Skip to content

s21 privacy screen protector

Skip it40/100

a small market ($41K/yr) — s21 privacy screen protector doesn't clear our bar today.

Market/yr

$41K

Growth (1y)

+53.6%

Products

21

Brands

21

was 10 a year ago

Sellers

27

Price range

$5.97–$18.30

Returns

3.8%

Rating

4.1★

40/100

Skip it

Scored 40/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
2
×0.30
Growth
51
×0.30
Competition
49
×0.20
Quality gap
78
×0.10
Returns
69
×0.10

Demand

Weekly Amazon search volume, last 99 weeks — +53.6% year over year.
1K628.5Spike '25Jul '24Dec '24Mar '25Jul '25Nov '25Feb '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Jul · busiest ÷ quietest = 1.7×

Competition

21%HPTech
  • HPTech21%
  • UniqueMe13%
  • CHRINECY11%
  • Geviaho7%
  • BIGFLYANTS6%
  • Fynorao6%
  • Other (15 brands)37%

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them. 21 brands and 27 sellers compete here.

Brands

21 rising

was 10 a year ago

Sellers

27

Top 5 brand share

57%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 21 tracked products in this niche.

HPTech 2 Pack Privacy Screen Protector for Samsung Galaxy S21 Galaxy S21 5G Anti Spy Tempered Glass [Dont Support Fingerprint Unlock] Anti Scratch Bubble Free

HPTech 2 Pack Privacy Screen Protector for Samsung Galaxy S21 Galaxy S21 5G Anti Spy Tempered Glass [Dont Support Fingerprint Unlock] Anti Scratch Bubble Free

HPTech

$6.054.2★2,074 reviews

UniqueMe [2+2 Pack] Compatible with Samsung S21 Privacy Screen Protector Tempered Glass and Camera Lens Protector Anti Spy [Easy Installation Frame] Bubble Free

UniqueMe [2+2 Pack] Compatible with Samsung S21 Privacy Screen Protector Tempered Glass and Camera Lens Protector Anti Spy [Easy Installation Frame] Bubble Free

UniqueMe

$15.034.3★32,704 reviews

CHRINECY [4 Pack] 2 Pack Privacy Screen Protector for Samsung Galaxy S21 5G with 2 Pack Camera Lens Protector 9H Hardness Anti Spy Tempered Glass Screen Protector

CHRINECY [4 Pack] 2 Pack Privacy Screen Protector for Samsung Galaxy S21 5G with 2 Pack Camera Lens Protector 9H Hardness Anti Spy Tempered Glass Screen Protector

CHRINECY

$8.634.1★988 reviews

Geviaho (2 Pack) Galaxy S21 Privacy Screen Protector Tempered Glass 9H Hardness 2D Curved Full Coverage Bubble Free Support Fingerprint For Samsung Galaxy S21 6.2 Inch

Geviaho (2 Pack) Galaxy S21 Privacy Screen Protector Tempered Glass 9H Hardness 2D Curved Full Coverage Bubble Free Support Fingerprint For Samsung Galaxy S21 6.2 Inch

Geviaho

$12.194.3★1,033 reviews

BIGFLYANTS 2 Pack Privacy Screen Protector for Samsung Galaxy S21 with 2 Camera Lens Protector Anti-Spy Tempered Glass Film Full Coverage Anti-Scratch Bubble Free Easy Installation

BIGFLYANTS 2 Pack Privacy Screen Protector for Samsung Galaxy S21 with 2 Camera Lens Protector Anti-Spy Tempered Glass Film Full Coverage Anti-Scratch Bubble Free Easy Installation

BIGFLYANTS

$7.644.0★280 reviews

Fynorao Privacy Screen Protector for Samsung Galaxy S21 Anti-Spy Tempered Glass 9H Hardness Anti-Scratch Shatterproof 2.5D Curved Edges Bubble-Free Easy Install Case Friendly - 3 Pack

Fynorao Privacy Screen Protector for Samsung Galaxy S21 Anti-Spy Tempered Glass 9H Hardness Anti-Scratch Shatterproof 2.5D Curved Edges Bubble-Free Easy Install Case Friendly - 3 Pack

Fynorao

$9.234.0★48 reviews

2 Pack For Galaxy S21 Privacy Screen Protector With 2 Pack Camera Lens Protector Anti Spy Private Tempered Glass Film 9H Hardness Anti Fingerprint Scratch Resistant Bubble Free Easy Install(6.2 Inch)

2 Pack For Galaxy S21 Privacy Screen Protector With 2 Pack Camera Lens Protector Anti Spy Private Tempered Glass Film 9H Hardness Anti Fingerprint Scratch Resistant Bubble Free Easy Install(6.2 Inch)

SunColorful

$11.064.3★194 reviews

Slanku [3 Pack Privacy Screen Protector for Samsung Galaxy S21 Tempered Glass Film Anti-Spy Case Friendly 9H Hardness Black

Slanku [3 Pack Privacy Screen Protector for Samsung Galaxy S21 Tempered Glass Film Anti-Spy Case Friendly 9H Hardness Black

Slanku

$7.083.9★198 reviews

Reviews

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

What buyers love

Security21%

“Overall it does its job with privacy”

Drop/Impact Protection14%

“Great privacy screen protector”

Quality-Overall11%

“So overall quality for installation great”

Size-Overall9%

“Fits great”

Advertised Vs Actual Product7%

“you get as advertised”

Touch/Button Controls5%

“neat the fingerprint sensor does work you just have to press a little bit firm to get it to activate other than that I'm not sure about destruction resistance because I have not tried to do anything to it or anything like that”

Ease Of Use5%

“easiest surprisingly,”

Assembly/Installation4%

“Looks great, easy to install”

Value For Money2%

“I guess for the price it will suffice”

Ease Of Cleaning2%

“I cleaned and dried my phone thoroughly”

What buyers complain about

Size-Overall16%

“Doesn't fit phone it says it's for”

Advertised Vs Actual Product16%

“Bad description”

Security12%

“Doesn't really provide privacy”

Functionality-Overall8%

“I cant even set new prints with this on”

Value For Money7%

“Definitely not worth purchasing”

Compatibility-Overall7%

“not finger print compatible”

Touch Screen6%

“but even then, it doesn't even fully block out the screen”

Durability4%

“Impaired phone function AND BROKEN after only 3 weeks”

Software/Application3%

“My only complaint with this item is my finger scan is not recognized through it to log into my accounts so I had to take it off”

Quality-Overall3%

“Poor quality”

Top return reasons

  • Size-Overall61%
  • Compatibility-Overall12%
  • Functionality-Overall10%
  • Advertised Vs Actual Product3%
  • Touch Screen3%
  • Security2%
  • Value For Money1%
  • Product Condition1%
  • Display-Overall1%
  • Defective Material/Parts1%

Data scraped July 6, 2026 · Marketplace baseline: 4.4★ avg rating · $22.66 median price · 2.2% median returns across 14,544 tracked niches.