s21 plus screen protector
Skip itPrices mostly outside the sweet spot ($4.39–$15.63) — this niche doesn't clear our bar today.
Conversion
Incredible15.5%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Returns
Good2.2%return rate — above 5% kills the launch gate
Brand share
Good74%top-5 brand share — brands hold most of the demand
Market size
Okay$134K$134K/yr · 90K searches
Avg price
Okay$9.55avg listing price — sweet spot $15–$100
Growth
Bad-2.5%90-day search growth — must beat 0% to launch
Competition
Bad73%top-5 click share — a locked-up shelf
Review moat
Bad14,159.89avg incumbent reviews — the moat a new listing must climb
Price range
Bad$4.39–$15.63cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, s21 plus screen protector is a $134K/yr Amazon United States market (90K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 44/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
s21 plus screen protector market data
- Units sold / yr
- 13K–15K
- avg 1,500–2,000/product
- Revenue / yr
- $119K–$143K
- units × avg price
- Conversion rate
- 15.5%
- Avg BSR
- #1,115
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 72%
- Out of stock
- 1.0%
- Avg brand age
- 33 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
17 rising
Sellers
22
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
23%
- JETech17%
- UniqueMe17%
- NEW'C17%
- iCsapr13%
- Supershieldz10%
- WILLONE4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.5% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 1.9×
Top s21 plus screen protector search terms
- s21 plus screen protector22K/yr
- samsung galaxy s21 plus screen protector13K/yr
- galaxy s21 plus screen protector12K/yr
- samsung s21 plus screen protector13K/yr
- s21+ screen protector11K/yr
- galaxy s21+ screen protector6K/yr
- samsung s21+ screen protector5K/yr
- samsung galaxy s21+ screen protector4K/yr
- screen protector s21 plus3K/yr
Top s21 plus 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.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
JETech Screen Protector for Samsung Galaxy S21 Plus 6.7-Inch with Camera Lens Protector Easy Installation Tool Tempered Glass Film HD Clear 2-Pack Each
JETech$10.044.4★27,208 rev
NEWC 3 Pack Designed for Samsung Galaxy S21 Plus / S21+ 5G (6.7) Screen Protector Tempered Glass Fingerprint Resistant 9H Hardness 0.33mm Ultra Transparent Ultra Resistant
NEW'C$7.254.5★107,371 rev
![UniqueMe for Samsung Galaxy S21 Plus Screen Protector 9H Hardness Fingerprint Unlock Samsung S21+ Tempered Glass + Camera Lens Protector with Easy installation Frame - 6.7 inch [ 2+2 Pack ]](https://m.media-amazon.com/images/I/51AK1cGRWjL.jpg)
UniqueMe for Samsung Galaxy S21 Plus Screen Protector 9H Hardness Fingerprint Unlock Samsung S21+ Tempered Glass + Camera Lens Protector with Easy installation Frame - 6.7 inch [ 2+2 Pack ]
UniqueMe$12.834.3★32,704 rev
![iCsapr 4 Pack Glass Screen Protector Compatible for Samsung Galaxy S21 Plus 5G / S21+ / SM-g996u [9H Hardness]-HD Screen Tempered Glass Scratch Resistant Easy Install [Case Friendly]](https://m.media-amazon.com/images/I/41fav0k5ACL.jpg)
iCsapr 4 Pack Glass Screen Protector Compatible for Samsung Galaxy S21 Plus 5G / S21+ / SM-g996u [9H Hardness]-HD Screen Tempered Glass Scratch Resistant Easy Install [Case Friendly]
iCsapr$6.724.4★1,917 rev
Supershieldz (3 Pack) Designed for Samsung Galaxy (S21 Plus 5G) Tempered Glass Screen Protector Anti Scratch Bubble Free
Supershieldz$8.964.3★5,658 rev
Newest
by launch date
2 Pack For Galaxy S21 Plus Privacy Screen Protector With 2 Pack Camera Lens Protector Anti Spy Private Tempered Glass Film 9H Hardness Anti Fingerprint Scratch Resistant Bubble Free Easy To Instav
SunColorful$11.65194 rev
BIGFLYANTS 2 Pack Privacy Screen Protector for Samsung Galaxy S21 Plus with 2 Pack Camera Lens Protector Anti-Spy Tempered Glass Film Full Coverage Anti-Scratch Bubble Free Easy Installation
BIGFLYANTS$6.923 rev
WILLONE 2+2 Pack for Samsung Galaxy S21 Plus Screen Protector (6.70 inches) with Camera Lens Protector Case Friendly Tempered Glass Film Fingerprint Unlock HD Clear
WILLONE$10.0830,442 rev
2+2 Pack for S21 Plus Screen Protector with Camera Lens Protector 2.5D Full Coverage 9H Tempered Glass Scratch Resistant Touch Sensitive Bubble-Free Easy Installation (6.7 Inch)
Geviaho$9.6111 rev
TENOC Screen Protector for Samsung Galaxy S21 Plus 2-Pack Clear 9H Tempered Glass Film Cover Sensor Protection Case Friendly for 6.7 inch
TENOC$4.3993 rev
Trending
90-day click momentumBIGFLYANTS 2 Pack Privacy Screen Protector for Samsung Galaxy S21 Plus with 2 Pack Camera Lens Protector Anti-Spy Tempered Glass Film Full Coverage Anti-Scratch Bubble Free Easy Installation
BIGFLYANTS$6.924.2★
2 Pack For Galaxy S21 Plus Privacy Screen Protector With 2 Pack Camera Lens Protector Anti Spy Private Tempered Glass Film 9H Hardness Anti Fingerprint Scratch Resistant Bubble Free Easy To Instav
SunColorful$11.654.3★
WILLONE 2+2 Pack for Samsung Galaxy S21 Plus Screen Protector (6.70 inches) with Camera Lens Protector Case Friendly Tempered Glass Film Fingerprint Unlock HD Clear
WILLONE$10.084.6★
2+2 Pack for S21 Plus Screen Protector with Camera Lens Protector 2.5D Full Coverage 9H Tempered Glass Scratch Resistant Touch Sensitive Bubble-Free Easy Installation (6.7 Inch)
Geviaho$9.613.0★
JETech Screen Protector for Samsung Galaxy S21 Plus 6.7-Inch with Camera Lens Protector Easy Installation Tool Tempered Glass Film HD Clear 2-Pack Each
JETech$10.044.4★
What buyers say about s21 plus screen protector
What buyers praise and complain about, mined from review topics.What buyers love
“Good fit”
“Excellent product and good it comes with 2”
“Great protectio”
“Easy to install”
“As advertised”
“Worth it”
“It works as far as privacy goes”
“biometrics compatible”
“Clear and durable”
“Easy to use”
What buyers complain about
“NOT FINGERPRINT COMPATIBLE”
“It didn't work for me”
“the screen protector was too small”
“Very bad quality for the phone not fingerprint work”
“Don't stick on the screen”
“Don't waist money”
“Severely affects touch screen sensitivity”
“I broke one just by handling it”
“Really brings down the brightness of the phone because its tinted or something”
“They lied on the description”
Top return reasons
Common questions
- Is s21 plus screen protector profitable to sell on Amazon United States?
- The niche generates $134K/yr across 18 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -2.5%. Flapen's verdict: Skip it (44/100).
- How competitive is the s21 plus screen protector niche?
- 17 brands and 22 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in s21 plus screen protector?
- Top complaints mined from reviews: Compatibility-Overall, Functionality-Overall, Size-Overall. The return rate is 2.2%.
- When does demand for s21 plus screen protector peak?
- Demand peaks in Jul–Aug; the busiest month runs 1.9× the quietest.
- What does it cost to enter the s21 plus screen protector niche?
- Listings span $4.39–$15.63; the average listing price is $9.55 (sweet spot $15–$100). The average incumbent carries 14,160 reviews — the moat a new listing must climb.