---
title: "Samsung S21 Fe Case — £71K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/electronics-photo/samsung-s21-fe-case"
last_updated: "2026-07-31T19:30:53.210Z"
locale: en
meta:
description: "Niche score 49/100 · £71K/yr market · 217K searches/yr · £7.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £71K/yr market · 217K searches/yr · £7.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Samsung S21 Fe Case — £71K/yr Amazon UK Niche (2026) - Flapen"
---
# **samsung s21 fe case**
**Skip it**
Prices mostly outside the sweet spot ($3.09–$16.82) — this niche doesn't clear our bar today.
Market size 18Growth 17Conversion 53Competition 82Returns 63Price range 13Avg price 21Brand share 96Review moat 47Quality gap 63
**Brand share**
**Incredible****35%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****33%**
top-5 click share — an open shelf
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****4.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,848.65**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£7.40**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£71K**
£71K/yr · 217K searches
**Growth**
**Bad****-15.2%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£3.09–£16.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, samsung s21 fe case is a £71K/yr Amazon United Kingdom market (217K searches/yr). The top 5 brands hold 35% of demand. Demand peaks in Aug. Verdict: Skip it — 49/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **samsung s21 fe case market data**
- **Units sold / yr**
- **6K–8K**
- avg 0–100/product
- **Revenue / yr**
- **£44K–£59K**
- units × avg price
- **Conversion rate**
- **4.4%**
- **Avg BSR**
- **#2,699**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **7.9%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **195 days**
## **Competition & brand share**
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.
**Brands**
**39 **▼falling
**Sellers**
**50**
**Top-5 brand share**
**35%**
Top 20: 82%
**Top-5 click share**
**33%**
Top 20: 72%
**Open market**
**59%**
- Dizn11% - AIMOYU7% - TECHGEAR6% - LeYi6% - YATWIN6% - Pristine-Tech5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -15.2% search growth over the last 90 days.
9K7K seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/electronics-photo/samsung-s21-fe-case/trend)
## **Top samsung s21 fe case search terms**
- **samsung s21 fe case**57K/yr-21.4%2.9% conv. - **s21 fe phone case**44K/yr-18.5%2.9% conv. - **samsung s21 fe phone case**22K/yr+3.4%1.9% conv. - **samsung galaxy s21 fe case**22K/yr-28.2%2.3% conv. - **galaxy s21 fe 5g case**19K/yr-3.7%2.7% conv. - **s21fe phone case**15K/yr-11.9%2.6% conv. - **samsung s21fe phone case**15K/yr-12.9%2.2% conv. - **s21 fe case**7K/yr-11.2%3.7% conv. - **samsung galaxy s21 fe 5g case**6K/yr+3.3%2.6% conv. - **phone case samsung s21 fe**6K/yr-8.0%1.8% conv. [**All search terms **](https://flapen.com/research/uk/electronics-photo/samsung-s21-fe-case/search-terms)
## **Top samsung s21 fe case 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%3%£2K6%£4K9%£6K12%£8K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1![Dizn for Samsung S21-FE 5G Phone Case: [ ] [Mag-Safe Fit] with Screen Protector Matte Translucent Soft-Touch Skin & Full Body Protection S 21 FE Cover Cell Funda para S21FE Black](https://m.media-amazon.com/images/I/41kfXRm-0nL.jpg)**Dizn for Samsung S21-FE 5G Phone Case: \[ \] \[Mag-Safe Fit\] with Screen Protector Matte Translucent Soft-Touch Skin & Full Body Protection S 21 FE Cover Cell Funda para S21FE Black**Dizn**£7.55**4.6★149 rev](https://www.amazon.co.uk/dp/B0G3B61N7S) [2![AIMOYU for Samsung Galaxy S21 FE 5G Case Flip Wallet Leather Phone Cover with [4 Card Slots] [Kickstand] [RFID Blocking] Magnetic Protective Shockproof Cover for Samsung S21 FE Case - Black](https://m.media-amazon.com/images/I/413yrzzeYbL.jpg)**AIMOYU for Samsung Galaxy S21 FE 5G Case Flip Wallet Leather Phone Cover with \[4 Card Slots\] \[Kickstand\] \[RFID Blocking\] Magnetic Protective Shockproof Cover for Samsung S21 FE Case - Black**AIMOYU**£7.29**4.5★5,386 rev](https://www.amazon.co.uk/dp/B0DLWDJ579) [3**LeYi for Samsung Galaxy S21 FE 5G Case and 2 Tempered Glass Screen Protector and 2 Camera Lens Protector Ring Holder Military Grade Protective Silicone Shockproof Tough Hard Armour Phone Cover Black**LeYi**£6.05**4.5★1,404 rev](https://www.amazon.co.uk/dp/B09RWHLHD3) [4**YATWIN Silicone Case for Samsung Galaxy S21 FE Soft-Touch Shockproof Slim Durable Phone Cover - Dark Green**YATWIN**£5.93**4.5★325 rev](https://www.amazon.co.uk/dp/B09Q8GQH7Q) [5**JETech Slim Fit Case Compatible with Samsung Galaxy S21 FE 5G 6.4-Inch Thin Phone Cover with Shock-Absorption and Carbon Fiber Design (Black)**JETech**£8.81**4.6★3,221 rev](https://www.amazon.co.uk/dp/B09QXB6LLB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[![Pilaru Magnetic for Samsung S21 FE Case [Compatible with MagSafe] 2X Screen Protector | Anti-Yellowing & Fingerprint Shockproof Skin-friendly Slim Fit Translucent Matte for Galaxy S21 FE Black](https://m.media-amazon.com/images/I/413vj4zmFdL.jpg)**Pilaru Magnetic for Samsung S21 FE Case \[Compatible with MagSafe\] 2X Screen Protector | Anti-Yellowing & Fingerprint Shockproof Skin-friendly Slim Fit Translucent Matte for Galaxy S21 FE Black**Pilaru**£7.55**523 rev2mo ago](https://www.amazon.co.uk/dp/B0H1R56SFJ) [![Dizn for Samsung S21-FE 5G Phone Case: [ ] [Mag-Safe Fit] with Screen Protector Matte Translucent Soft-Touch Skin & Full Body Protection S 21 FE Cover Cell Funda para S21FE Black](https://m.media-amazon.com/images/I/41kfXRm-0nL.jpg)**Dizn for Samsung S21-FE 5G Phone Case: \[ \] \[Mag-Safe Fit\] with Screen Protector Matte Translucent Soft-Touch Skin & Full Body Protection S 21 FE Cover Cell Funda para S21FE Black**Dizn**£7.55**149 rev8mo ago](https://www.amazon.co.uk/dp/B0G3B61N7S) [**Pilaru Sliding Card Holder Case for Samsung S21 FE | Hidden Slot Cards | 2 screen protectors | Shockproof & Anti-Slip Protective Wallet Cover | Durable Dual-Layer Design for Galaxy S21 FE Black**Pilaru**£7.53**513 rev9mo ago](https://www.amazon.co.uk/dp/B0FWK6ZJWM) [**Yxnvixn Magnetic Phone Case for Samsung Galaxy S21 FE 5G Case with 2 Tempered Glass Screen Protector Fit for MagSafe Military-Grade Protection Shockproof Translucent Matte Back Slim Shockproof Cover**Yxnvixn**£10.31**27 rev11mo ago](https://www.amazon.co.uk/dp/B0FNWRN4F9) [![for Samsung S21 FE Case with Screen Protector: [Military Grade 20ft. Drop Tested] Slide Camera Cover Ring Shockproof Protective Phone Case for - Samsung Galaxy S21 FE (Black)](https://m.media-amazon.com/images/I/51-2kpuco2L.jpg)**for Samsung S21 FE Case with Screen Protector: \[Military Grade 20ft. Drop Tested\] Slide Camera Cover Ring Shockproof Protective Phone Case for - Samsung Galaxy S21 FE (Black)**Yiakeng**£7.11**800 rev11mo ago](https://www.amazon.co.uk/dp/B0FNM3D41Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![Pilaru Magnetic for Samsung S21 FE Case [Compatible with MagSafe] 2X Screen Protector | Anti-Yellowing & Fingerprint Shockproof Skin-friendly Slim Fit Translucent Matte for Galaxy S21 FE Black](https://m.media-amazon.com/images/I/413vj4zmFdL.jpg)**Pilaru Magnetic for Samsung S21 FE Case \[Compatible with MagSafe\] 2X Screen Protector | Anti-Yellowing & Fingerprint Shockproof Skin-friendly Slim Fit Translucent Matte for Galaxy S21 FE Black**Pilaru**£7.55**4.2★**▲ 361%**](https://www.amazon.co.uk/dp/B0H1R56SFJ) [**HSP Case for Samsung Galaxy S21 FE 5G Matte Shockproof Slim Fit | Soft TPU Silicone Protective Cover with Raised Camera Protection Anti-Fingerprint & Dust Resistant Black**HS Products**£7.91**4.4★**▲ 226%**](https://www.amazon.co.uk/dp/B097YY4329) [![Dizn for Samsung S21-FE 5G Phone Case: [ ] [Mag-Safe Fit] with Screen Protector Matte Translucent Soft-Touch Skin & Full Body Protection S 21 FE Cover Cell Funda para S21FE Black](https://m.media-amazon.com/images/I/41kfXRm-0nL.jpg)**Dizn for Samsung S21-FE 5G Phone Case: \[ \] \[Mag-Safe Fit\] with Screen Protector Matte Translucent Soft-Touch Skin & Full Body Protection S 21 FE Cover Cell Funda para S21FE Black**Dizn**£7.55**4.6★**▲ 167%**](https://www.amazon.co.uk/dp/B0G3B61N7S) [**iCatchy Case Compatible with Samsung Galaxy S21 FE Leather Wallet Book Flip Folio Stand View Card Slots Magnetic Closure Cover Black**iCatchy**£5.79**4.4★**▲ 124%**](https://www.amazon.co.uk/dp/B094NQL5NW) [**kwmobile Case for Samsung Galaxy S21 FE Case - Soft Cover - Shockproof Silicone - Wireless Charging Gray Green**kwmobile**£6.51**4.4★**▲ 113%**](https://www.amazon.co.uk/dp/B09R1QD5FV)
**~~View all trending →~~**
## **What buyers say about samsung s21 fe case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**34%
*“Fit perfectly”*
**Quality-Overall**25%
*“Good quality”*
**Value For Money**13%
*“Good for the price”*
**Strength**6%
*“Fabulous and strong”*
**Drop/Impact Protection**5%
*“Full protection”*
**Advertised Vs Actual Product**4%
*“As Described”*
**Shape/Style**2%
*“Good styling and easy to fit”*
**Magnetic Strength/Adsorption**2%
*“this doesn't interfere with the magnetic grip enough for me to care either”*
**Touch/Button Controls**1%
*“Fits perfectly all the controls work through the case”*
**Grip**1%
*“Great case, freels nice in the hand,magsafe holds nice and strong,the screen protector fits well and the finger print sensor on the phone works no different”*
### **What buyers complain about **
**Size-Overall**38%
*“Case doesn't fit”*
**Magnetic Strength/Adsorption**11%
*“The magnetic catch is weak”*
**Durability**6%
*“I dont know how long this will last”*
**Strength**6%
*“That said, the protector itself seems a bit flimsy, and probably wouldn't protect the screen under direct impact”*
**Compatibility-Overall**5%
*“Is not compatible with s21”*
**Flexibility**5%
*“It is not rigid enough to be used as any kind of stand”*
**Value For Money**5%
*“Miles to big absolute waste of money”*
**Weight Heavy**3%
*“weighty”*
**Advertised Vs Actual Product**3%
*“Screen is not tempered glass as advertised but plastic. This phone case was advertised as having tempered GLASS screens but they weren't glass, they were plastic”*
**Material Quality**3%
*“plastic”*
### **Top return reasons **
**Size-Overall**68%
**Compatibility-Overall**11%
**Quality-Overall**3%
**Charging**3%
**Magnetic Strength/Adsorption**2%
**Color**2%
**Advertised Vs Actual Product**1%
**Functionality-Overall**1%
**Defective Material/Parts**1%
**Touch/Button Controls**1%
## **Common questions**
- **Is samsung s21 fe case profitable to sell on Amazon United Kingdom?**
- The niche generates £71K/yr across 51 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -15.2%. Flapen's verdict: Skip it (49/100).
- **How competitive is the samsung s21 fe case niche?**
- 39 brands and 50 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 35% of demand.
- **What do buyers complain about in samsung s21 fe case?**
- Top complaints mined from reviews: Size-Overall, Magnetic Strength/Adsorption, Durability. The return rate is 2.5%.
- **When does demand for samsung s21 fe case peak?**
- Demand peaks in Aug; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the samsung s21 fe case niche?**
- Listings span £3.09–£16.82; the average listing price is £7.40 (sweet spot $15–$100). The average incumbent carries 1,849 reviews — the moat a new listing must climb.
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