---
title: "Samsung A21s Phone Case — £30K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/electronics-photo/samsung-a21s-phone-case"
last_updated: "2026-07-31T17:11:36.161Z"
locale: en
meta:
  description: "Niche score 46/100 · £30K/yr market · 110K searches/yr · £6.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · £30K/yr market · 110K searches/yr · £6.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Samsung A21s Phone Case — £30K/yr Amazon UK Niche (2026) - Flapen"
---

# **samsung a21s phone case**

**Skip it**

Prices mostly outside the sweet spot ($2.72–$11.15) — this niche doesn't clear our bar today.

Market size 7Growth 15Conversion 50Competition 78Returns 91Price range 0Avg price 19Brand share 82Review moat 50Quality gap 52

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****53%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****37%**

top-5 click share — an open shelf

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****4.0%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Okay****1,522.97**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Bad****£6.71**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-19.5%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****£30K**

£30K/yr · 110K searches

**Price range**

**Bad****£2.72–£11.15**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, samsung a21s phone case is a £30K/yr Amazon United Kingdom market (110K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 46/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **samsung a21s phone case market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£27K–£34K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#5,807**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**74%**</dd>

<dt>**Out of stock**</dt><dd>**10.5%**</dd>

<dt>**Avg brand age**</dt><dd>**43 months**</dd>

<dt>**Avg seller age**</dt><dd>**208 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

**Brands**

**24 **▼falling

**Sellers**

**30**

**Top-5 brand share**

**53%**

Top 20: 98%

**Top-5 click share**

**37%**

Top 20: 83%

**Open market**

**41%**

- TECHGEAR25% - Folmeikat8% - LOLFZ7% - CaseGla7% - Yiakeng6% - iCatchy6%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -19.5% search growth over the last 90 days.

13K8KSpike '24Holiday '24Spike '25 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.5×

[**Open Trend **](https://flapen.com/research/uk/electronics-photo/samsung-a21s-phone-case/trend)

## **Top samsung a21s phone case search terms**

- **samsung a21s phone case**38K/yr-18.9%3.1% conv. - **samsung galaxy a21s phone case**23K/yr-13.2%3.0% conv. - **galaxy a21s phone case**15K/yr-15.9%3.6% conv. - **a21s phone case**13K/yr-18.9%4.2% conv. - **samsung galaxy a21s cover**10K/yr-42.4%0.8% conv. - **samsung galaxy a21s case**5K/yr-28.6%3.3% conv. - **samsung a21s case**5K/yr-25.4%3.6% conv. - **samsung a21 phone case**4K/yr-11.8%2.9% conv. [**All search terms **](https://flapen.com/research/uk/electronics-photo/samsung-a21s-phone-case/search-terms)

## **Top samsung a21s phone 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%£8896%£2K9%£3K12%£4K1101001K10K100K 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![TECHGEAR Galaxy A21s Leather Wallet Case Flip Protective Case Cover with Wallet Card Holder Stand and Wrist Strap - Black PU Leather with Magnetic Closure Designed For Samsung Galaxy A21s](https://m.media-amazon.com/images/I/419xS6Y3WDL.jpg)**TECHGEAR Galaxy A21s Leather Wallet Case Flip Protective Case Cover with Wallet Card Holder Stand and Wrist Strap - Black PU Leather with Magnetic Closure Designed For Samsung Galaxy A21s**TECHGEAR**£5.94**4.5★1,248 rev](https://www.amazon.co.uk/dp/B08BK6R9PS) [2![Samsung galaxy A21S Phone Case Folmecket With Screen Protector 360 Degree Rotating Metal Ring Shock Absorption Reinforced Corner TPU (A21S Black) 6.5](https://m.media-amazon.com/images/I/41nqSMD64hL.jpg)**Samsung galaxy A21S Phone Case Folmecket With Screen Protector 360 Degree Rotating Metal Ring Shock Absorption Reinforced Corner TPU (A21S Black) 6.5**Folmeikat**£6.77**4.4★701 rev](https://www.amazon.co.uk/dp/B099ZRFC8Q) [3![TECHGEAR Galaxy A21s Tough Armoured Case - ShockProof Rugged Sturdy Heavy Duty Protective Case Cover Designed for Samsung Galaxy A21s - (Black)](https://m.media-amazon.com/images/I/41XvOH-zZiL.jpg)**TECHGEAR Galaxy A21s Tough Armoured Case - ShockProof Rugged Sturdy Heavy Duty Protective Case Cover Designed for Samsung Galaxy A21s - (Black)**TECHGEAR**£3.46**4.6★217 rev](https://www.amazon.co.uk/dp/B08BKQ44HN) [4![iCatchy For Samsung Galaxy A21s Case Leather Wallet Book Flip Folio Stand View Cover compatible with Samsung Galaxy A21s (6.5) Phone Case (Black)](https://m.media-amazon.com/images/I/414owONcxRL.jpg)**iCatchy For Samsung Galaxy A21s Case Leather Wallet Book Flip Folio Stand View Cover compatible with Samsung Galaxy A21s (6.5) Phone Case (Black)**iCatchy**£6.84**4.6★6,656 rev](https://www.amazon.co.uk/dp/B08C3T3MJ9) [5![Hually Case for Samsung Galaxy A21s (6.5 inch) Galaxy A21s Clear Case With Reinforced Corners Drop Protection Soft TPU + Clear Hard Back Protective Phone Case Cover for Samsung Galaxy A21s](https://m.media-amazon.com/images/I/51KW7iENmDL.jpg)**Hually Case for Samsung Galaxy A21s (6.5 inch) Galaxy A21s Clear Case With Reinforced Corners Drop Protection Soft TPU + Clear Hard Back Protective Phone Case Cover for Samsung Galaxy A21s**Hually**£2.73**4.5★83 rev](https://www.amazon.co.uk/dp/B0BPT15113)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Flip Wallet Case For Samsung Galaxy A21s PU Leather Turquoise](https://m.media-amazon.com/images/I/51-7tJImN6L.jpg)**Flip Wallet Case For Samsung Galaxy A21s PU Leather Turquoise**CaseGla**£8.69**14 rev8mo ago](https://www.amazon.co.uk/dp/B0G3NG5MSL) [![for Samsung Galaxy A21s Wallet Case Flip Turquoise](https://m.media-amazon.com/images/I/51zFBXszqAL.jpg)**for Samsung Galaxy A21s Wallet Case Flip Turquoise**CaseGla**£8.43**6 rev8mo ago](https://www.amazon.co.uk/dp/B0G2LR58SN) [![LSOUGUK Compatible with Samsung Galaxy A21S Case Love Heart Pattern Electroplated Design Soft TPU Shockproof Protective Phone Case Full Camera Lens Protection Cover for Samsung Galaxy A21S-Blue](https://m.media-amazon.com/images/I/41k6ufgw99L.jpg)**LSOUGUK Compatible with Samsung Galaxy A21S Case Love Heart Pattern Electroplated Design Soft TPU Shockproof Protective Phone Case Full Camera Lens Protection Cover for Samsung Galaxy A21S-Blue**LSOUGUK**£5.87**79 rev1y ago](https://www.amazon.co.uk/dp/B0DGLBPXN3) [![GiiYoon Case Compatible with Samsung Galaxy A21S Silky-Soft Touch Full-Body Protective Phone Silicone Case Shockproof Cover with Microfiber Lining Blue](https://m.media-amazon.com/images/I/41dNPlckszL.jpg)**GiiYoon Case Compatible with Samsung Galaxy A21S Silky-Soft Touch Full-Body Protective Phone Silicone Case Shockproof Cover with Microfiber Lining Blue**GiiYoon**£7.50**14,799 rev2y ago](https://www.amazon.co.uk/dp/B0CBKC54QR) [![Hually Case for Samsung Galaxy A21s (6.5 inch) Galaxy A21s Clear Case With Reinforced Corners Drop Protection Soft TPU + Clear Hard Back Protective Phone Case Cover for Samsung Galaxy A21s](https://m.media-amazon.com/images/I/51KW7iENmDL.jpg)**Hually Case for Samsung Galaxy A21s (6.5 inch) Galaxy A21s Clear Case With Reinforced Corners Drop Protection Soft TPU + Clear Hard Back Protective Phone Case Cover for Samsung Galaxy A21s**Hually**£2.73**83 rev3y ago](https://www.amazon.co.uk/dp/B0BPT15113)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Flip Wallet Case For Samsung Galaxy A21s PU Leather Turquoise](https://m.media-amazon.com/images/I/51-7tJImN6L.jpg)**Flip Wallet Case For Samsung Galaxy A21s PU Leather Turquoise**CaseGla**£8.69**4.7★**▲ 157%**](https://www.amazon.co.uk/dp/B0G3NG5MSL) [![LOLFZ Wallet Case for Samsung Galaxy A21S Vintage Leather Book Case with Card Holder Kickstand Magnetic Closure Flip Case Cover for Samsung Galaxy A21S - Black](https://m.media-amazon.com/images/I/41ykrcNqnCL.jpg)**LOLFZ Wallet Case for Samsung Galaxy A21S Vintage Leather Book Case with Card Holder Kickstand Magnetic Closure Flip Case Cover for Samsung Galaxy A21S - Black**LOLFZ**£7.89**4.5★**▲ 104%**](https://www.amazon.co.uk/dp/B08DR97NGS) [![for Samsung Galaxy A21s Wallet Case Flip Turquoise](https://m.media-amazon.com/images/I/51zFBXszqAL.jpg)**for Samsung Galaxy A21s Wallet Case Flip Turquoise**CaseGla**£8.43**4.8★**▲ 91%**](https://www.amazon.co.uk/dp/B0G2LR58SN) [![GiiYoon Case Compatible with Samsung Galaxy A21S Silky-Soft Touch Full-Body Protective Phone Silicone Case Shockproof Cover with Microfiber Lining Blue](https://m.media-amazon.com/images/I/41dNPlckszL.jpg)**GiiYoon Case Compatible with Samsung Galaxy A21S Silky-Soft Touch Full-Body Protective Phone Silicone Case Shockproof Cover with Microfiber Lining Blue**GiiYoon**£7.50**4.2★**▲ 63%**](https://www.amazon.co.uk/dp/B0CBKC54QR) [![TECHGEAR Galaxy A21s Leather Wallet Case Flip Protective Case Cover with Wallet Card Holder Stand and Wrist Strap - Black PU Leather with Magnetic Closure Designed For Samsung Galaxy A21s](https://m.media-amazon.com/images/I/419xS6Y3WDL.jpg)**TECHGEAR Galaxy A21s Leather Wallet Case Flip Protective Case Cover with Wallet Card Holder Stand and Wrist Strap - Black PU Leather with Magnetic Closure Designed For Samsung Galaxy A21s**TECHGEAR**£5.94**4.5★**▲ 47%**](https://www.amazon.co.uk/dp/B08BK6R9PS)

**~~View all trending →~~**

## **What buyers say about samsung a21s phone case**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**24%

*“Good quality”*

**Size-Overall**17%

*“Good fit”*

**Advertised Vs Actual Product**13%

*“Did as advertised”*

**Value For Money**9%

*“Great at the price”*

**Design-Overall**6%

*“Quality and Design”*

**Color**5%

*“Nice colour”*

**Drop/Impact Protection**4%

*“The case that protects the corners of your phone”*

**Compatibility-Overall**4%

*“Good fit for Galaxy A21s”*

**Security**3%

*“Perfect foe keeping your phone safe”*

**Storage Capacity**3%

*“Room for cards and notes”*

### **What buyers complain about **

**Size-Overall**25%

*“The Cover did not fit my phone - I double checked model before ordering obviously”*

**Durability**25%

*“gutted that came off”*

**Color**13%

*“I am a little disappointed because I liked the blue offered on display”*

**Display Colors**13%

*“Only three stars because the colour is absolutely not the one on display here”*

**Material Quality**6%

*“The material must be good because when in utmost rage”*

**Comfort-Overall**6%

*“not very comfortable to use”*

### **Top return reasons **

**Size-Overall**56%

**Magnetic Strength/Adsorption**10%

**Compatibility-Overall**8%

**Material Quality**5%

**Color**4%

**Functionality-Overall**3%

**Thin**2%

**Product Condition**2%

**Durability**2%

**Touch Screen**2%

## **Common questions**

<dl>

<dt>**Is samsung a21s phone case profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £30K/yr across 39 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -19.5%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the samsung a21s phone case niche?**</dt><dd>24 brands and 30 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 53% of demand.</dd>

<dt>**What do buyers complain about in samsung a21s phone case?**</dt><dd>Top complaints mined from reviews: Size-Overall, Durability, Color. The return rate is 1.2%.</dd>

<dt>**When does demand for samsung a21s phone case peak?**</dt><dd>Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 3.5× the quietest.</dd>

<dt>**What does it cost to enter the samsung a21s phone case niche?**</dt><dd>Listings span £2.72–£11.15; the average listing price is £6.71 (sweet spot $15–$100). The average incumbent carries 1,523 reviews — the moat a new listing must climb.</dd>

</dl>

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