computer privacy screen 21.5 inch
Worth a lookShows a sweet-spot price point ($39.31 avg), but a small market ($35K/yr) keeps it on the watch list.
Avg price
Incredible$39.31avg listing price — sweet spot $15–$100
Price range
Incredible$21.95–$60.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great10.6%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Good68%top-5 brand share — brands hold most of the demand
Growth
Okay+17.5%90-day search growth — must beat 0% to launch
Review moat
Okay1,818.19avg incumbent reviews — the moat a new listing must climb
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Returns
Bad5.8%return rate — above 5% kills the launch gate
Market size
Bad$35K$35K/yr · 9K searches
According to Flapen's Amazon United States niche tracking, computer privacy screen 21.5 inch is a $35K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 50/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
computer privacy screen 21.5 inch market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $49K–$59K
- units × avg price
- Conversion rate
- 10.6%
- Avg BSR
- #76
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 4.7%
- Avg brand age
- 36 months
- Avg seller age
- 198 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
25
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
27%
- Mamol21%
- Izmapaic17%
- Peslv15%
- Vxaop9%
- YAKAI5%
- RedANGEL5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +17.5% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 8.9×
Top computer privacy screen 21.5 inch search terms
- 21.5 inch privacy screen for monitor4K/yr
- computer privacy screen 21 inch3K/yr
- computer privacy screen 21.5 inch1K/yr
Top computer privacy screen 21.5 inch 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share![Mamol [2 Pack] 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Eye Protection Anti Glare Blue Light Computer Monitor Privacy Filter Removable Anti-Scratch 21in Protector](https://m.media-amazon.com/images/I/41lHEDTyCML.jpg)
Mamol [2 Pack] 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Eye Protection Anti Glare Blue Light Computer Monitor Privacy Filter Removable Anti-Scratch 21in Protector
Mamol$47.014.2★1,563 rev

Izmapaic Computer Privacy Screen Filter for 21.5 Inch 16:9 Widescreen Monitor Anti-Spy/Anti Glare Protector Office Accessories - WxH: 18 3/4 x 10 9/16 (476mm x 268mm)
Izmapaic$24.424.5★364 rev
![Peslv [2-Pack] 21.5 Inch Privacy Screen for Computer Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Glare Shield 21.5inch Removable Black Blackout Anti Spy Desktop Security Private Filter](https://m.media-amazon.com/images/I/51s7YHMvwlL.jpg)
Peslv [2-Pack] 21.5 Inch Privacy Screen for Computer Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Glare Shield 21.5inch Removable Black Blackout Anti Spy Desktop Security Private Filter
Peslv$48.324.2★6,331 rev
![Vxaop [2-Pack] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)](https://m.media-amazon.com/images/I/31qagW8NYuL.jpg)
Vxaop [2-Pack] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)
Vxaop$32.644.7★57 rev

YAKAI 2 Pack 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Computer Monitor Privacy Filter Removable Protector Film
YAKAI$32.090.0★0 rev
Newest
by launch date
YAKAI 2 Pack 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Computer Monitor Privacy Filter Removable Protector Film
YAKAI$32.090 rev
![[2-Pack] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches](https://m.media-amazon.com/images/I/41KK-2+VhrL.jpg)
[2-Pack] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches
ZOEGAA$45.546,702 rev
![2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC [Support Curved Monitor]](https://m.media-amazon.com/images/I/41sFlrDzhEL.jpg)
2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC [Support Curved Monitor]
IPROKKO$60.85687 rev
![[2 Pack] 21.5 Inch Computer Privacy Screen Filter for Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Privacy Shield and Anti-Glare Protector 21.5inch Removable Anti-Scratch 21.5in Protector Film](https://m.media-amazon.com/images/I/41C0jXcy9eL.jpg)
[2 Pack] 21.5 Inch Computer Privacy Screen Filter for Monitor 16:9 Aspect Ratio Eye Protection Anti Blue Light Privacy Shield and Anti-Glare Protector 21.5inch Removable Anti-Scratch 21.5in Protector Film
pandcliny$37.8050 rev

2 Pack 21.5 Inch Privacy Screen for Computer Monitor Eye Protection Anti Glare Computer Screen Cover Removable Anti-Scratch Computer Screen Privacy Shield for 21.5 16:9 Aspect Ratio Monitors
ANTOGOO V$44.3051 rev
Trending
90-day click momentum
YAKAI 2 Pack 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor Computer Monitor Privacy Filter Removable Protector Film
YAKAI$32.090.0★
![2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC [Support Curved Monitor]](https://m.media-amazon.com/images/I/41sFlrDzhEL.jpg)
2-Pack 21.5-inch Magnetic Privacy Screen for 16:9 Computer Monitor Snap-On Removable 21in Matte Anti Glare Blue Light Spy Filter Screen Cover Private Shield for Desktop PC [Support Curved Monitor]
IPROKKO$60.854.1★
![[2-Pack] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches](https://m.media-amazon.com/images/I/41KK-2+VhrL.jpg)
[2-Pack] Privacy Screen For Computer Monitor 21.5-Inch 16:9 Aspect Ratio; Anti Spy/Bule Light/Glare And Eye Protection 2 Install Ways Removable For Office Airport Cafe And Other Public Area; Diagonal 21.5 Inches Width 18.74 Inches Height 10.54 Inches
ZOEGAA$45.544.3★
![Vxaop [2-Pack] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)](https://m.media-amazon.com/images/I/31qagW8NYuL.jpg)
Vxaop [2-Pack] 21.5 Inch Computer Privacy Screen Filter(16:9 Aspect Ratio)
Vxaop$32.644.7★

2 Pack 21.5 Inch Privacy Screen for Computer Monitor Eye Protection Anti Glare Computer Screen Cover Removable Anti-Scratch Computer Screen Privacy Shield for 21.5 16:9 Aspect Ratio Monitors
ANTOGOO V$44.304.3★
What buyers say about computer privacy screen 21.5 inch
What buyers praise and complain about, mined from review topics.What buyers love
“Does the job exactly as it advertises”
“Easy to install”
“Great product”
“Have no problems with adhesives or fit”
What buyers complain about
“Beware of the descriptions”
Top return reasons
Common questions
- Is computer privacy screen 21.5 inch profitable to sell on Amazon United States?
- The niche generates $35K/yr across 16 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +17.5%. Flapen's verdict: Worth a look (50/100).
- How competitive is the computer privacy screen 21.5 inch niche?
- 16 brands and 25 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in computer privacy screen 21.5 inch?
- Top complaints mined from reviews: Advertised Vs Actual Product. The return rate is 5.8% — above our launch gate.
- When does demand for computer privacy screen 21.5 inch peak?
- Demand peaks in Apr–May; the busiest month runs 8.9× the quietest.
- What does it cost to enter the computer privacy screen 21.5 inch niche?
- Listings span $21.95–$60.85; the average listing price is $39.31 (sweet spot $15–$100). The average incumbent carries 1,818 reviews — the moat a new listing must climb.