking] Magnetic Protective Shockproof Cover for Samsung S21 Phone Case - Black](https://m.media-amazon.com/images/I/413yrzzeYbL.jpg)
AIMOYU for Samsung Galaxy S21 5G Case Flip Wallet Leather Phone Case with [4 Card Slots] [Kickstand] [RFID Blocking] Magnetic Protective Shockproof Cover for Samsung S21 Phone Case - Black
- Price
- £6.25
- Rating
- 4.5/5
- Reviews
- 5,386
- Age
- 1y ago
Competition: brands, sellers & click share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
Brands
42 rising
Sellers
54
Top-5 brand share
42%
Top 20: 81%
Top-5 click share
38%
Top 20: 72%
Open market
54%
- YATWIN12%
- AIMOYU9%
- KIOMY8%
- JETech7%
- KRAFTCARE6%
- LeYi5%
Samsung S21 Case demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.5×
Top Samsung S21 Case search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- samsung s21 case147K/yr
- s21 phone case123K/yr
- samsung galaxy s21 case52K/yr
- galaxy s21 case43K/yr
- samsung s21 phone case36K/yr
- galaxy s21 5g case27K/yr
- samsung s21 5g phone case16K/yr
- s21 5g phone case15K/yr
- s21 case17K/yr
- samsung galaxy s21 phone case12K/yr
What reviews say buyers love and hate about Samsung S21 Case
What buyers mention most, as a share of all reviews.
What buyers love
90% of reviews“Fits well”
“Quality case”
“Excellent value”
“reasonable shock protection”
“Brilliant quality and lovely colour”
What buyers complain about
83% of reviews“case doesn't fit”
“poor quality control”
“Didn't fit phone”
“It only took one drop for it to break”
“This case is very fragile”
Samsung S21 Case return rate & reasons
Why buyers send it back, as a share of all return requests.
3.8%
Return rate
81%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Samsung S21 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.









