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

The niche generates $42K/yr across 23 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -6.5%. Flapen's verdict: Worth a look (51/100).

How competitive is the s21 ultra privacy screen protector niche?

13 brands and 21 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 71% of demand.

What do buyers complain about in s21 ultra privacy screen protector?

Top complaints mined from reviews: Quality-Overall, Touch/Button Controls, Ease Of Use. The return rate is 2.0%.

When does demand for s21 ultra privacy screen protector peak?

Demand peaks in Jul; the busiest month runs 1.6× the quietest.

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

Listings span $9.30–$18.17; the average listing price is $12.72 (sweet spot $15–$100). The average incumbent carries 1,526 reviews — the moat a new listing must climb.

s21 ultra privacy screen protector

Worth a look

Shows beatable incumbent ratings (3.7★), but a small market ($42K/yr) keeps it on the watch list.

Quality gap

Incredible3.7★

avg incumbent rating — lower means beatable quality

Conversion

Great9.8%

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

Returns

Good2.0%

return rate — above 5% kills the launch gate

Brand share

Good71%

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

Avg price

Good$12.72

avg listing price — sweet spot $15–$100

Review moat

Okay1,526.35

avg incumbent reviews — the moat a new listing must climb

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Price range

Okay$9.30–$18.17

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

Growth

Bad-6.5%

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

Market size

Bad$42K

$42K/yr · 34K searches

Signals Quality Gap Out of Stock

According to Flapen's Amazon United States niche tracking, s21 ultra privacy screen protector is a $42K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jul. Verdict: Worth a look — 51/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

s21 ultra privacy screen protector market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $38K–$51K; units × avg price
Conversion rate: 9.8%
Avg BSR: #3,043
Page quality: 0%
Prime: 96%
Sponsored: 78%
Out of stock: 38.9%
Avg brand age: 29 months
Avg seller age: 224 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

56%

Top 20: 95%

Open market

23%

LYWHL31%
JavoYion16%
JEHOO10%
QUESPLE8%
YWXTW6%
Cnarery6%

Demand & seasonality

Weekly Amazon search volume, last 98 weeks — -6.5% search growth over the last 90 days.

Peak months: Jul · busiest ÷ quietest = 1.6×

Open Trend

Top s21 ultra privacy screen protector search terms

s21 ultra privacy screen protector9K/yr -8.8%7.1% conv.
s21 ultra screen protector privacy6K/yr +7.0%6.6% conv.
samsung galaxy s21 ultra privacy screen protector6K/yr -24.8%7.9% conv.
samsung galaxy s 21 ultra privacy screen protector4K/yr +10.4%5.9% conv.
galaxy s21 ultra privacy screen protector4K/yr -0.7%6.5% conv.
samsung galaxy s21 ultra privacy tempered glass screen protector3K/yr -7.8%5.7% conv.
samsung s21 ultra privacy screen protector3K/yr -8.8%11.3% conv.

All search terms

Top s21 ultra privacy 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

LYWHL 2 Pack for Galaxy S21 Ultra Privacy Screen Protector Anti-Spy Full Adhesive Coverage Film for Samsung Galaxy S21 Ultra [Ultrasonic Fingerprint Compatible] Easy Installation

LYWHL$9.974.2★6,520 rev

JavoYion 2 Pack for Samsung Galaxy S21 Ultra Privacy Screen Protector Soft Film and 2 Pack Lens Protector Fingerprint Unlock Compatible 25 Anti Spy Easy Installation Bubble-Free Case Friendly

JavoYion$11.234.4★19,558 rev

[2 Pack] YWXTW for Galaxy S21 Ultra Privacy Screen Protector Tempered Glass Anti-Spy 9H Hardness Film for Samsung Galaxy S21 Ultra 6.8 3D Curved Edge Easy Install [Dont Support Fingerprint Unlock]

YWXTW$9.303.6★1,272 rev

[2 Pack] Galaxy S21 Ultra Privacy Screen Protector 2 Pack Camera Lens Protector Tempered 9H Hardness Easy Install Anti-Scratch Anti-Fingerprint Anti-Spy Screen Protector for Galaxy S21 Ultra 6.8Inch

AYCFING$12.373.2★8 rev

QUESPLE 2 Pack for Samsung Galaxy S21 Ultra Anti-Glare Matte Privacy Screen Protector 6.8 inch Smooth and Responsive Touch Flexible EPU Film [Support Fingerprint Unlock] [Self-Healing] [Not Glass]

QUESPLE$10.113.6★6 rev

Newest

by launch date

Cnarery 2 Pack for Samsung Galaxy S21 Ultra Matte Privacy Screen Protector 6.8 Inch[Not Glass] Anti-Scratch Anti-Glare Support fingerprint Unlock

Cnarery$18.003 rev

2w ago

2 Pack Galaxy S21 Ultra Privacy Screen Protecto 9H Hardness[Anti-Scratch] Anti-Spy Tempered Glass Protective Film Full Anti-Glare Anti-Scratch for Galaxy S21 Ultra(6.8 Inch)Smooth and Responsive

Xenovont$13.16288 rev

1mo ago

[2 Pack] Galaxy S21 Ultra Privacy Screen Protector 9H Tempered Glass Ultrasonic Fingerprint Support 3D Curved Anti-Spy Film Anti-Fingerprint for Galaxy S21 Ultra 5G Screen Protector (6.8 Inch)

Xenovont$11.237 rev

2mo ago

[2+2 Pack] Galaxy S21 Ultra Privacy Screen Protector Camera Lens Protectos 9H Tempered Glass Ultrasonic Fingerprint Support 3D Curved Clear Anti-Spy Film for S21 Ultra Screen Protector (6.8 Inch)

SunColorful$10.886 rev

2mo ago

[2 Pack] Galaxy S21 Ultra Privacy Screen Protector 2 Pack Camera Lens Protector Tempered 9H Hardness Easy Install Anti-Scratch Anti-Fingerprint Anti-Spy Screen Protector for Galaxy S21 Ultra 6.8Inch

AYCFING$12.378 rev

2mo ago

What buyers say about s21 ultra privacy screen protector

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

What buyers love

Drop/Impact Protection13%

“Protector”

Assembly/Installation12%

“Easily Installed”

Size-Overall11%

“Fits perfectly”

Security11%

“Gives the privacy”

Advertised Vs Actual Product10%

“As shown”

Quality-Overall9%

“Good quality”

Durability7%

“It is durable”

Ease Of Use4%

“so easy”

Value For Money4%

“Good for the price”

Display Brightness2%

“Once I turned up the brightness on my display I could see the screen well enough”

What buyers complain about

Quality-Overall9%

“Totally worthless garbage I don't recommend”

Touch/Button Controls8%

“defeats the point of having a touchscreen”

Ease Of Use8%

“It was hard to put on”

Assembly/Installation8%

“Installation is complicated”

Value For Money7%

“just a waste of my money”

Instructions/User Manual/Troubleshooting6%

“Bubbles using the instructions were not good”

Compatibility-Overall4%

“Did not work with my samsung s21”

Security4%

“the privacy screen kind of sucks”

Durability4%

“broke the other”

Functionality-Overall3%

“Does not work as expected”

Top return reasons

Size-Overall21%

Functionality-Overall19%

Adhesion/Stickiness12%

Compatibility-Overall11%

Touch Screen4%

Defective Material/Parts3%

Display-Overall3%

Advertised Vs Actual Product3%

Instructions/User Manual/Troubleshooting3%

Value For Money2%

Common questions

Is s21 ultra privacy screen protector profitable to sell on Amazon United States?: The niche generates $42K/yr across 23 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -6.5%. Flapen's verdict: Worth a look (51/100).
How competitive is the s21 ultra privacy screen protector niche?: 13 brands and 21 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 71% of demand.
What do buyers complain about in s21 ultra privacy screen protector?: Top complaints mined from reviews: Quality-Overall, Touch/Button Controls, Ease Of Use. The return rate is 2.0%.
When does demand for s21 ultra privacy screen protector peak?: Demand peaks in Jul; the busiest month runs 1.6× the quietest.
What does it cost to enter the s21 ultra privacy screen protector niche?: Listings span $9.30–$18.17; the average listing price is $12.72 (sweet spot $15–$100). The average incumbent carries 1,526 reviews — the moat a new listing must climb.

s21 ultra privacy screen protector

s21 ultra privacy screen protector market data

Competition & brand share

Demand & seasonality

Top s21 ultra privacy screen protector search terms

Top s21 ultra privacy screen protector products on Amazon

Top sellers

Newest

Trending

What buyers say about s21 ultra privacy screen protector

What buyers love

What buyers complain about

Top return reasons

Common questions

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