--- title: "Iphone 16 Waterproof Case — $212K/yr Amazon US Niche (2026) - Flapen" canonical_url: "https://flapen.com/research/us/cell-phones-accessories/iphone-16-waterproof-case" last_updated: "2026-08-09T19:52:09.338Z" locale: en meta: description: "Niche score 57/100 · $212K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026." "og:description": "Niche score 57/100 · $212K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026." "og:title": "Iphone 16 Waterproof Case — $212K/yr Amazon US Niche (2026) - Flapen" --- # **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** **Great****53%** top-5 brand share — no brand owns this niche **Quality gap** **Great****4.3★** avg incumbent rating — lower means beatable quality **Competition** **Good****41%** top-5 click share — leaders hold, buyers still browse **Conversion** **Good****4.1%** 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** **Okay****4.1%** return rate — above 5% kills the launch gate **Review moat** **Bad****11,529.13** avg incumbent reviews — the moat a new listing must climb **Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") 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 ~~](https://flapen.com/research/methodology) ## **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 '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun Peak months: Jun, Jul, Aug · busiest ÷ quietest = 1.9× [**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/iphone-16-waterproof-case/trend) ## **Top iphone 16 waterproof case search terms** - **iphone 16 waterproof case**67K/yr+15.5%3.9% conv. - **waterproof iphone 16 case**27K/yr+20.5%2.6% conv. - **iphone 16 case waterproof**28K/yr+1.8%3.9% conv. - **iphone 16 lifeproof case**21K/yr-10.1%3.0% conv. - **waterproof phone case iphone 16**9K/yr+64.2%3.0% conv. - **lifeproof iphone 16 case**15K/yr-22.3%2.0% conv. - **waterproof case for iphone 16**6K/yr-3.3%4.4% conv. - **waterproof case iphone 16**5K/yr+21.1%4.0% conv. - **water proof iphone 16 case**5K/yr+37.3%3.6% conv. - **lifeproof case iphone 16**7K/yr-7.1%1.9% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/iphone-16-waterproof-case/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 moatMarket 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. ### **Top sellers** by 90-day click share [1![SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 [Built-in Camera & Screen Protector] Black/Clear](https://m.media-amazon.com/images/I/51Yctt79wOL.jpg)**SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 \[Built-in Camera & Screen Protector\] Black/Clear**SPIDERCASE**$21.93**4.3★9,204 rev](https://www.amazon.com/dp/B0FDX481M2) [2![Lanhiem Magnetic for iPhone 16 Case IP68 Waterproof Dustproof Case [Compatible with Magsafe] [Built-in Screen Protector] Full Body Heavy Duty Rugged Phone Cover 6.1 inch Black/Clear](https://m.media-amazon.com/images/I/41AHtpJ+UlL.jpg)**Lanhiem Magnetic for iPhone 16 Case IP68 Waterproof Dustproof Case \[Compatible with Magsafe\] \[Built-in Screen Protector\] Full Body Heavy Duty Rugged Phone Cover 6.1 inch Black/Clear**Lanhiem**$21.34**4.2★2,739 rev](https://www.amazon.com/dp/B0DJNKW6JF) [3![Comboproof for iPhone 16 Case Waterproof [Shockproof] [Dustproof] [IP68 Waterproof] Full-Body Hard Case Built-in [Lens Screen Protection] for Diving Case (Black for iPhone 16 6.1in)](https://m.media-amazon.com/images/I/414skc5LJdL.jpg)**Comboproof for iPhone 16 Case Waterproof \[Shockproof\] \[Dustproof\] \[IP68 Waterproof\] Full-Body Hard Case Built-in \[Lens Screen Protection\] for Diving Case (Black for iPhone 16 6.1in)**Comboproof**$19.41**4.3★279 rev](https://www.amazon.com/dp/B0DJSBNWQ7) [4![OtterBox iPhone 16 FR Series Waterproof Case with MagSafe (Designed by LifeProof) - Black - Waterproof iPhone Case up to 2 Meters IP68 Phone Case for Swimming/Snorkeling](https://m.media-amazon.com/images/I/21jAdGGrvzL.jpg)**OtterBox iPhone 16 FR Series Waterproof Case with MagSafe (Designed by LifeProof) - Black - Waterproof iPhone Case up to 2 Meters IP68 Phone Case for Swimming/Snorkeling**OtterBox**$71.71**4.1★1,165 rev](https://www.amazon.com/dp/B0DSLZQ9C3) [5![Miracase for iPhone 16 Case 6.1 Full-Body Bumper Phone case with Built-in Full Glass Screen &Camera Control No Gap Compatible with MagSafe Drop Proof 16 Cover Black](https://m.media-amazon.com/images/I/41BxYCJKMCL.jpg)**Miracase for iPhone 16 Case 6.1 Full-Body Bumper Phone case with Built-in Full Glass Screen &Camera Control No Gap Compatible with MagSafe Drop Proof 16 Cover Black**Miracase**$17.41**4.3★109,110 rev](https://www.amazon.com/dp/B0DCBZ3D8F) **~~View all top sellers →~~** ### **Newest** by launch date [![Red2Fire Magnetic for iPhone 16 Case Waterproof [Built-in Screen Protector][Compatible with MagSafe] [Full Body Shockproof] [Dustproof] Heavy Duty Rugged Phone Cover 6.1 Black](https://m.media-amazon.com/images/I/41pu6W5qi5L.jpg)**Red2Fire Magnetic for iPhone 16 Case Waterproof \[Built-in Screen Protector\]\[Compatible with MagSafe\] \[Full Body Shockproof\] \[Dustproof\] Heavy Duty Rugged Phone Cover 6.1 Black**Red2Fire**$39.17**374 rev10mo ago](https://www.amazon.com/dp/B0FM86Q7CM) [![SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 [Built-in Camera & Screen Protector] Black/Clear](https://m.media-amazon.com/images/I/51Yctt79wOL.jpg)**SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 \[Built-in Camera & Screen Protector\] Black/Clear**SPIDERCASE**$21.93**9,204 rev12mo ago](https://www.amazon.com/dp/B0FDX481M2) [![2025 New Designed for iPhone 16 Case Waterproof [Built-in Screen Protector & Glass Camera Protector][Full Body Shockproof][IP68 Underwater][Dustproof][Dropproof] Phone Case for iPhone 16 6.1](https://m.media-amazon.com/images/I/51O1TJQ40eL.jpg)**2025 New Designed for iPhone 16 Case Waterproof \[Built-in Screen Protector & Glass Camera Protector\]\[Full Body Shockproof\]\[IP68 Underwater\]\[Dustproof\]\[Dropproof\] Phone Case for iPhone 16 6.1**Red2Fire**$38.82**4,432 rev1y ago](https://www.amazon.com/dp/B0FD9FGBSM) [![SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 [Built-in Camera & Screen Protector] Purple](https://m.media-amazon.com/images/I/51WyuYdjvLL.jpg)**SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 \[Built-in Camera & Screen Protector\] Purple**SPIDERCASE**$21.67**9,204 rev1y ago](https://www.amazon.com/dp/B0FDX3HXC7) [![SPORTLINK for iPhone 16 Waterproof Case - Shockproof Dustproof Case with Built-in Clear Screen Protector Full Body Heavy Duty Sealed Protective Cover for i Phone 16 6.1 Frosted Clear](https://m.media-amazon.com/images/I/41ciKe3tTIL.jpg)**SPORTLINK for iPhone 16 Waterproof Case - Shockproof Dustproof Case with Built-in Clear Screen Protector Full Body Heavy Duty Sealed Protective Cover for i Phone 16 6.1 Frosted Clear**SPORTLINK**$29.19**12,028 rev1y ago](https://www.amazon.com/dp/B0F5PZ85YR) **~~View all new products →~~** ### **Trending** 90-day click momentum [![Haireca for iPhone 16 Waterproof Case with Magsafe Built-in [Camera & Screen Protector] [Lanyard] IP68 Water Proof Full Body Dustproof Heavy Duty Frosted Protective Phone Cover 6.1 Teal](https://m.media-amazon.com/images/I/41sURGPWMyL.jpg)**Haireca for iPhone 16 Waterproof Case with Magsafe Built-in \[Camera & Screen Protector\] \[Lanyard\] IP68 Water Proof Full Body Dustproof Heavy Duty Frosted Protective Phone Cover 6.1 Teal**Haireca**$23.95**4.0★**▲ 292%**](https://www.amazon.com/dp/B0FLD65PMJ) [![SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 [Built-in Camera & Screen Protector] Purple](https://m.media-amazon.com/images/I/51WyuYdjvLL.jpg)**SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 \[Built-in Camera & Screen Protector\] Purple**SPIDERCASE**$21.67**4.3★**▲ 200%**](https://www.amazon.com/dp/B0FDX3HXC7) [![WIFORT for iPhone 16 Waterproof Case [IP68 Underwater] [Blue Light Filter Lens] [15FT Military Shockproof] Fit for Magsafe Full Body Magnetic Frosted Phone Case with Lanyard 6.1 Purple](https://m.media-amazon.com/images/I/41exCYU5zCL.jpg)**WIFORT for iPhone 16 Waterproof Case \[IP68 Underwater\] \[Blue Light Filter Lens\] \[15FT Military Shockproof\] Fit for Magsafe Full Body Magnetic Frosted Phone Case with Lanyard 6.1 Purple**WIFORT**$26.31**4.2★**▲ 111%**](https://www.amazon.com/dp/B0DKNN22KT) [![Lanenas for iPhone 16 Case Waterproof Case with Built-in Screen Protector Full Body Dustproof Shockproof Heavy Duty Tough Rugged Phone Protective Cover for iPhone 16 6.1inch Black](https://m.media-amazon.com/images/I/51z1rl+uduL.jpg)**Lanenas for iPhone 16 Case Waterproof Case with Built-in Screen Protector Full Body Dustproof Shockproof Heavy Duty Tough Rugged Phone Protective Cover for iPhone 16 6.1inch Black**Lanenas**$14.71**4.4★**▲ 100%**](https://www.amazon.com/dp/B0DSVZ82GV) [![SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 [Built-in Camera & Screen Protector] Black/Clear](https://m.media-amazon.com/images/I/51Yctt79wOL.jpg)**SPIDERCASE for iPhone 16 Case with Lanyard 12FT Military Heavy Duty Rugged IP68 Underwater Full Body Sealed Protection Phone Case 6.1 \[Built-in Camera & Screen Protector\] Black/Clear**SPIDERCASE**$21.93**4.3★**▲ 95%**](https://www.amazon.com/dp/B0FDX481M2) **~~View all trending →~~** ## **What buyers say about iphone 16 waterproof case** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Water Resistance**19% *“And waterproof”* **Quality-Overall**13% *“Its a good quality case”* **Advertised Vs Actual Product**9% *“As advertised”* **Size-Overall**8% *“Fits perfectly”* **Value For Money**8% *“Great value for the money”* **Ease Of Use**7% *“easy to hold on too”* **Efficiency**5% *“the pouch is working great”* **Drop/Impact Protection**5% *“Protected my phone”* **Durability**4% *“Very durable”* **Strength**3% *“Really solid case”* ### **What buyers complain about ** **Size-Overall**13% *“Does not fit”* **Quality-Overall**9% *“very cheap quality”* **Water Resistance**9% *“Doesnt work under water”* **Durability**8% *“Not durable”* **Ease Of Use**8% *“it is a little hard to get open”* **Touch/Button Controls**7% *“my touch screen does not work well”* **Compatibility-Overall**3% *“they were not compatible with the case”* **Image/Picture Clarity**3% *“The picture quality is horrible”* **Functionality-Overall**2% *“Doesn't work”* **Charging**2% *“would not charge until I let it dry out in rice”* ### **Top return reasons ** **Size-Overall**55% **Value For Money**7% **Compatibility-Overall**7% **Advertised Vs Actual Product**5% **Functionality-Overall**3% **Touch Screen**3% **Water Resistance**2% **Ease Of Use**2% **Quality-Overall**2% **Color**2% ## **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.
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