Is samsung a21s phone case profitable to sell on Amazon United Kingdom?

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).

How competitive is the samsung a21s phone case niche?

24 brands and 30 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 53% of demand.

What do buyers complain about in samsung a21s phone case?

Top complaints mined from reviews: Size-Overall, Durability, Color. The return rate is 1.2%.

When does demand for samsung a21s phone case peak?

Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 3.5× the quietest.

What does it cost to enter the samsung a21s phone case niche?

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.

samsung a21s phone case

Skip it

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

Returns

Great1.2%

return rate — above 5% kills the launch gate

Brand share

Great53%

top-5 brand share — no brand owns this niche

Competition

Great37%

top-5 click share — an open shelf

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Good4.0%

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

Review moat

Okay1,522.97

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

samsung a21s phone case market data

Units sold / yr: 4K–5K; avg 0–100/product
Revenue / yr: £27K–£34K; units × avg price
Conversion rate: 4.0%
Avg BSR: #5,807
Page quality: 0%
Prime: 100%
Sponsored: 74%
Out of stock: 10.5%
Avg brand age: 43 months
Avg seller age: 208 days

Competition & brand share

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

Brands

24 falling

Sellers

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.

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

Open Trend

Top samsung a21s phone case search terms

samsung a21s phone case38K/yr -18.9%3.1% conv.
samsung galaxy a21s phone case23K/yr -13.2%3.0% conv.
galaxy a21s phone case15K/yr -15.9%3.6% conv.
a21s phone case13K/yr -18.9%4.2% conv.
samsung galaxy a21s cover10K/yr -42.4%0.8% conv.
samsung galaxy a21s case5K/yr -28.6%3.3% conv.
samsung a21s case5K/yr -25.4%3.6% conv.
samsung a21 phone case4K/yr -11.8%2.9% conv.

All 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.

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

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£5.944.5★1,248 rev

Samsung galaxy A21S Phone Case Folmecket With Screen Protector 360 Degree Rotating Metal Ring Shock Absorption Reinforced Corner TPU (A21S Black) 6.5

Folmeikat£6.774.4★701 rev

TECHGEAR Galaxy A21s Tough Armoured Case - ShockProof Rugged Sturdy Heavy Duty Protective Case Cover Designed for Samsung Galaxy A21s - (Black)

TECHGEAR£3.464.6★217 rev

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£6.844.6★6,656 rev

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£2.734.5★83 rev

Newest

by launch date

Flip Wallet Case For Samsung Galaxy A21s PU Leather Turquoise

CaseGla£8.6914 rev

8mo ago

for Samsung Galaxy A21s Wallet Case Flip Turquoise

CaseGla£8.436 rev

8mo ago

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£5.8779 rev

1y ago

GiiYoon Case Compatible with Samsung Galaxy A21S Silky-Soft Touch Full-Body Protective Phone Silicone Case Shockproof Cover with Microfiber Lining Blue

GiiYoon£7.5014,799 rev

2y ago

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£2.7383 rev

3y ago

What buyers say about samsung a21s phone case

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

What buyers love

Quality-Overall24%

“Good quality”

Size-Overall17%

“Good fit”

Advertised Vs Actual Product13%

“Did as advertised”

Value For Money9%

“Great at the price”

Design-Overall6%

“Quality and Design”

Color5%

“Nice colour”

Drop/Impact Protection4%

“The case that protects the corners of your phone”

Compatibility-Overall4%

“Good fit for Galaxy A21s”

Security3%

“Perfect foe keeping your phone safe”

Storage Capacity3%

“Room for cards and notes”

What buyers complain about

Size-Overall25%

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

Durability25%

“gutted that came off”

Color13%

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

Display Colors13%

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

Material Quality6%

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

Comfort-Overall6%

“not very comfortable to use”

Top return reasons

Size-Overall56%

Magnetic Strength/Adsorption10%

Compatibility-Overall8%

Material Quality5%

Color4%

Functionality-Overall3%

Thin2%

Product Condition2%

Durability2%

Touch Screen2%

Common questions

Is samsung a21s phone case profitable to sell on Amazon United Kingdom?: 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).
How competitive is the samsung a21s phone case niche?: 24 brands and 30 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 53% of demand.
What do buyers complain about in samsung a21s phone case?: Top complaints mined from reviews: Size-Overall, Durability, Color. The return rate is 1.2%.
When does demand for samsung a21s phone case peak?: Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 3.5× the quietest.
What does it cost to enter the samsung a21s phone case niche?: 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.