--- title: "s21 ultra screen protector — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/cell-phones-accessories/s21-ultra-screen-protector" last_updated: "2026-07-10T01:13:03.913Z" locale: en meta: description: "a small market ($338K/yr) — s21 ultra screen protector doesn't clear our bar today." "og:description": "a small market ($338K/yr) — s21 ultra screen protector doesn't clear our bar today." "og:title": "s21 ultra screen protector — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" --- Back to Flapen home # **s21 ultra screen protector** **Skip it****45/100 ** a small market ($338K/yr) — s21 ultra screen protector doesn't clear our bar today. **Market/yr** **$338K** **Growth (1y)** **+43.5%** **Products** **20** **Brands** **18** was 18 a year ago **Sellers** **24** **Price range** **$7.12–$25.92** **Returns** **2.0%** **Rating** **4.0★** **Skip it** Scored 45/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **17** ×0.30 Growth **48** ×0.30 Competition **41** ×0.20 Quality gap **86** ×0.10 Returns **84** ×0.10 ## **Demand** Weekly Amazon search volume, last 101 weeks — +43.5% year over year. 14K7KPrime Day '25Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jul, Aug · busiest ÷ quietest = 1.9× ## **Competition** - Samcorn30% - LK16% - WILLONE7% - MAGIC JOHN6% - QoeCycth5% - Supershieldz5% - Other (12 brands)32% The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them. 18 brands and 24 sellers compete here. **Brands** **18 **—flat was 18 a year ago **Sellers** **24** **Top 5 brand share** **63%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![3 Pack Galaxy S21 Ultra Screen Protector HD Clear Tempered Glass Fingerprint Unlock 3D Curved Scratch Resistant No Bubble for Samsung Galaxy S21 Ultra 5G Glass Screen Protector](https://m.media-amazon.com/images/I/51iaiR3BKLL.jpg) [**3 Pack Galaxy S21 Ultra Screen Protector HD Clear Tempered Glass Fingerprint Unlock 3D Curved Scratch Resistant No Bubble for Samsung Galaxy S21 Ultra 5G Glass Screen Protector**](https://www.amazon.com/dp/B0GFDM84Q2) Samcorn$10.154.3★8,95030%▲rising 2 ![LK 3 Pack for Samsung Galaxy S21 Ultra Screen Protector [Not Glass] New Version for Support Fingerprint Unlock Bubble Free with Easy Installation Tool 3D Curved Max Coverage for S21 Ultra](https://m.media-amazon.com/images/I/51No11RSsNL.jpg) [**LK 3 Pack for Samsung Galaxy S21 Ultra Screen Protector \[Not Glass\] New Version for Support Fingerprint Unlock Bubble Free with Easy Installation Tool 3D Curved Max Coverage for S21 Ultra**](https://www.amazon.com/dp/B08PYRXVBW) LK$9.474.3★9,69616%▼falling 3 ![WILLONE 2+2 Pack for Samsung Galaxy S21 Ultra 5G Screen Protector (6.80 inches) with Camera Lens Protector Case Friendly Tempered Glass Film Fingerprint Unlock HD Clear](https://m.media-amazon.com/images/I/41rf8OtLAwL.jpg) [**WILLONE 2+2 Pack for Samsung Galaxy S21 Ultra 5G Screen Protector (6.80 inches) with Camera Lens Protector Case Friendly Tempered Glass Film Fingerprint Unlock HD Clear**](https://www.amazon.com/dp/B0GTTSR51Q) WILLONE$10.044.6★30,4427%▲rising 4 ![MAGIC JOHN 2 Pack for Samsung Galaxy S21 Ultra Screen Protector [Ceramic Film Material Not Glass] 6.8 inch [100% Fingerprint ID Compatible] Easy Installation Tray Shock-Resistant 3D Curved Bubble](https://m.media-amazon.com/images/I/51OrGZXXb8L.jpg) [**MAGIC JOHN 2 Pack for Samsung Galaxy S21 Ultra Screen Protector \[Ceramic Film Material Not Glass\] 6.8 inch \[100% Fingerprint ID Compatible\] Easy Installation Tray Shock-Resistant 3D Curved Bubble**](https://www.amazon.com/dp/B0C9CGRP2P) MAGIC JOHN$16.414.0★9606%▼falling 5 ![3 Pack Curved Tempered Glass Screen Protector Applicable for Samsung Galaxy S21 Ultra 5G 6.8inch Support Fingerprint ID Friendly Tempered Glass Screen Protective HD Clear Scratch Resistant Suitable](https://m.media-amazon.com/images/I/41qBLWALcVL.jpg) [**3 Pack Curved Tempered Glass Screen Protector Applicable for Samsung Galaxy S21 Ultra 5G 6.8inch Support Fingerprint ID Friendly Tempered Glass Screen Protective HD Clear Scratch Resistant Suitable**](https://www.amazon.com/dp/B0CLGNJ2TS) QoeCycth$8.043.6★3,1145%—flat 6 ![Supershieldz (2 Pack) Designed for Samsung (Galaxy S21 Ultra 5G) Screen Protector High Definition Clear Shield (TPU)](https://m.media-amazon.com/images/I/41N6MkKPSQL.jpg) [**Supershieldz (2 Pack) Designed for Samsung (Galaxy S21 Ultra 5G) Screen Protector High Definition Clear Shield (TPU)**](https://www.amazon.com/dp/B0CJRYJ8BV) Supershieldz$8.084.4★4555%▼falling 7 ![OtterBox Alpha Flex Flexible Screen Protector for Galaxy S21 Ultra (5G) - Clear](https://m.media-amazon.com/images/I/41VCfbf-vZL.jpg) [**OtterBox Alpha Flex Flexible Screen Protector for Galaxy S21 Ultra (5G) - Clear**](https://www.amazon.com/dp/B08TQQNGQS) OtterBox$7.123.7★3263%▼falling 8 ![TAURI [Designed for Samsung Galaxy S21 Ultra 5G 2 Pack Flexible TPU Screen Protector + Camera Lens Protector Support Fingerprint Unlock Easy Installation Bubble Free]](https://m.media-amazon.com/images/I/51J+vhMFvgL.jpg) [**TAURI \[Designed for Samsung Galaxy S21 Ultra 5G 2 Pack Flexible TPU Screen Protector + Camera Lens Protector Support Fingerprint Unlock Easy Installation Bubble Free\]**](https://www.amazon.com/dp/B08PVK25K3) TAURI$11.904.2★26,2373%▼falling 9 ![3 Pack Screen Protector for Samsung Galaxy S21 Ultra 9H Tempered Glass Ultrasonic Fingerprint Support HD Clear Scratch Resistant](https://m.media-amazon.com/images/I/511OnaG3ctL.jpg) [**3 Pack Screen Protector for Samsung Galaxy S21 Ultra 9H Tempered Glass Ultrasonic Fingerprint Support HD Clear Scratch Resistant**](https://www.amazon.com/dp/B0GDG4QLL4) Arshek$10.433.6★1063%▼falling 10 ![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](https://m.media-amazon.com/images/I/41xdB2NTNKL.jpg) [**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**](https://www.amazon.com/dp/B08S3YNBTC) LYWHL$9.974.2★6,5203%▼falling 11 ![EGV 3 Pack Screen Protector Compatible for Samsung Galaxy S21 Ultra 6.8-inch HD Clear Flexible Film Positioning Tool Support Fingerprint Bubble Free Model No. ZU](https://m.media-amazon.com/images/I/51tDrK2hbsL.jpg) [**EGV 3 Pack Screen Protector Compatible for Samsung Galaxy S21 Ultra 6.8-inch HD Clear Flexible Film Positioning Tool Support Fingerprint Bubble Free Model No. ZU**](https://www.amazon.com/dp/B08PZ73RGK) EGV$10.914.3★35,0903%▼falling 12 ![JZG 2 Pack for Galaxy S21 Ultra Screen Protector [Soft Film] 2 Pack Camera Lens Protector Fingerprint Unlock Curved Edge Coverage Anti-Scratch Easy Installation](https://m.media-amazon.com/images/I/51xPpTJYazL.jpg) [**JZG 2 Pack for Galaxy S21 Ultra Screen Protector \[Soft Film\] 2 Pack Camera Lens Protector Fingerprint Unlock Curved Edge Coverage Anti-Scratch Easy Installation**](https://www.amazon.com/dp/B0GDFWDFLD) JZG$8.974.6★19,3642%▲rising 13 ![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](https://m.media-amazon.com/images/I/413BAUcJcQL.jpg) [**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**](https://www.amazon.com/dp/B0GDV1RNHW) JavoYion$11.234.4★19,5582%▲rising 14 ![[2+2 Pack] Galaxy S21 Ultra Screen Protector and Camera Lens Protector 9H Hardness HD Clear Full Coverage Case Friendly Easy Installation Bubble Free For Samsung Galaxy S21 Ultra -6.8 Inch](https://m.media-amazon.com/images/I/41aMTgBz7GL.jpg) [**\[2+2 Pack\] Galaxy S21 Ultra Screen Protector and Camera Lens Protector 9H Hardness HD Clear Full Coverage Case Friendly Easy Installation Bubble Free For Samsung Galaxy S21 Ultra -6.8 Inch**](https://www.amazon.com/dp/B0GWCX7SDT) SURF CUZ$11.882.6★82%▲rising 15 ![MoShieldwish 3 Pack for Samsung Galaxy S21 Ultra Screen Protector 9H Tempered Glass Full Coverage Case Friendly HD Clear Anti-Scratch Fingerprint Compatible Bubble-Free for S21 Ultra 5G 6.8](https://m.media-amazon.com/images/I/41i1pzHVR7L.jpg) [**MoShieldwish 3 Pack for Samsung Galaxy S21 Ultra Screen Protector 9H Tempered Glass Full Coverage Case Friendly HD Clear Anti-Scratch Fingerprint Compatible Bubble-Free for S21 Ultra 5G 6.8**](https://www.amazon.com/dp/B0GF7ZGCVN) MoShieldwish$9.974.4★6,9252%▲rising **~~Showing 15 of 20 — show all ~~** ## **Product shelf** All 20 tracked products in this niche. Top sellersNewestTrending [![3 Pack Galaxy S21 Ultra Screen Protector HD Clear Tempered Glass Fingerprint Unlock 3D Curved Scratch Resistant No Bubble for Samsung Galaxy S21 Ultra 5G Glass Screen Protector](https://m.media-amazon.com/images/I/51iaiR3BKLL.jpg)**3 Pack Galaxy S21 Ultra Screen Protector HD Clear Tempered Glass Fingerprint Unlock 3D Curved Scratch Resistant No Bubble for Samsung Galaxy S21 Ultra 5G Glass Screen Protector** Samcorn**$10.15**4.3★8,950 reviews](https://www.amazon.com/dp/B0GFDM84Q2) [![LK 3 Pack for Samsung Galaxy S21 Ultra Screen Protector [Not Glass] New Version for Support Fingerprint Unlock Bubble Free with Easy Installation Tool 3D Curved Max Coverage for S21 Ultra](https://m.media-amazon.com/images/I/51No11RSsNL.jpg)**LK 3 Pack for Samsung Galaxy S21 Ultra Screen Protector \[Not Glass\] New Version for Support Fingerprint Unlock Bubble Free with Easy Installation Tool 3D Curved Max Coverage for S21 Ultra** LK**$9.47**4.3★9,696 reviews](https://www.amazon.com/dp/B08PYRXVBW) [![WILLONE 2+2 Pack for Samsung Galaxy S21 Ultra 5G Screen Protector (6.80 inches) with Camera Lens Protector Case Friendly Tempered Glass Film Fingerprint Unlock HD Clear](https://m.media-amazon.com/images/I/41rf8OtLAwL.jpg)**WILLONE 2+2 Pack for Samsung Galaxy S21 Ultra 5G Screen Protector (6.80 inches) with Camera Lens Protector Case Friendly Tempered Glass Film Fingerprint Unlock HD Clear** WILLONE**$10.04**4.6★30,442 reviews](https://www.amazon.com/dp/B0GTTSR51Q) [![MAGIC JOHN 2 Pack for Samsung Galaxy S21 Ultra Screen Protector [Ceramic Film Material Not Glass] 6.8 inch [100% Fingerprint ID Compatible] Easy Installation Tray Shock-Resistant 3D Curved Bubble](https://m.media-amazon.com/images/I/51OrGZXXb8L.jpg)**MAGIC JOHN 2 Pack for Samsung Galaxy S21 Ultra Screen Protector \[Ceramic Film Material Not Glass\] 6.8 inch \[100% Fingerprint ID Compatible\] Easy Installation Tray Shock-Resistant 3D Curved Bubble** MAGIC JOHN**$16.41**4.0★960 reviews](https://www.amazon.com/dp/B0C9CGRP2P) [![3 Pack Curved Tempered Glass Screen Protector Applicable for Samsung Galaxy S21 Ultra 5G 6.8inch Support Fingerprint ID Friendly Tempered Glass Screen Protective HD Clear Scratch Resistant Suitable](https://m.media-amazon.com/images/I/41qBLWALcVL.jpg)**3 Pack Curved Tempered Glass Screen Protector Applicable for Samsung Galaxy S21 Ultra 5G 6.8inch Support Fingerprint ID Friendly Tempered Glass Screen Protective HD Clear Scratch Resistant Suitable** QoeCycth**$8.04**3.6★3,114 reviews](https://www.amazon.com/dp/B0CLGNJ2TS) [![Supershieldz (2 Pack) Designed for Samsung (Galaxy S21 Ultra 5G) Screen Protector High Definition Clear Shield (TPU)](https://m.media-amazon.com/images/I/41N6MkKPSQL.jpg)**Supershieldz (2 Pack) Designed for Samsung (Galaxy S21 Ultra 5G) Screen Protector High Definition Clear Shield (TPU)** Supershieldz**$8.08**4.4★455 reviews](https://www.amazon.com/dp/B0CJRYJ8BV) [![OtterBox Alpha Flex Flexible Screen Protector for Galaxy S21 Ultra (5G) - Clear](https://m.media-amazon.com/images/I/41VCfbf-vZL.jpg)**OtterBox Alpha Flex Flexible Screen Protector for Galaxy S21 Ultra (5G) - Clear** OtterBox**$7.12**3.7★326 reviews](https://www.amazon.com/dp/B08TQQNGQS) [![TAURI [Designed for Samsung Galaxy S21 Ultra 5G 2 Pack Flexible TPU Screen Protector + Camera Lens Protector Support Fingerprint Unlock Easy Installation Bubble Free]](https://m.media-amazon.com/images/I/51J+vhMFvgL.jpg)**TAURI \[Designed for Samsung Galaxy S21 Ultra 5G 2 Pack Flexible TPU Screen Protector + Camera Lens Protector Support Fingerprint Unlock Easy Installation Bubble Free\]** TAURI**$11.90**4.2★26,237 reviews](https://www.amazon.com/dp/B08PVK25K3) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Assembly/Installation**18% *“Easy to put on”* **Drop/Impact Protection**15% *“PROTECTED MY PHONE”* **Ease Of Use**11% *“easy to use”* **Quality-Overall**9% *“Good quality and good fitment easy to clean and no issues with touch”* **Size-Overall**6% *“Fits perfectly”* **Value For Money**5% *“Decent for price”* **Efficiency**5% *“Works great”* **Advertised Vs Actual Product**4% *“Just as described”* **Durability**2% *“Durable”* **Display-Overall**2% *“HOWEVER THIS SCREEN SAVER IS THE EASIEST/SEEMLESS I HAVE EVER USED”* ### **What buyers complain about ** **Quality-Overall**16% *“Not thrilled with the quality since it cracked on install”* **Adhesion/Stickiness**10% *“Didnt stick”* **Functionality-Overall**9% *“Does not work as expected”* **Touch/Button Controls**8% *“Touchscreen would not work”* **Durability**6% *“Easily breakable”* **Assembly/Installation**5% *“Installation is complicated”* **Ease Of Use**5% *“Didn't go on easy”* **Value For Money**4% *“This was a waste of money”* **Thickness**3% *“These protectors are THICK”* **Strength**3% *“is so flimsy”* #### **Top return reasons**- Size-Overall26% - Functionality-Overall16% - Adhesion/Stickiness10% - Compatibility-Overall10% - Advertised Vs Actual Product7% - Touch Screen4% - Defective Material/Parts4% - Quality-Overall3% - Display-Overall2% - Value For Money2%