Is iphone 16 pro waterproof case profitable to sell on Amazon United States?

The niche generates $286K/yr across 31 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +27.9%. Flapen's verdict: Worth a look (58/100).

How competitive is the iphone 16 pro waterproof case niche?

21 brands and 39 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 62% of demand.

What do buyers complain about in iphone 16 pro waterproof case?

Top complaints mined from reviews: Size-Overall, Durability, Water Resistance. The return rate is 4.6%.

When does demand for iphone 16 pro waterproof case peak?

Demand peaks in Jul–Aug–Sep–Oct; the busiest month runs 2.7× the quietest.

What does it cost to enter the iphone 16 pro waterproof case niche?

Listings span $8.75–$72.07; the average listing price is $28.88 (sweet spot $15–$100). The average incumbent carries 10,741 reviews — the moat a new listing must climb.

iphone 16 pro waterproof case

Worth a look

Shows a sweet-spot price point ($28.88 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Incredible$28.88

avg listing price — sweet spot $15–$100

Price range

Great$8.75–$72.07

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

Good62%

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

Competition

Good46%

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

Growth

Good+27.9%

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

Market size

Good$286K

$286K/yr · 269K searches

Conversion

Okay3.7%

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

Returns

Okay4.6%

return rate — above 5% kills the launch gate

Review moat

Bad10,740.97

avg incumbent reviews — the moat a new listing must climb

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, iphone 16 pro waterproof case is a $286K/yr Amazon United States market (269K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Jul–Aug–Sep–Oct. Verdict: Worth a look — 58/100.

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

iphone 16 pro waterproof case market data

Units sold / yr: 8K–10K; avg 100–250/product
Revenue / yr: $231K–$289K; units × avg price
Conversion rate: 3.7%
Avg BSR: #1,829
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 3.4%
Avg brand age: 21 months
Avg seller age: 158 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

Top-5 brand share

62%

Top 20: 99%

Top-5 click share

46%

Top 20: 91%

Open market

31%

Lanhiem18%
OtterBox14%
SPIDERCASE13%
AICase10%
SPORTLINK8%
Red2Fire7%

Demand & seasonality

Weekly Amazon search volume, last 88 weeks — +27.9% search growth over the last 90 days.

Peak months: Jul, Aug, Sep, Oct · busiest ÷ quietest = 2.7×

Open Trend

Top iphone 16 pro waterproof case search terms

iphone 16 pro waterproof case74K/yr +37.9%4.0% conv.
waterproof iphone 16 pro case39K/yr +37.1%2.8% conv.
iphone 16 pro case waterproof54K/yr +29.8%2.8% conv.
waterproof phone case iphone 16 pro13K/yr +48.7%2.9% conv.
iphone 16 pro lifeproof case19K/yr +1.4%1.9% conv.
lifeproof iphone 16 pro case20K/yr +9.9%1.9% conv.
iphone16 pro waterproof case4K/yr +43.6%2.4% conv.
waterproof case for iphone 16 pro7K/yr +19.0%3.8% conv.
waterproof case iphone 16 pro7K/yr +18.4%3.0% conv.
iphone 16 pro case lifeproof11K/yr -3.1%1.6% conv.

All search terms

Top iphone 16 pro 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Lanhiem Magnetic for iPhone 16 Pro Case IP68 Waterproof Dustproof Case [Compatible with Magsafe] [Built-in Screen Protector] Full Body Heavy Duty Rugged Phone Cover 6.3 inch Black/Clear

Lanhiem$21.734.2★2,739 rev

SPIDERCASE for iPhone 16 Pro Case Waterproof Built-in Lens & Screen Protector Full Heavy Duty Protection 12FT Military Shockproof Dustproof Anti-Scratched Phone Case Black/Clear

SPIDERCASE$21.544.3★9,204 rev

OtterBox iPhone 16 Pro FR Series Waterproof Case with MagSafe (Designed by LifeProof) - Black - Waterproof iPhone Case up to 2 Meters IP68 Phone Case for Swimming/Snorkeling

OtterBox$68.604.1★1,165 rev

SPORTLINK for iPhone 16 Pro Waterproof Case - Shockproof Dustproof Case with Built-in Clear Screen Protector Full Body Heavy Duty Sealed Protective Cover for i Phone 16 Pro 6.3 Black

SPORTLINK$28.384.3★12,028 rev

AICase Waterproof Case for iPhone 16 Pro(6.3) with MagSafe Clear Water Proof Snowproof Dustproof and Shockproof IP68 Real 360 Full Body Protection Fully Sealed Underwater Cover for iPhone 16 Pro

AICase$19.274.4★260 rev

Newest

by launch date

SPIDERCASE for iPhone 16 Pro Case Waterproof Built-in Lens & Screen Protector Full Heavy Duty Protection 12FT Military Shockproof Dustproof Anti-Scratched Phone Case Black/Clear

SPIDERCASE$21.549,204 rev

5mo ago

HECLETSO for iPhone 16 Pro Case - Compatible with MagSafe - IP68 Waterproof & Dustproof 10FT Military-Grade Drop Proof - Built-in Screen Protector & Full-Body Rugged Cover 6.9 Inch - Blue

HECLETSO$22.9757 rev

7mo ago

Red2Fire Magnetic for iPhone 16 Pro Case Waterproof [Built-in Screen Protector][Compatible with MagSafe] [Full Body Shockproof] [Dustproof] Heavy Duty Rugged Phone Cover 6.3 Black

Red2Fire$39.08374 rev

10mo ago

2025 New Designed for iPhone 16 Pro Case Waterproof [Built-in Screen Protector & Glass Camera Protector][Full Body Shockproof][IP68 Underwater][Dustproof][Dropproof] Phone Case for iPhone 16 Pro 6.3

Red2Fire$38.604,432 rev

1y ago

Lanhiem Magnetic for iPhone 16 Pro Case IP68 Waterproof Dustproof Case [Compatible with Magsafe] [Built-in Screen Protector] Full Body Heavy Duty Rugged Phone Cover 6.3 inch Desert

Lanhiem$28.132,739 rev

1y ago

What buyers say about iphone 16 pro waterproof case

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

What buyers love

Water Resistance21%

“It's waterproof”

Quality-Overall12%

“Its a good quality case”

Advertised Vs Actual Product9%

“As advertised”

Size-Overall7%

“Nice big size”

Ease Of Use7%

“It was easy to operate my phone”

Value For Money7%

“Worth The Money”

Efficiency6%

“Does its job”

Drop/Impact Protection4%

“It completely protected it”

Durability4%

“It is very durable”

Image/Picture Clarity3%

“The pictures where very clear”

What buyers complain about

Size-Overall13%

“Too big”

Durability12%

“Broke Easily”

Water Resistance9%

“Doesnt work under water”

Quality-Overall8%

“Low quality”

Ease Of Use7%

“It hard to press or touch”

Touch/Button Controls4%

“my touch screen does not work well”

Functionality-Overall3%

“not functional”

Image/Picture Clarity3%

“The picture quality is horrible”

Value For Money3%

“half the price”

Compatibility-Overall2%

“Maybe not for android”

Top return reasons

Size-Overall53%

Value For Money7%

Compatibility-Overall7%

Advertised Vs Actual Product4%

Functionality-Overall4%

Water Resistance3%

Touch Screen3%

Ease Of Use3%

Quality-Overall2%

Touch/Button Controls2%

Common questions

Is iphone 16 pro waterproof case profitable to sell on Amazon United States?: The niche generates $286K/yr across 31 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +27.9%. Flapen's verdict: Worth a look (58/100).
How competitive is the iphone 16 pro waterproof case niche?: 21 brands and 39 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in iphone 16 pro waterproof case?: Top complaints mined from reviews: Size-Overall, Durability, Water Resistance. The return rate is 4.6%.
When does demand for iphone 16 pro waterproof case peak?: Demand peaks in Jul–Aug–Sep–Oct; the busiest month runs 2.7× the quietest.
What does it cost to enter the iphone 16 pro waterproof case niche?: Listings span $8.75–$72.07; the average listing price is $28.88 (sweet spot $15–$100). The average incumbent carries 10,741 reviews — the moat a new listing must climb.