Is s25 ultra waterproof case profitable to sell on Amazon United States?

The niche generates $101K/yr across 20 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -23.4%. Flapen's verdict: Skip it (42/100).

How competitive is the s25 ultra waterproof case niche?

14 brands and 36 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 71% of demand.

What do buyers complain about in s25 ultra waterproof case?

Top complaints mined from reviews: Water Resistance, Size-Overall, Functionality-Overall. The return rate is 4.7%.

When does demand for s25 ultra waterproof case peak?

Demand peaks in Jul–Aug; the busiest month runs 2.8× the quietest.

What does it cost to enter the s25 ultra waterproof case niche?

Listings span $13.84–$59.29; the average listing price is $26.70 (sweet spot $15–$100). The average incumbent carries 4,170 reviews — the moat a new listing must climb.

s25 ultra waterproof case

Skip it

Soft demand (-23.4% this quarter) — this niche doesn't clear our bar today.

Avg price

Incredible$26.70

avg listing price — sweet spot $15–$100

Price range

Great$13.84–$59.29

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good71%

top-5 brand share — brands hold most of the demand

Conversion

Okay3.0%

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

Competition

Okay63%

top-5 click share — leaders hold, buyers still browse

Returns

Okay4.7%

return rate — above 5% kills the launch gate

Market size

Okay$101K

$101K/yr · 127K searches

Review moat

Bad4,169.9

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-23.4%

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

According to Flapen's Amazon United States niche tracking, s25 ultra waterproof case is a $101K/yr Amazon United States market (127K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 42/100.

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

s25 ultra waterproof case market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $80K–$107K; units × avg price
Conversion rate: 3.0%
Avg BSR: #5,538
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 9.0%
Avg brand age: 19 months
Avg seller age: 169 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

24%

Temdan28%
Haireca15%
ANTSHARE13%
Ghostek8%
Justcool7%
Cozycase5%

Demand & seasonality

Weekly Amazon search volume, last 62 weeks — -23.4% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 2.8×

Open Trend

Top s25 ultra waterproof case search terms

s25 ultra waterproof case30K/yr -7.3%2.6% conv.
samsung galaxy s25 ultra waterproof case23K/yr -37.0%1.9% conv.
galaxy s25 ultra waterproof case23K/yr -1.3%2.5% conv.
s25 ultra case waterproof14K/yr -30.8%3.0% conv.
samsung s25 ultra waterproof case8K/yr +2.8%3.9% conv.
samsung galaxy s25 ultra case waterproof14K/yr -50.3%2.0% conv.
galaxy s25 ultra case waterproof10K/yr -38.2%3.1% conv.
waterproof s25 ultra case6K/yr -35.0%1.7% conv.

All search terms

Top s25 ultra waterproof 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Temdan Designed for Samsung Galaxy S25 Ultra Case Waterproof Built-in Lens & Screen Protector Military Grade Shockproof Dropproof IP68 Underwater Full Body Phone Case for Galaxy S25 Ultra 6.9-Black

Temdan$20.204.5★34,202 rev

Haireca for Samsung Galaxy S25 Ultra Waterproof Case [Fit for Magsafe] [IP68 Water Proof] [Built-in Screen Protector] Magnetic Heavy Duty Military Grade Rugged Phone Case for S 25 Ultra 6.9 Teal

Haireca$22.664.3★509 rev

ANTSHARE IP68 Waterproof Case for Samsung Galaxy S25 Ultra [2025] - MagSafe Compatible Built-in Screen/Lens Protector - Shockproof Full Body Protection for Swimming/Outdoor Black/Clear

ANTSHARE$21.484.3★10,445 rev

Justcool Designed for Samsung Galaxy S25 Ultra Case Waterproof Built-in [IP68 Underwater] Full Protection Heavy Duty Shockproof Anti-Scratched Phone Case Black

Justcool$13.844.3★16 rev

Cozycase for Samsung Galaxy S25 Ultra Waterproof Case - 360 Heavy Duty Full Body Protection/Shockproof/Dustproof/Double/Front and Back/IP68/S 25 Ultra Protective Case with Screen/Camera Protector Slim

Cozycase$29.654.2★2,159 rev

Newest

by launch date

ANTSHARE IP68 Waterproof Case for Samsung Galaxy S25 Ultra [2025] - MagSafe Compatible Built-in Screen/Lens Protector - Shockproof Full Body Protection for Swimming/Outdoor Black/Clear

ANTSHARE$21.4810,445 rev

3mo ago

ANTSHARE IP68 Waterproof Case for Samsung Galaxy S25 Ultra [2025] - with Kickstand - MagSafe Compatible Built-in Screen/Lens Protector - Shockproof Full Body Protection for Swimming/Outdoor Black

ANTSHARE$28.4310,445 rev

3mo ago

Tecival for Samsung Galaxy S25 Ultra Case Waterproof Built-in Screen & Camera Lens Protector[IP68 Underwater] [Military Grade Shockproof] Full Body Protection Phone Case Black/Clear

Tecival$15.988 rev

3mo ago

WIFORT for Samsung Galaxy S25 Ultra Waterproof Case Magnetic [Rugged Stainless Steel] [Fit for MagSafe] [Screen Protector & Lanyard] Heavy Duty Protection Water Proof Metal Phone Cover - 6.9 Black

WIFORT$29.9481 rev

7mo ago

SPIDERCASE Upgraded for Samsung Galaxy S25 Ultra Case Waterproof Built-in Screen & Camera Lens Protector[IP68 Underwater] [Military Grade Shockproof] Full Body Protection Phone Case Black/Clear

SPIDERCASE$17.94324 rev

7mo ago

What buyers say about s25 ultra waterproof case

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

What buyers love

Size-Overall13%

“Fits Perfect”

Quality-Overall13%

“Good quality”

Water Resistance10%

“It is waterproof”

Drop/Impact Protection9%

“Protects phone”

Value For Money9%

“WORTH IT”

Strength5%

“Great strong case”

Advertised Vs Actual Product5%

“Just as advertised”

Ease Of Use5%

“Easy use”

Durability4%

“Durable”

Touch/Button Controls2%

“buttons all still work great”

What buyers complain about

Water Resistance10%

“Horrible, not water proof”

Size-Overall9%

“it did not fit”

Functionality-Overall8%

“It doesn't work”

Quality-Overall7%

“Poor quality”

Touch/Button Controls5%

“the touch doesn't work”

Charging4%

“Does not work with wireless charging”

Audio Quality4%

“Don't expect good sound”

Image/Picture Clarity3%

“Pictures are not clear underwater”

Durability3%

“It lasted only 8 months”

Value For Money2%

“at too much cost of functions”

Top return reasons

Size-Overall37%

Compatibility-Overall9%

Functionality-Overall8%

Advertised Vs Actual Product5%

Value For Money4%

Touch/Button Controls3%

Touch Screen3%

Defective Material/Parts3%

Product Condition3%

Water Resistance2%

Common questions

Is s25 ultra waterproof case profitable to sell on Amazon United States?: The niche generates $101K/yr across 20 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -23.4%. Flapen's verdict: Skip it (42/100).
How competitive is the s25 ultra waterproof case niche?: 14 brands and 36 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 71% of demand.
What do buyers complain about in s25 ultra waterproof case?: Top complaints mined from reviews: Water Resistance, Size-Overall, Functionality-Overall. The return rate is 4.7%.
When does demand for s25 ultra waterproof case peak?: Demand peaks in Jul–Aug; the busiest month runs 2.8× the quietest.
What does it cost to enter the s25 ultra waterproof case niche?: Listings span $13.84–$59.29; the average listing price is $26.70 (sweet spot $15–$100). The average incumbent carries 4,170 reviews — the moat a new listing must climb.

s25 ultra waterproof case

s25 ultra waterproof case market data

Competition & brand share

Demand & seasonality

Top s25 ultra waterproof case search terms

Top s25 ultra waterproof case products on Amazon

Top sellers

Newest

Trending

What buyers say about s25 ultra waterproof case

What buyers love

What buyers complain about

Top return reasons

Common questions

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