---
title: "Iphone 11 Pro Waterproof Case — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-waterproof-case"
last_updated: "2026-08-09T18:39:05.292Z"
locale: en
meta:
description: "Niche score 37/100 · $21K/yr market · 13K searches/yr · $23.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $21K/yr market · 13K searches/yr · $23.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Iphone 11 Pro Waterproof Case — $21K/yr Amazon US Niche (2026) - Flapen"
---
# **iphone 11 pro waterproof case**
**Skip it**
A small market ($21K/yr) — this niche doesn't clear our bar today.
Market size 5Growth 20Conversion 73Competition 30Returns 22Price range 85Avg price 95Brand share 16Review moat 27Quality gap 78
**Avg price**
**Incredible****$23.95**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.02–$48.61**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.7%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,793.4**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****5.9%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-10.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$21K**
$21K/yr · 13K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, iphone 11 pro waterproof case is a $21K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 37/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **iphone 11 pro waterproof case market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$12K–$18K**
- units × avg price
- **Conversion rate**
- **6.7%**
- **Avg BSR**
- **#15,373**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **60%**
- **Out of stock**
- **11.9%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**6%**
- SPORTLINK39% - LifeProof28% - Lanhiem16% - Dexnor4% - WIFORT3% - Mitywah3% - Open — no brand owns it (3 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 100 weeks — -10.1% search growth over the last 90 days.
1K600Prime Day '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jul, Aug · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-waterproof-case/trend)
## **Top iphone 11 pro waterproof case search terms**
- **iphone 11 pro waterproof case**4K/yr-10.0%5.1% conv. - **iphone 11 pro case waterproof**3K/yr+7.9%4.2% conv. - **iphone 11 pro lifeproof case**2K/yr-30.6%6.7% conv. - **waterproof iphone 11 pro case**2K/yr+11.6%1.7% conv. - **iphone 11 pro case lifeproof**726/yr-18.4%3.6% conv. - **lifeproof iphone 11 pro case**628/yr+1.1%8.8% conv. - **lifeproof iphone 11 pro**591/yr-26.1%4.9% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-waterproof-case/search-terms)
## **Top iphone 11 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.
0%10%$2K20%$4K30%$6K40%$8K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SPORTLINK for iPhone 11 Pro Waterproof Case Full Body Underwater/Rugged/Heavy Duty Shockproof Case with Built-in Screen Protector for iPhone 11 Pro 5.8 Inch (Black)**SPORTLINK**$20.64**4.3★2,319 rev](https://www.amazon.com/dp/B0B3RGS62H) [2**LifeProof FRE Series Waterproof Case for iPhone 11 PRO (ONLY) Non-Retail Packaging - Black**LifeProof**$48.61**4.3★74 rev](https://www.amazon.com/dp/B0BCKZ6QBP) [3**LifeProof FRE SERIES Waterproof Case for iPhone 11 Pro - ATOMIC #16 (EMPIRE YELLOW/SULPHUR)**LifeProof**$31.56**4.1★1,768 rev](https://www.amazon.com/dp/B07Y2PRTWN) [4**Lanhiem for iPhone 11 Pro Case IP68 Waterproof Dustproof Case with Built-in Screen Protector Heavy Duty Full Body Protective Clear Back Phone Cover for iPhone 11 Pro (Black)**Lanhiem**$19.79**4.2★3,207 rev](https://www.amazon.com/dp/B07Y6187CJ) [5**SPORTLINK Waterproof Case for iPhone 11 Pro Full Body Heavy Duty Protection Full Sealed Cover Shockproof Dustproof Built-in Clear Screen Protector Rugged Case for iPhone 11 Pro 5.8 Inch**SPORTLINK**$15.28**4.4★289 rev](https://www.amazon.com/dp/B07YFVV7ZM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CENHUFO Privacy for iPhone 11 Pro Case Full Body Phone Case with Built-in 9H Tempered Glass Privacy Screen Protector and Camera Lens Protector Anti Peep Spy Shockproof Bumper Clear Cover - Black**CENHUFO**$17.87**13,384 rev2y ago](https://www.amazon.com/dp/B0D8CV37VG) [**LifeProof FRE Series Waterproof Case for iPhone 11 PRO (ONLY) Non-Retail Packaging - Black**LifeProof**$48.61**74 rev3y ago](https://www.amazon.com/dp/B0BCKZ6QBP) [**SPORTLINK for iPhone 11 Pro Waterproof Case Full Body Underwater/Rugged/Heavy Duty Shockproof Case with Built-in Screen Protector for iPhone 11 Pro 5.8 Inch (Black)**SPORTLINK**$20.64**2,319 rev4y ago](https://www.amazon.com/dp/B0B3RGS62H) [**LifeProof Next Screenless Series Case for iPhone 11 PRO (NOT 11/11 Pro Max) Non-Retail Packaging - Limousine**LifeProof**$10.02**53 rev4y ago](https://www.amazon.com/dp/B0B3Q3MT6K) [**LifeProof FR Series Waterproof Case for iPhone 11 Pro (Only) - with Cleaning Cloth - Retail Packaging - Chalk It Up**LifeProof**$38.73**45 rev4y ago](https://www.amazon.com/dp/B0B3H2V1PK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![WIFORT for iPhone 11 Pro Waterproof Case - [Certified Water Proof & Military Protection] with [Built-in Screen Protector] Full Body Shockproof Phone Case Cover for iPhone 11 Pro 5.8 - Teal](https://m.media-amazon.com/images/I/511uaP0HDRL.jpg)**WIFORT for iPhone 11 Pro Waterproof Case - \[Certified Water Proof & Military Protection\] with \[Built-in Screen Protector\] Full Body Shockproof Phone Case Cover for iPhone 11 Pro 5.8 - Teal**WIFORT**$19.87**4.2★**▲ 302%**](https://www.amazon.com/dp/B09WRHFL6V) [**SPORTLINK Waterproof Case for iPhone 11 Pro Full Body Heavy Duty Protection Full Sealed Cover Shockproof Dustproof Built-in Clear Screen Protector Rugged Case for iPhone 11 Pro 5.8 Inch**SPORTLINK**$15.28**4.4★**▲ 201%**](https://www.amazon.com/dp/B07YFVV7ZM) [**CENHUFO Privacy for iPhone 11 Pro Case Full Body Phone Case with Built-in 9H Tempered Glass Privacy Screen Protector and Camera Lens Protector Anti Peep Spy Shockproof Bumper Clear Cover - Black**CENHUFO**$17.87**4.3★**▲ 186%**](https://www.amazon.com/dp/B0D8CV37VG) [**i-Blason Ares Series for iPhone 11 Pro 5.8 Inch (2019 Release) Rugged Clear Bumper Case with Built-in Screen Protector (Green)**i-Blason**$15.04**4.5★**▲ 117%**](https://www.amazon.com/dp/B07XL61LSW) [**Lanhiem for iPhone 11 Pro Waterproof Case 360 Full Body Protection Underwater Dirtproof Shockproof Clear Cover with Built-in Screen Protector for iPhone 11 Pro 5.8 Inch (Blue)**Lanhiem**$19.28**4.2★**▲ 76%**](https://www.amazon.com/dp/B083DDFHGV)
**~~View all trending →~~**
## **What buyers say about iphone 11 pro waterproof case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Durability**22%
*“only started breaking within the last year of those 7 years is amazing”*
**Water Resistance**17%
*“It seems like it would provide excellent water protection”*
**Strength**17%
*“seems sturdy enough”*
**Size-Overall**11%
*“Fits just right”*
**Value For Money**11%
*“Great case and affordable”*
**Ease Of Cleaning**6%
*“Clean look and durable”*
**Quality-Overall**6%
*“No damage”*
**Grip**6%
*“Easy to grip”*
**Assembly/Installation**6%
*“easy installation as well as protecting the whole body of the phone love love love”*
### **What buyers complain about **
**Color**19%
*“I don't like the color”*
**Water Resistance**13%
*“Nice case, just wouldnt trust it to be fully waterproof”*
**Durability**13%
*“Fell apart after a few uses in the water”*
**Defective Material/Parts**13%
*“Case malfunction”*
**Touch/Button Controls**13%
*“Buttons are hard to push”*
**Strength**6%
*“Fragile”*
**Quality-Overall**6%
*“After it eventually arrived I quickly realized how cheap this case actually is”*
**Audio Quality**6%
*“Its simply not made for everyday use because the thick plastic really affects the sound quality on my phone”*
**Assembly/Installation**4%
*“The little camera pieces were not easy to use or install”*
**Size-Overall**4%
*“I did not fit well”*
### **Top return reasons **
**Size-Overall**56%
**Compatibility-Overall**7%
**Water Resistance**5%
**Defective Material/Parts**4%
**Quality-Overall**3%
**Functionality-Overall**3%
**Advertised Vs Actual Product**3%
**Product Condition**3%
**Charging**2%
**Touch/Button Controls**2%
## **Common questions**
- **Is iphone 11 pro waterproof case profitable to sell on Amazon United States?**
- The niche generates $21K/yr across 15 tracked products. 90-day search growth is -10.1%. Flapen's verdict: Skip it (37/100).
- **How competitive is the iphone 11 pro waterproof case niche?**
- 9 brands and 20 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in iphone 11 pro waterproof case?**
- Top complaints mined from reviews: Color, Water Resistance, Durability. The return rate is 5.9% — above our launch gate.
- **When does demand for iphone 11 pro waterproof case peak?**
- Demand peaks in Jul–Aug; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the iphone 11 pro waterproof case niche?**
- Listings span $10.02–$48.61; the average listing price is $23.95 (sweet spot $15–$100). The average incumbent carries 3,793 reviews — the moat a new listing must climb.
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