Is s21 ultra screen protector profitable to sell on Amazon United Kingdom?

The niche generates £41K/yr across 13 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +0.4%. Flapen's verdict: Skip it (40/100).

How competitive is the s21 ultra screen protector niche?

11 brands and 15 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in s21 ultra screen protector?

Top complaints mined from reviews: Quality-Overall, Durability, Functionality-Overall. The return rate is 1.6%.

When does demand for s21 ultra screen protector peak?

Demand peaks in Aug–Sep; the busiest month runs 1.8× the quietest.

What does it cost to enter the s21 ultra screen protector niche?

Listings span £3.24–£10.12; the average listing price is £6.53 (sweet spot $15–$100). The average incumbent carries 10,687 reviews — the moat a new listing must climb.

s21 ultra screen protector

Skip it

Prices mostly outside the sweet spot ($3.24–$10.12) — this niche doesn't clear our bar today.

Conversion

Great11.1%

search→purchase rate — share of searches ending in a sale

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Returns

Great1.6%

return rate — above 5% kills the launch gate

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Growth

Okay+0.4%

90-day search growth — must beat 0% to launch

Review moat

Bad10,687.15

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad£6.53

avg listing price — sweet spot $15–$100

Competition

Bad79%

top-5 click share — a locked-up shelf

Market size

Bad£41K

£41K/yr · 57K searches

Price range

Bad£3.24–£10.12

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, s21 ultra screen protector is a £41K/yr Amazon United Kingdom market (57K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 40/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

s21 ultra screen protector market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: £39K–£52K; units × avg price
Conversion rate: 11.1%
Avg BSR: #731
Page quality: 0%
Prime: 100%
Sponsored: 69%
Out of stock: 26.2%
Avg brand age: 34 months
Avg seller age: 237 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

12%

LK26%
4youquality22%
JavoYion13%
TECHGEAR12%
TAURI11%
Kuteja5%
Open — no brand owns it (5 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.4% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 1.8×

Open Trend

Top s21 ultra screen protector search terms

s21 ultra screen protector27K/yr -0.1%10.6% conv.
samsung s21 ultra screen protector18K/yr -3.9%9.8% conv.
samsung galaxy s21 ultra screen protector6K/yr +16.5%9.2% conv.
galaxy s21 ultra screen protector3K/yr -8.4%12.6% conv.
screen protector s21 ultra2K/yr +19.5%11.4% conv.

All search terms

Top s21 ultra screen protector products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

LK 3 Pack for Samsung Galaxy S21 Ultra Screen Protector In-Display Fingerprint Support HD Clear Flexible TPU Film with Positioning Tool Case Friendly Bubble Free

LK£8.814.2★7,233 rev

4youquality Tempered Glass Screen Protector for Samsung Galaxy S21 Ultra 2-Pack [LifetimeSupport][Impact-Resistant][Anti-Shatter][Anti-Scratch]

4youquality£3.373.9★459 rev

TAURI 2+2 Pack Screen Protector Designed for Samsung Galaxy S21 Ultra [Full Protection] 2 PCS Soft TPU Film + 2 PCS Camera Lens Protector 100% Fingerprint Unlock Bubble Free - 6.8 inch

TAURI£8.284.1★44,529 rev

2+2 Pack for S21 Ultra Screen Protector Tempered Glass + Camera Lens Protector Fingerprint Touch ID Compatible Bubble-Free Installation HD Clear Scratch Resistant for Galaxy S21 Ultra 6.8 In

JavoYion£7.584.3★11,976 rev

TECHGEAR [2 Pack Screen Protector fits Samsung Galaxy S21 Ultra [Screen Angel Edition] [In-Display Fingerprint Support][Case Friendly] [Bubble Free] [FULL Screen Coverage] HD Clear Flexible TPU Film

TECHGEAR£3.243.6★335 rev

Newest

by launch date

Kuteja for Samsung Galaxy S21 Ultra Privacy Screen Protector [Fingerprint Unlock] Full Coverage Galaxy S21 Ultra Anti-Spy TPU Screen Protector Film High Sensitivity Case-Friendly 2-Pack

Kuteja£10.123 rev

3mo ago

Beukei Screen Protector for Samsung Galaxy S21 Ultra (2 Pack) glass Film Anti-Shatter Scratch Resistant NO-Bubble 9H Hardness screen protector full coverage Film

Beukei£8.586,089 rev

6mo ago

skoxno (2 Pack) Screen Protector for Samsung Galaxy S21 Ultra 3D Curved Full Coverage Bubble Free Anti-Scratch HD Clear Shield Film

skoxno£4.961 rev

6mo ago

2+2 Pack for S21 Ultra Screen Protector Tempered Glass + Camera Lens Protector Fingerprint Touch ID Compatible Bubble-Free Installation HD Clear Scratch Resistant for Galaxy S21 Ultra 6.8 In

JavoYion£7.5811,976 rev

7mo ago

JavoYion 2+2 Pack for Samsung Galaxy S21 Ultra Screen Protector and Camera Protectors Positioner Fingerprint Support Anti-Scratch Case Friendly Screen Protector for Galaxy S21 Ultra 5G

JavoYion£7.4418,158 rev

7mo ago

What buyers say about s21 ultra screen protector

What buyers praise and complain about, mined from review topics.

What buyers love

Drop/Impact Protection20%

“Good screen protector”

Quality-Overall15%

“Excellent kit and instructions to get the screen on first time with no bubbles”

Ease Of Use14%

“Easy to use”

Value For Money11%

“Good price”

Size-Overall10%

“Perfect fit”

Advertised Vs Actual Product6%

“Does the job perfectly”

Assembly/Installation5%

“Really easy to install”

Instructions/User Manual/Troubleshooting3%

“If you follow the video instructions it fits perfectly”

Efficiency3%

“Works well”

Touch/Button Controls2%

“Its easy to apply and offers a smooth, responsive touch experience”

What buyers complain about

Quality-Overall20%

“Cheap unsuitable product”

Durability14%

“Doesn't last as long as others used”

Functionality-Overall11%

“the majority of the time dont work”

Size-Overall8%

“Glass doesn't fit the screen properly”

Compatibility-Overall7%

“Not compatible with my Samsung phone”

Value For Money6%

“very expensive for a rubbish item that doesn't work”

Adhesion/Stickiness4%

“The adhesive also seems to form a haze on the inside of the protector which you can clean off the apertures before installing”

Thickness4%

“the thickness makes me to carefully with it”

Touch Screen4%

“This screen protector will not read your finger print”

Ease Of Use3%

“telling to to press harder”

Top return reasons

Size-Overall35%

Functionality-Overall14%

Compatibility-Overall11%

Adhesion/Stickiness8%

Quality-Overall7%

Advertised Vs Actual Product4%

Value For Money3%

Durability3%

Touch/Button Controls3%

Thin2%

Common questions

Is s21 ultra screen protector profitable to sell on Amazon United Kingdom?: The niche generates £41K/yr across 13 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +0.4%. Flapen's verdict: Skip it (40/100).
How competitive is the s21 ultra screen protector niche?: 11 brands and 15 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in s21 ultra screen protector?: Top complaints mined from reviews: Quality-Overall, Durability, Functionality-Overall. The return rate is 1.6%.
When does demand for s21 ultra screen protector peak?: Demand peaks in Aug–Sep; the busiest month runs 1.8× the quietest.
What does it cost to enter the s21 ultra screen protector niche?: Listings span £3.24–£10.12; the average listing price is £6.53 (sweet spot $15–$100). The average incumbent carries 10,687 reviews — the moat a new listing must climb.