--- title: "galaxy a21 screen protector — Niche Verdict: Skip it (26/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/cell-phones-accessories/galaxy-a21-screen-protector" last_updated: "2026-07-09T23:54:14.631Z" locale: en meta: description: "a small market ($12K/yr) — galaxy a21 screen protector doesn't clear our bar today." "og:description": "a small market ($12K/yr) — galaxy a21 screen protector doesn't clear our bar today." "og:title": "galaxy a21 screen protector — Niche Verdict: Skip it (26/100) | Amazon United States - Flapen" --- Back to Flapen home # **galaxy a21 screen protector** **Skip it****26/100 ** a small market ($12K/yr) — galaxy a21 screen protector doesn't clear our bar today. **Market/yr** **$12K** **Growth (1y)** **+3.8%** **Products** **10** **Brands** **9** was 11 a year ago **Sellers** **10** **Price range** **$5.12–$10.20** **Returns** **2.4%** **Rating** **4.4★** **Skip it** Scored 26/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **1** ×0.30 Growth **36** ×0.30 Competition **9** ×0.20 Quality gap **47** ×0.10 Returns **81** ×0.10 ## **Demand** Weekly Amazon search volume, last 101 weeks — +3.8% year over year. 405202.5Spike '25Spike '26Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jul, Aug · busiest ÷ quietest = 2.2× ## **Competition** - Supershieldz35% - JxVrennzik15% - HPTech15% - beukei11% - VIESUP10% - LYWHL5% - Other (3 brands)9% The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack. 9 brands and 10 sellers compete here. **Brands** **9 **▼falling was 11 a year ago **Sellers** **10** **Top 5 brand share** **86%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Supershieldz (2 Pack) Designed for Samsung Galaxy A21 Tempered Glass Screen Protector Anti Scratch Bubble Free](https://m.media-amazon.com/images/I/51U3VBxfQrL.jpg) [**Supershieldz (2 Pack) Designed for Samsung Galaxy A21 Tempered Glass Screen Protector Anti Scratch Bubble Free**](https://www.amazon.com/dp/B085Q3S74B) Supershieldz$7.104.6★6,28532%▼falling 2 ![JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41YbMUxxSYL.jpg) [**JxVrennzik \[4 Pack\] Tempered Glass Screen Protector for Samsung Galaxy A21**](https://www.amazon.com/dp/B0FSXSRNYJ) JxVrennzik$9.454.5★215%▲rising 3 ![HPTech (2 Pack) Designed For Samsung Galaxy A21 Tempered Glass Screen Protector Easy to Install Anti Scratch Bubble Free Case Friendly](https://m.media-amazon.com/images/I/51VIv6l7q0L.jpg) [**HPTech (2 Pack) Designed For Samsung Galaxy A21 Tempered Glass Screen Protector Easy to Install Anti Scratch Bubble Free Case Friendly**](https://www.amazon.com/dp/B0928DBX4W) HPTech$5.124.4★92215%▲rising 4 ![beukei (4 Pack) for Samsung Galaxy A21 Screen Protector Tempered Glass Anti Scratch Bubble Free](https://m.media-amazon.com/images/I/517-yI2sh9L.jpg) [**beukei (4 Pack) for Samsung Galaxy A21 Screen Protector Tempered Glass Anti Scratch Bubble Free**](https://www.amazon.com/dp/B08816ZJ8W) beukei$7.134.6★35311%—flat 5 ![VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]](https://m.media-amazon.com/images/I/41OtGQMMCrL.jpg) [**VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 \[2-Pack\]**](https://www.amazon.com/dp/B08DHN3WZ2) VIESUP$10.204.4★5110%▲rising 6 ![[2 Pack] for Samsung Galaxy A21/A21S Privacy Screen Protector [Full Coverage] Anti Spy HD Clarity 9H Tempered Glass Screen Protector Scratch Resistant Bubble Free Easy Insall Case Friendly (6.5](https://m.media-amazon.com/images/I/41wynstMLzL.jpg) [**\[2 Pack\] for Samsung Galaxy A21/A21S Privacy Screen Protector \[Full Coverage\] Anti Spy HD Clarity 9H Tempered Glass Screen Protector Scratch Resistant Bubble Free Easy Insall Case Friendly (6.5**](https://www.amazon.com/dp/B08C9Z6169) LYWHL$10.184.2★6,5205%▼falling 7 ![YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF [2+2 Pack] [3D Glass] [Anti-Glare] [Bubble-Free] Screen Protector Glass for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41dzP8At+uL.jpg) [**YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF \[2+2 Pack\] \[3D Glass\] \[Anti-Glare\] \[Bubble-Free\] Screen Protector Glass for Samsung Galaxy A21**](https://www.amazon.com/dp/B08VNM1PWK) YEYEBF$9.034.4★6,0984%—flat 8 ![Anvzle for Samsung Galaxy A21 Case with [2 Pack] Tempered Glass Screen Protector for Galaxy A21 Heavy Duty Armor [Military-Grade] Protective with Magnetic Ring Stand Phone Case Black](https://m.media-amazon.com/images/I/41Rw6L5XY+L.jpg) [**Anvzle for Samsung Galaxy A21 Case with \[2 Pack\] Tempered Glass Screen Protector for Galaxy A21 Heavy Duty Armor \[Military-Grade\] Protective with Magnetic Ring Stand Phone Case Black**](https://www.amazon.com/dp/B0DQD2P13B) Anvzle$8.684.6★533%▼falling 9 ![Supershieldz (3 Pack) Designed for Samsung Galaxy A21 Tempered Glass Screen Protector Anti Scratch Bubble Free](https://m.media-amazon.com/images/I/51SEBJMBESL.jpg) [**Supershieldz (3 Pack) Designed for Samsung Galaxy A21 Tempered Glass Screen Protector Anti Scratch Bubble Free**](https://www.amazon.com/dp/B085PZZXPF) Supershieldz$8.014.5★3713%—flat 10 ![OtterBox Alpha Glass Screen Protector for Galaxy A21 - Clear](https://m.media-amazon.com/images/I/410tj3HCtOL.jpg) [**OtterBox Alpha Glass Screen Protector for Galaxy A21 - Clear**](https://www.amazon.com/dp/B089VZR3CT) OtterBox$5.304.1★582%—flat ## **Product shelf** All 10 tracked products in this niche. Top sellersNewestTrending [![Supershieldz (2 Pack) Designed for Samsung Galaxy A21 Tempered Glass Screen Protector Anti Scratch Bubble Free](https://m.media-amazon.com/images/I/51U3VBxfQrL.jpg)**Supershieldz (2 Pack) Designed for Samsung Galaxy A21 Tempered Glass Screen Protector Anti Scratch Bubble Free** Supershieldz**$7.10**4.6★6,285 reviews](https://www.amazon.com/dp/B085Q3S74B) [![JxVrennzik [4 Pack] Tempered Glass Screen Protector for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41YbMUxxSYL.jpg)**JxVrennzik \[4 Pack\] Tempered Glass Screen Protector for Samsung Galaxy A21** JxVrennzik**$9.45**4.5★2 reviews](https://www.amazon.com/dp/B0FSXSRNYJ) [![HPTech (2 Pack) Designed For Samsung Galaxy A21 Tempered Glass Screen Protector Easy to Install Anti Scratch Bubble Free Case Friendly](https://m.media-amazon.com/images/I/51VIv6l7q0L.jpg)**HPTech (2 Pack) Designed For Samsung Galaxy A21 Tempered Glass Screen Protector Easy to Install Anti Scratch Bubble Free Case Friendly** HPTech**$5.12**4.4★922 reviews](https://www.amazon.com/dp/B0928DBX4W) [![beukei (4 Pack) for Samsung Galaxy A21 Screen Protector Tempered Glass Anti Scratch Bubble Free](https://m.media-amazon.com/images/I/517-yI2sh9L.jpg)**beukei (4 Pack) for Samsung Galaxy A21 Screen Protector Tempered Glass Anti Scratch Bubble Free** beukei**$7.13**4.6★353 reviews](https://www.amazon.com/dp/B08816ZJ8W) [![VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 [2-Pack]](https://m.media-amazon.com/images/I/41OtGQMMCrL.jpg)**VIESUP for Samsung Galaxy A21 Screen Protector Tempered Glass 9H Hardness HD Anti-Scratch Screen Protector Protective Film for Galaxy A21 \[2-Pack\]** VIESUP**$10.20**4.4★51 reviews](https://www.amazon.com/dp/B08DHN3WZ2) [![[2 Pack] for Samsung Galaxy A21/A21S Privacy Screen Protector [Full Coverage] Anti Spy HD Clarity 9H Tempered Glass Screen Protector Scratch Resistant Bubble Free Easy Insall Case Friendly (6.5](https://m.media-amazon.com/images/I/41wynstMLzL.jpg)**\[2 Pack\] for Samsung Galaxy A21/A21S Privacy Screen Protector \[Full Coverage\] Anti Spy HD Clarity 9H Tempered Glass Screen Protector Scratch Resistant Bubble Free Easy Insall Case Friendly (6.5** LYWHL**$10.18**4.2★6,520 reviews](https://www.amazon.com/dp/B08C9Z6169) [![YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF [2+2 Pack] [3D Glass] [Anti-Glare] [Bubble-Free] Screen Protector Glass for Samsung Galaxy A21](https://m.media-amazon.com/images/I/41dzP8At+uL.jpg)**YEBF Galaxy A21 HD Clear Tempered Glass Screen Protector + Camera Lens Protectors by YEYEBF \[2+2 Pack\] \[3D Glass\] \[Anti-Glare\] \[Bubble-Free\] Screen Protector Glass for Samsung Galaxy A21** YEYEBF**$9.03**4.4★6,098 reviews](https://www.amazon.com/dp/B08VNM1PWK) [![Anvzle for Samsung Galaxy A21 Case with [2 Pack] Tempered Glass Screen Protector for Galaxy A21 Heavy Duty Armor [Military-Grade] Protective with Magnetic Ring Stand Phone Case Black](https://m.media-amazon.com/images/I/41Rw6L5XY+L.jpg)**Anvzle for Samsung Galaxy A21 Case with \[2 Pack\] Tempered Glass Screen Protector for Galaxy A21 Heavy Duty Armor \[Military-Grade\] Protective with Magnetic Ring Stand Phone Case Black** Anvzle**$8.68**4.6★53 reviews](https://www.amazon.com/dp/B0DQD2P13B) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**19% *“Very good product”* **Size-Overall**15% *“Perfect fit”* **Drop/Impact Protection**14% *“Prevents scratch's”* **Ease Of Use**14% *“ease of use”* **Compatibility-Overall**14% *“It stated compatible”* **Value For Money**8% *“the price was right”* **Durability**7% *“durable”* **Assembly/Installation**4% *“Easy to install”* **Advertised Vs Actual Product**4% *“Just as described”* ### **What buyers complain about ** **Quality-Overall**50% *“Junk”* **Size-Overall**25% *“Fitting Issue”* **Compatibility-Overall**25% *“It did not fit my Galaxy Flip 7”* #### **Top return reasons**- Size-Overall75% - Compatibility-Overall13% - Adhesion/Stickiness4% - Advertised Vs Actual Product3% - Drop/Impact Protection2% - Functionality-Overall2% - Length2% - Strength1% - Touch Screen1%