---
title: "S21 Ultra Screen Protector — £41K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/electronics-photo/s21-ultra-screen-protector"
last_updated: "2026-07-31T15:08:47.535Z"
locale: en
meta:
description: "Niche score 40/100 · £41K/yr market · 57K searches/yr · £6.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · £41K/yr market · 57K searches/yr · £6.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "S21 Ultra Screen Protector — £41K/yr Amazon UK Niche (2026) - Flapen"
---
# **s21 ultra screen protector**
**Skip it**
Prices mostly outside the sweet spot ($3.24–$10.12) — this niche doesn't clear our bar today.
Market size 10Growth 26Conversion 91Competition 17Returns 83Price range 0Avg price 18Brand share 36Review moat 21Quality gap 88
**Conversion**
**Great****11.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+0.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****10,687.15**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£6.53**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£41K**
£41K/yr · 57K searches
**Price range**
**Bad****£3.24–£10.12**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, s21 ultra screen protector is a £41K/yr Amazon United Kingdom market (57K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 40/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **s21 ultra screen protector market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **£39K–£52K**
- units × avg price
- **Conversion rate**
- **11.1%**
- **Avg BSR**
- **#731**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **69%**
- **Out of stock**
- **26.2%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **237 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**12%**
- LK26% - 4youquality22% - JavoYion13% - TECHGEAR12% - TAURI11% - Kuteja5% - Open — no brand owns it (5 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.4% search growth over the last 90 days.
3K2K seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/electronics-photo/s21-ultra-screen-protector/trend)
## **Top s21 ultra screen protector search terms**
- **s21 ultra screen protector**27K/yr-0.1%10.6% conv. - **samsung s21 ultra screen protector**18K/yr-3.9%9.8% conv. - **samsung galaxy s21 ultra screen protector**6K/yr+16.5%9.2% conv. - **galaxy s21 ultra screen protector**3K/yr-8.4%12.6% conv. - **screen protector s21 ultra**2K/yr+19.5%11.4% conv. [**All search terms **](https://flapen.com/research/uk/electronics-photo/s21-ultra-screen-protector/search-terms)
## **Top s21 ultra 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.
0%10%£4K20%£8K30%£12K40%£16K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**LK 3 Pack for Samsung Galaxy S21 Ultra Screen Protector In-Display Fingerprint Support HD Clear Flexible TPU Film with Positioning Tool Case Friendly Bubble Free**LK**£8.81**4.2★7,233 rev](https://www.amazon.co.uk/dp/B08PYRXVBW) [2![4youquality Tempered Glass Screen Protector for Samsung Galaxy S21 Ultra 2-Pack [LifetimeSupport][Impact-Resistant][Anti-Shatter][Anti-Scratch]](https://m.media-amazon.com/images/I/51q4xkDpk9L.jpg)**4youquality Tempered Glass Screen Protector for Samsung Galaxy S21 Ultra 2-Pack \[LifetimeSupport\]\[Impact-Resistant\]\[Anti-Shatter\]\[Anti-Scratch\]**4youquality**£3.37**3.9★459 rev](https://www.amazon.co.uk/dp/B0CGF1NB26) [3![TAURI 2+2 Pack Screen Protector Designed for Samsung Galaxy S21 Ultra [Full Protection] 2 PCS Soft TPU Film + 2 PCS Camera Lens Protector 100% Fingerprint Unlock Bubble Free - 6.8 inch](https://m.media-amazon.com/images/I/51oaFSdqpFL.jpg)**TAURI 2+2 Pack Screen Protector Designed for Samsung Galaxy S21 Ultra \[Full Protection\] 2 PCS Soft TPU Film + 2 PCS Camera Lens Protector 100% Fingerprint Unlock Bubble Free - 6.8 inch**TAURI**£8.28**4.1★44,529 rev](https://www.amazon.co.uk/dp/B08PVK25K3) [4**2+2 Pack for S21 Ultra Screen Protector Tempered Glass + Camera Lens Protector Fingerprint Touch ID Compatible Bubble-Free Installation HD Clear Scratch Resistant for Galaxy S21 Ultra 6.8 In**JavoYion**£7.58**4.3★11,976 rev](https://www.amazon.co.uk/dp/B0GF7R62PR) [5![TECHGEAR [2 Pack Screen Protector fits Samsung Galaxy S21 Ultra [Screen Angel Edition] [In-Display Fingerprint Support][Case Friendly] [Bubble Free] [FULL Screen Coverage] HD Clear Flexible TPU Film](https://m.media-amazon.com/images/I/51xGwr4TilL.jpg)**TECHGEAR \[2 Pack Screen Protector fits Samsung Galaxy S21 Ultra \[Screen Angel Edition\] \[In-Display Fingerprint Support\]\[Case Friendly\] \[Bubble Free\] \[FULL Screen Coverage\] HD Clear Flexible TPU Film**TECHGEAR**£3.24**3.6★335 rev](https://www.amazon.co.uk/dp/B08R1ZJHW1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[![Kuteja for Samsung Galaxy S21 Ultra Privacy Screen Protector [Fingerprint Unlock] Full Coverage Galaxy S21 Ultra Anti-Spy TPU Screen Protector Film High Sensitivity Case-Friendly 2-Pack](https://m.media-amazon.com/images/I/41vt6RCFKDL.jpg)**Kuteja for Samsung Galaxy S21 Ultra Privacy Screen Protector \[Fingerprint Unlock\] Full Coverage Galaxy S21 Ultra Anti-Spy TPU Screen Protector Film High Sensitivity Case-Friendly 2-Pack**Kuteja**£10.12**3 rev3mo ago](https://www.amazon.co.uk/dp/B0GSYYJ98H) [**Beukei Screen Protector for Samsung Galaxy S21 Ultra (2 Pack) glass Film Anti-Shatter Scratch Resistant NO-Bubble 9H Hardness screen protector full coverage Film**Beukei**£8.58**6,089 rev6mo ago](https://www.amazon.co.uk/dp/B0GHQFFL4D) [**skoxno (2 Pack) Screen Protector for Samsung Galaxy S21 Ultra 3D Curved Full Coverage Bubble Free Anti-Scratch HD Clear Shield Film**skoxno**£4.96**1 rev6mo ago](https://www.amazon.co.uk/dp/B0GFC85Q4Q) [**2+2 Pack for S21 Ultra Screen Protector Tempered Glass + Camera Lens Protector Fingerprint Touch ID Compatible Bubble-Free Installation HD Clear Scratch Resistant for Galaxy S21 Ultra 6.8 In**JavoYion**£7.58**11,976 rev7mo ago](https://www.amazon.co.uk/dp/B0GF7R62PR) [**JavoYion 2+2 Pack for Samsung Galaxy S21 Ultra Screen Protector and Camera Protectors Positioner Fingerprint Support Anti-Scratch Case Friendly Screen Protector for Galaxy S21 Ultra 5G**JavoYion**£7.44**18,158 rev7mo ago](https://www.amazon.co.uk/dp/B0GF6MG96W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![WILLONE Tempered Glass For Samsung Galaxy S21 Ultra 5G Screen Protector 2 Pack [6.80 Inch]+ Transparent HD Camera Lens Protector 2 Pack Fingerprint Unlock Compatible 9H Hardness HD Clear](https://m.media-amazon.com/images/I/51JZUBPnvzL.jpg)**WILLONE Tempered Glass For Samsung Galaxy S21 Ultra 5G Screen Protector 2 Pack \[6.80 Inch\]+ Transparent HD Camera Lens Protector 2 Pack Fingerprint Unlock Compatible 9H Hardness HD Clear**WILLONE**£8.02**4.4★**▲ 272%**](https://www.amazon.co.uk/dp/B0GZG5SYNG) [**skoxno (2 Pack) Screen Protector for Samsung Galaxy S21 Ultra 3D Curved Full Coverage Bubble Free Anti-Scratch HD Clear Shield Film**skoxno**£4.96**3.0★**▲ 272%**](https://www.amazon.co.uk/dp/B0GFC85Q4Q) [![Kuteja for Samsung Galaxy S21 Ultra Privacy Screen Protector [Fingerprint Unlock] Full Coverage Galaxy S21 Ultra Anti-Spy TPU Screen Protector Film High Sensitivity Case-Friendly 2-Pack](https://m.media-amazon.com/images/I/41vt6RCFKDL.jpg)**Kuteja for Samsung Galaxy S21 Ultra Privacy Screen Protector \[Fingerprint Unlock\] Full Coverage Galaxy S21 Ultra Anti-Spy TPU Screen Protector Film High Sensitivity Case-Friendly 2-Pack**Kuteja**£10.12**5.0★**▲ 271%**](https://www.amazon.co.uk/dp/B0GSYYJ98H) [**Beukei Screen Protector for Samsung Galaxy S21 Ultra (2 Pack) glass Film Anti-Shatter Scratch Resistant NO-Bubble 9H Hardness screen protector full coverage Film**Beukei**£8.58**4.3★**▲ 270%**](https://www.amazon.co.uk/dp/B0GHQFFL4D) [**2+2 Pack for S21 Ultra Screen Protector Tempered Glass + Camera Lens Protector Fingerprint Touch ID Compatible Bubble-Free Installation HD Clear Scratch Resistant for Galaxy S21 Ultra 6.8 In**JavoYion**£7.58**4.3★**▲ 179%**](https://www.amazon.co.uk/dp/B0GF7R62PR)
**~~View all trending →~~**
## **What buyers say about s21 ultra screen protector**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Drop/Impact Protection**20%
*“Good screen protector”*
**Quality-Overall**15%
*“Excellent kit and instructions to get the screen on first time with no bubbles”*
**Ease Of Use**14%
*“Easy to use”*
**Value For Money**11%
*“Good price”*
**Size-Overall**10%
*“Perfect fit”*
**Advertised Vs Actual Product**6%
*“Does the job perfectly”*
**Assembly/Installation**5%
*“Really easy to install”*
**Instructions/User Manual/Troubleshooting**3%
*“If you follow the video instructions it fits perfectly”*
**Efficiency**3%
*“Works well”*
**Touch/Button Controls**2%
*“Its easy to apply and offers a smooth, responsive touch experience”*
### **What buyers complain about **
**Quality-Overall**20%
*“Cheap unsuitable product”*
**Durability**14%
*“Doesn't last as long as others used”*
**Functionality-Overall**11%
*“the majority of the time dont work”*
**Size-Overall**8%
*“Glass doesn't fit the screen properly”*
**Compatibility-Overall**7%
*“Not compatible with my Samsung phone”*
**Value For Money**6%
*“very expensive for a rubbish item that doesn't work”*
**Adhesion/Stickiness**4%
*“The adhesive also seems to form a haze on the inside of the protector which you can clean off the apertures before installing”*
**Thickness**4%
*“the thickness makes me to carefully with it”*
**Touch Screen**4%
*“This screen protector will not read your finger print”*
**Ease Of Use**3%
*“telling to to press harder”*
### **Top return reasons **
**Size-Overall**35%
**Functionality-Overall**14%
**Compatibility-Overall**11%
**Adhesion/Stickiness**8%
**Quality-Overall**7%
**Advertised Vs Actual Product**4%
**Value For Money**3%
**Durability**3%
**Touch/Button Controls**3%
**Thin**2%
## **Common questions**
- **Is s21 ultra screen protector profitable to sell on Amazon United Kingdom?**
- The niche generates £41K/yr across 13 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +0.4%. Flapen's verdict: Skip it (40/100).
- **How competitive is the s21 ultra screen protector niche?**
- 11 brands and 15 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in s21 ultra screen protector?**
- Top complaints mined from reviews: Quality-Overall, Durability, Functionality-Overall. The return rate is 1.6%.
- **When does demand for s21 ultra screen protector peak?**
- Demand peaks in Aug–Sep; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the s21 ultra screen protector niche?**
- Listings span £3.24–£10.12; the average listing price is £6.53 (sweet spot $15–$100). The average incumbent carries 10,687 reviews — the moat a new listing must climb.
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