S21 Ultra Case
soft demand (-17.2% this quarter) — S21 Ultra Case doesn't clear our bar today.
Flapen Score
Is S21 Ultra Case profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, S21 Ultra Case is a £82K/yr Amazon United Kingdom market (243K searches/yr). The top 5 brands hold 37% of demand. Demand peaks in Sep. Verdict: Skip it — 48/100.
S21 Ultra 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 -17.2% over the last 90 days and 3.8% of searches end in a purchase.
£82K
revenue / yr
Who owns the niche?
The top 5 brands hold 37% of demand, so 63% of the market is open.
63%
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 · 45 products
Top S21 Ultra 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
imluckies Shockproof Case for Samsung Galaxy S21 Ultra with Sliding Camera Cover Slim Fit& Scratch-Resistant Camera Lens Protection Case for Samsung Galaxy S21 Ultra 5G 6.8- Black
- Price
- £9.12
- Rating
- 4.4/5
- Reviews
- 7,212
- Age
- 5y ago
HikerClub Galaxy S21 Ultra 5G Case Compatible with Mag Safe Wireless Charger Translucent Frosted Matte Back Soft Silicone Frame Military Grade Shockproof Case Cover for Galaxy S21Ultra Matte Black
- Price
- £11.10
- Rating
- 4.6/5
- Reviews
- 851
- Age
- 4y ago
Dexnor Case for Samsung Galaxy S21 Ultra 5G 6.8 Inch with Built-in Screen Protector Military Grade Armour Heavy Duty 360 Full Body Shockproof Bumper Protection Cover with Stand - Black
- Price
- £15.94
- Rating
- 4.1/5
- Reviews
- 4,705
- Age
- 5y ago
Spigen Rugged Armor Case for Samsung Galaxy S21 Ultra - Matte Black
- Price
- £13.37
- Rating
- 4.6/5
- Reviews
- 5,243
- Age
- 5y ago
![KaiMai for Samsung S21 Ultra Case [10 FT Military Grade Drop Protection] [Non-Slip] [2 pcs TPE HD Screen Protector] Heavy Duty Full-Body Shockproof Case for Samsung Galaxy S21 Ultra 5G 6.8-Black](https://m.media-amazon.com/images/I/51Nko2ABu6L.jpg)
KaiMai for Samsung S21 Ultra Case [10 FT Military Grade Drop Protection] [Non-Slip] [2 pcs TPE HD Screen Protector] Heavy Duty Full-Body Shockproof Case for Samsung Galaxy S21 Ultra 5G 6.8-Black
- Price
- £6.28
- Rating
- 4.4/5
- Reviews
- 94
- Age
- 1y ago
Trending
90-day click momentum
SUANDUCK for Samsung Galaxy S21 Ultra mobile phone case leather flip case with RFID-blocking card compartment adjustable stand and 360 drop protection with Samsung S21 Ultra Light Blue
- Price
- £17.23
- Rating
- 4.1/5
- Reviews
- 9
- Age
- 8mo ago
Kuafcase for Samsung S21 Ultra Case Wallet Leather Flip Case with 4 Card Slots Magnetic Closure Kickstand Shockproof Protective Phone Case for Samsung Galaxy S21 Ultra - Black
- Price
- £7.83
- Rating
- 4.4/5
- Reviews
- 424
- Age
- 3y ago
HikerClub Galaxy S21 Ultra 5G Case Compatible with Mag Safe Wireless Charger Translucent Frosted Matte Back Soft Silicone Frame Military Grade Shockproof Case Cover for Galaxy S21Ultra Matte Black
- Price
- £11.10
- Rating
- 4.6/5
- Reviews
- 851
- Age
- 4y ago
AYMECL for S21 Ultra Case with Slide Camera Cover 1Pcs Self-Healing Screen Protector Heavy Duty Shockproof Protective Case with Rotated Ring Kickstand for Samsung Galaxy S21 Ultra 5G Black
- Price
- £5.07
- Rating
- 4.4/5
- Reviews
- 87
- Age
- 2y ago
GiiYoon Case Compatible with Samsung Galaxy S21 Ultra 5G Silky-Soft Touch Full-Body Protective Phone Silicone Case Shockproof Cover with Microfiber Lining Black
- Price
- £7.62
- Rating
- 4.2/5
- Reviews
- 14,799
- Age
- 4y ago
Newest
by launch dateSUANDUCK for Samsung Galaxy S21 Ultra mobile phone case leather flip case with RFID-blocking card compartment adjustable stand and 360 drop protection with Samsung S21 Ultra Light Blue
- Price
- £17.23
- Rating
- 4.1/5
- Reviews
- 9
- Age
- 8mo ago
Pilaru Sliding Card Holder Case for Samsung S21 Ultra | Hidden Slot Cards | 2 screen protectors | Shockproof & Anti-Slip Protective Wallet Cover | Durable Dual-Layer Design for Galaxy S21 Ultra Black
- Price
- £7.67
- Rating
- 4.3/5
- Reviews
- 513
- Age
- 9mo ago
![for Samsung S21 Ultra Phone Case with Screen Protector:[Military Grade Drop Tested] Ring Holder Kickstand Shockproof Anti-Slip Protective Phone Case for Samsung Galaxy S21 Ultra 6.8- Blue](https://m.media-amazon.com/images/I/51mzHLUpeHL.jpg)
for Samsung S21 Ultra Phone Case with Screen Protector:[Military Grade Drop Tested] Ring Holder Kickstand Shockproof Anti-Slip Protective Phone Case for Samsung Galaxy S21 Ultra 6.8- Blue
- Price
- £7.44
- Rating
- 4.0/5
- Reviews
- 27
- Age
- 10mo ago
![AWZHYDT for Samsung S21 Ultra 5G Case with 1 HD Screen Protector & Slide Camera Cover [Military-Grade] Phone Case Heavy Duty Rugged Shockproof Protective Cover for Samsung Galaxy S21 Ultra(Cyan/Pink)](https://m.media-amazon.com/images/I/41ityu8B1nL.jpg)
AWZHYDT for Samsung S21 Ultra 5G Case with 1 HD Screen Protector & Slide Camera Cover [Military-Grade] Phone Case Heavy Duty Rugged Shockproof Protective Cover for Samsung Galaxy S21 Ultra(Cyan/Pink)
- Price
- £8.29
- Rating
- 4.5/5
- Reviews
- 23
- Age
- 1y ago
Jshru for Samsung S21 Ultra Case with Screen Protector-Camera Protective Cover Ring Stand Phone Case for Men and Women Shockproof Bumper Phone Cover for Samsung Galaxy S21 Ultra Black
- Price
- £7.85
- Rating
- 4.4/5
- Reviews
- 1,158
- Age
- 1y ago
Competition: brands, sellers & click share
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
Brands
38 falling
Sellers
47
Top-5 brand share
37%
Top 20: 86%
Top-5 click share
36%
Top 20: 80%
Open market
57%
- imluckies9%
- HikerClub8%
- Dexnor7%
- GiiYoon7%
- Spigen6%
- KaiMai6%
S21 Ultra Case demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Sep · busiest ÷ quietest = 1.8×
Top S21 Ultra Case search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- samsung s21 ultra case85K/yr
- s21 ultra phone case79K/yr
- samsung galaxy s21 ultra case26K/yr
- s21 ultra case20K/yr
- galaxy s21 ultra case12K/yr
- samsung galaxy s21 ultra 5g case10K/yr
- samsung s21 ultra phone case10K/yr
What reviews say buyers love and hate about S21 Ultra Case
What buyers mention most, as a share of all reviews.
What buyers love
86% of reviews“Good quality case”
“Fits perfectly”
“Nice protective case”
“Still going strong after 15 months”
“but still great value at current price”
What buyers complain about
59% of reviews“It Does Not Fit The Phone”
“Failed on the second use in water”
“Terrible clip quality”
“it's also tough to close and open in general, I decided to just remove that piece completely for comfort and ease”
“Doesn't stand up to the test”
S21 Ultra Case return rate & reasons
Why buyers send it back, as a share of all return requests.
2.9%
Return rate
55%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common S21 Ultra Case questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
