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iphone 16 waterproof case

Worth a look

Shows a sweet-spot price point ($25.34 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 41Growth 36Conversion 51Competition 73Returns 36Price range 86Avg price 95Brand share 82Review moat 21Quality gap 78

Avg price

Incredible$25.34

avg listing price — sweet spot $15–$100

Price range

Great$8.17–$71.71

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

Brand share

Great53%

top-5 brand share — no brand owns this niche

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Good41%

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

Conversion

Good4.1%

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

Market size

Okay$212K

$212K/yr · 206K searches

Growth

Okay+8.6%

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

Returns

Okay4.1%

return rate — above 5% kills the launch gate

Review moat

Bad11,529.13

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, iphone 16 waterproof case is a $212K/yr Amazon United States market (206K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 57/100.

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

iphone 16 waterproof case market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$152K–$203K
units × avg price
Conversion rate
4.1%
Avg BSR
#2,557
Page quality
0%
Prime
100%
Sponsored
89%
Out of stock
10.9%
Avg brand age
23 months
Avg seller age
157 days

Competition & brand share

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

Brands

28 rising

Sellers

42

Top-5 brand share

53%

Top 20: 95%

Top-5 click share

41%

Top 20: 84%

Open market

41%

  • OtterBox14%
  • SPIDERCASE13%
  • Lanhiem10%
  • Comboproof10%
  • Miracase6%
  • AICase6%

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — +8.6% search growth over the last 90 days.
8K6KSpike '25Black Friday '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 1.9×

Top iphone 16 waterproof case search terms

  • iphone 16 waterproof case67K/yr
  • waterproof iphone 16 case27K/yr
  • iphone 16 case waterproof28K/yr
  • iphone 16 lifeproof case21K/yr
  • waterproof phone case iphone 169K/yr
  • lifeproof iphone 16 case15K/yr
  • waterproof case for iphone 166K/yr
  • waterproof case iphone 165K/yr
  • water proof iphone 16 case5K/yr
  • lifeproof case iphone 167K/yr
All search terms

Top iphone 16 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.

0%3%$6K6%$13K9%$19K12%$25K101001K10K100K1.0M 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 iphone 16 waterproof case

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

What buyers love

Water Resistance19%

“And waterproof”

Quality-Overall13%

“Its a good quality case”

Advertised Vs Actual Product9%

“As advertised”

Size-Overall8%

“Fits perfectly”

Value For Money8%

“Great value for the money”

Ease Of Use7%

“easy to hold on too”

Efficiency5%

“the pouch is working great”

Drop/Impact Protection5%

“Protected my phone”

Durability4%

“Very durable”

Strength3%

“Really solid case”

What buyers complain about

Size-Overall13%

“Does not fit”

Quality-Overall9%

“very cheap quality”

Water Resistance9%

“Doesnt work under water”

Durability8%

“Not durable”

Ease Of Use8%

“it is a little hard to get open”

Touch/Button Controls7%

“my touch screen does not work well”

Compatibility-Overall3%

“they were not compatible with the case”

Image/Picture Clarity3%

“The picture quality is horrible”

Functionality-Overall2%

“Doesn't work”

Charging2%

“would not charge until I let it dry out in rice”

Top return reasons

Size-Overall55%
Value For Money7%
Compatibility-Overall7%
Advertised Vs Actual Product5%
Functionality-Overall3%
Touch Screen3%
Water Resistance2%
Ease Of Use2%
Quality-Overall2%
Color2%

Common questions

Is iphone 16 waterproof case profitable to sell on Amazon United States?
The niche generates $212K/yr across 38 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +8.6%. Flapen's verdict: Worth a look (57/100).
How competitive is the iphone 16 waterproof case niche?
28 brands and 42 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 53% of demand.
What do buyers complain about in iphone 16 waterproof case?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Water Resistance. The return rate is 4.1%.
When does demand for iphone 16 waterproof case peak?
Demand peaks in Jun–Jul–Aug; the busiest month runs 1.9× the quietest.
What does it cost to enter the iphone 16 waterproof case niche?
Listings span $8.17–$71.71; the average listing price is $25.34 (sweet spot $15–$100). The average incumbent carries 11,529 reviews — the moat a new listing must climb.