Skip to content
53

z flip 4 case

Worth a look

Shows no brand lock-in (top 5 brands take 47% of clicks), but soft demand (-25.3% this quarter) keeps it on the watch list.

Market size 26Growth 12Conversion 30Competition 87Returns 42Price range 64Avg price 75Brand share 88Review moat 71Quality gap 79

Brand share

Great47%

top-5 brand share — no brand owns this niche

Competition

Great28%

top-5 click share — an open shelf

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$14.97

avg listing price — sweet spot $15–$100

Review moat

Good664.95

avg incumbent reviews — the moat a new listing must climb

Price range

Good$4.71–$33.45

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

Returns

Okay3.7%

return rate — above 5% kills the launch gate

Conversion

Okay2.4%

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

Market size

Okay$105K

$105K/yr · 297K searches

Growth

Bad-25.3%

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

According to Flapen's Amazon United States niche tracking, z flip 4 case is a $105K/yr Amazon United States market (297K searches/yr). The top 5 brands hold 47% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Worth a look — 53/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

z flip 4 case market data

Units sold / yr
6K–8K
avg 0–100/product
Revenue / yr
$90K–$120K
units × avg price
Conversion rate
2.4%
Avg BSR
#5,414
Page quality
0%
Prime
100%
Sponsored
73%
Out of stock
7.0%
Avg brand age
32 months
Avg seller age
175 days

Competition & brand share

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

38 falling

Sellers

70

Top-5 brand share

47%

Top 20: 89%

Top-5 click share

28%

Top 20: 68%

Open market

49%

  • Samsung17%
  • OtterBox11%
  • LEIAU9%
  • VEGO5%
  • BENTOBEN4%
  • FNDMIL4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -25.3% search growth over the last 90 days.
25K15KSepDecMarJunAugNovMarMay

Peak months: Jul, Aug, Sep · busiest ÷ quietest = 2.2×

Top z flip 4 case search terms

  • galaxy z flip 4 case44K/yr
  • z flip 4 case38K/yr
  • samsung flip 4 case35K/yr
  • flip 4 phone case28K/yr
  • samsung galaxy z flip 4 case22K/yr
  • galaxy flip 4 case22K/yr
  • samsung z flip 4 case20K/yr
  • z flip 4 phone case13K/yr
  • samsung galaxy flip 4 case15K/yr
  • samsung flip 4 phone case7K/yr
All search terms

Top z flip 4 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%2%$2K4%$4K6%$6K8%$8K101001K10K Reviews — right = deep review moat Market 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.

What buyers say about z flip 4 case

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

What buyers love

Size-Overall30%

“The fit is good so that is a plus”

Drop/Impact Protection10%

“protects my phone”

Quality-Overall7%

“Good quality”

Value For Money6%

“Worth The Money”

Color6%

“Loved the color”

Durability4%

“Very durable”

Grip4%

“not slippery”

Strength4%

“It's sturdy”

Ease Of Use3%

“easier to grip”

Advertised Vs Actual Product3%

“Exactly what was needed”

What buyers complain about

Durability15%

“phone broke soon after”

Size-Overall11%

“Band doesnt fit correctly”

Charging5%

“damaged the charging port”

Value For Money5%

“bad deal”

Functionality-Overall5%

“Functionality. Doesn't allow the phone to open completely”

Color4%

“Maby just don't get a light color”

Compatibility-Overall4%

“Doesn't fit the Flip 4 correctly”

Grip4%

“Needs more grip”

Material Quality3%

“The material used for the phone isnt the best and seems to get brittle and break”

Quality-Overall3%

“Not the best”

Top return reasons

Size-Overall41%
Compatibility-Overall5%
Defective Material/Parts5%
Color5%
Advertised Vs Actual Product5%
Functionality-Overall5%
Quality-Overall4%
Drop/Impact Protection4%
Charging3%
Material Quality3%

Common questions

Is z flip 4 case profitable to sell on Amazon United States?
The niche generates $105K/yr across 66 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -25.3%. Flapen's verdict: Worth a look (53/100).
How competitive is the z flip 4 case niche?
38 brands and 70 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 47% of demand.
What do buyers complain about in z flip 4 case?
Top complaints mined from reviews: Durability, Size-Overall, Charging. The return rate is 3.7%.
When does demand for z flip 4 case peak?
Demand peaks in Jul–Aug–Sep; the busiest month runs 2.2× the quietest.
What does it cost to enter the z flip 4 case niche?
Listings span $4.71–$33.45; the average listing price is $14.97 (sweet spot $15–$100). The average incumbent carries 665 reviews — the moat a new listing must climb.