---
title: "Acapella Breathing Device — $163K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/acapella-breathing-device"
last_updated: "2026-08-09T03:43:43.465Z"
locale: en
meta:
description: "Niche score 48/100 · $163K/yr market · 84K searches/yr · $37.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $163K/yr market · 84K searches/yr · $37.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Acapella Breathing Device — $163K/yr Amazon US Niche (2026) - Flapen"
---
# **acapella breathing device**
**Skip it**
Soft demand (-6.7% this quarter) — this niche doesn't clear our bar today.
Market size 34Growth 22Conversion 60Competition 34Returns 62Price range 95Avg price 95Brand share 30Review moat 57Quality gap 65
**Avg price**
**Incredible****$37.14**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$17.07–$58.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.3%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,239.13**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$163K**
$163K/yr · 84K searches
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-6.7%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, acapella breathing device is a $163K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 48/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **acapella breathing device market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$186K–$223K**
- units × avg price
- **Conversion rate**
- **5.3%**
- **Avg BSR**
- **#59**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **6.0%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **145 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▲rising
**Sellers**
**18**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**7%**
- AiraVentus46% - Vopacare17% - NebuAksol10% - TyeinGo8% - Giyosk7% - Willnice6% - Open — no brand owns it (2 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -6.7% search growth over the last 90 days.
2K2KSpike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/acapella-breathing-device/trend)
## **Top acapella breathing device search terms**
- **acapella breathing device**41K/yr-19.2%6.3% conv. - **acapella flutter valve**15K/yr+3.6%5.5% conv. - **acapella device**11K/yr+26.0%3.2% conv. - **acapella**9K/yr-4.0%2.7% conv. - **acapella flutter valve mucus removal device**4K/yr+38.3%8.9% conv. - **acapella device for lungs**3K/yr-52.5%5.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/acapella-breathing-device/search-terms)
## **Top acapella breathing device 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%$16K20%$33K30%$49K40%$65K101001K10K 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**Flutter Valve Device for Lungs Breathing Exercise Device Adjustable Resistance Breathing Trainer for Natural Mucus**AiraVentus**$58.84**4.5★239 rev](https://www.amazon.com/dp/B0D1P5CBHJ) [2**Flutter Valve Device for Lungs Breathing Exercise Device Adjustable Resistance Breathing Trainer**AiraVentus**$57.47**4.5★239 rev](https://www.amazon.com/dp/B0FRF9HJ32) [3**Flutter Valve Breathing Exercise Device for Lungs Exerciser Non-Measuring - Breathing Trainer Mucus Removal Device**Vopacare**$52.56**4.6★362 rev](https://www.amazon.com/dp/B0G3QPKW87) [4**Flutter Valve Device for Lungs Breathing Exercise Device Exerciser Non-Measuring - Breathing Trainer Adjustable Resistance Breathing Trainer for Natural Mucus**AiraVentus**$54.81**4.5★239 rev](https://www.amazon.com/dp/B0FT7M3J36) [5**Breathing Device Flutter Valve Device Medical-Grade Material Adjustable Resistance Home Use Airway Device**NebuAksol**$46.47**4.7★285 rev](https://www.amazon.com/dp/B0FBW5PKZ6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Giyosk Breathing Exercise Device for Lungs Mucus Removal Flutter Flutter Valve Mucus Removal Device with A Set of Accessories Breathing Trainer for Lung Cleanse(Blue)**Giyosk**$25.69**1,687 rev4mo ago](https://www.amazon.com/dp/B0GR55V2KH) [**Breathing Exercise Device Non-Measuring Exerciser & Portable Lung Exerciser with Adjustable Resistance Flutter Valve Respiratory Muscle Trainer for Mucus Clearance & Better Breathing**Willnice**$41.73**18 rev7mo ago](https://www.amazon.com/dp/B0G51ZXBSN) [**Flutter Valve Breathing Exercise Device for Lungs Exerciser Non-Measuring - Breathing Trainer Mucus Removal Device**Vopacare**$52.56**362 rev7mo ago](https://www.amazon.com/dp/B0G3QPKW87) [**Flutter Valve Device for Lungs Breathing Exercise Device Exerciser Non-Measuring - Breathing Trainer Adjustable Resistance Breathing Trainer for Natural Mucus**AiraVentus**$54.81**239 rev9mo ago](https://www.amazon.com/dp/B0FT7M3J36) [**Flutter Valve Device for Lungs Breathing Exercise Device Adjustable Resistance Breathing Trainer**AiraVentus**$57.47**239 rev10mo ago](https://www.amazon.com/dp/B0FRF9HJ32)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Giyosk Breathing Exercise Device for Lungs Mucus Removal Flutter Flutter Valve Mucus Removal Device with A Set of Accessories Breathing Trainer for Lung Cleanse(Blue)**Giyosk**$25.69**4.2★**▲ 261%**](https://www.amazon.com/dp/B0GR55V2KH) [**Flutter Valve Device for Lungs Breathing Exercise Device Exerciser Non-Measuring - Breathing Trainer Adjustable Resistance Breathing Trainer for Natural Mucus**AiraVentus**$54.81**4.5★**▲ 252%**](https://www.amazon.com/dp/B0FT7M3J36) [**Flutter Valve Breathing Exercise Device for Lungs Exerciser Non-Measuring - Breathing Trainer Mucus Removal Device**Vopacare**$52.56**4.6★**▲ 252%**](https://www.amazon.com/dp/B0G3QPKW87) [**Breathing Exercise Device Non-Measuring Exerciser & Portable Lung Exerciser with Adjustable Resistance Flutter Valve Respiratory Muscle Trainer for Mucus Clearance & Better Breathing**Willnice**$41.73**3.0★**▲ 244%**](https://www.amazon.com/dp/B0G51ZXBSN) [**Flutter Valve Device for Lungs Breathing Exercise Devicefor Lungs Adjustable Resistance for Natural Mucus Removal Portable Lung Exerciser Device | Breathing Trainer**TyeinGo**$22.76**4.4★**▲ 48%**](https://www.amazon.com/dp/B0BZJLJJ6Z)
**~~View all trending →~~**
## **What buyers say about acapella breathing device**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Breathability**16%
*“It does help breathing”*
**Cough Relief**13%
*“Helped clear up my cough”*
**Quality-Overall**12%
*“Great build quality”*
**Ease Of Use**12%
*“Easy to use”*
**Efficiency**10%
*“Very effective for him”*
**Advertised Vs Actual Product**7%
*“Performs exactly as advertised”*
**Ease Of Cleaning**5%
*“also is easy to take apart for cleaning”*
**Value For Money**3%
*“Best money spent”*
**Instructions/User Manual/Troubleshooting**2%
*“The instructions are easy peasy”*
**Sinus Relief**2%
*“Great for mucus clearance”*
### **What buyers complain about **
**Functionality-Overall**14%
*“Ineffective”*
**Quality-Overall**9%
*“Quality Could Be Better”*
**Breathability**7%
*“have problems breathing”*
**Value For Money**7%
*“Not worth paying for”*
**Instructions/User Manual/Troubleshooting**4%
*“Complicated instructions”*
**Material Quality**4%
*“This thing feels incredibly cheap”*
**Durability**3%
*“Broke”*
**Cough Relief**2%
*“My husband uses the pipe to help clear phlegm from his throat that coughing alone can't clear it”*
**Flammable**2%
*“more flam comes up on off day”*
**Size-Overall**2%
*“Not a good fit for me”*
### **Top return reasons **
**Functionality-Overall**27%
**Breathability**22%
**Advertised Vs Actual Product**11%
**Product Condition**4%
**Ease Of Use**4%
**Value For Money**3%
**Size-Overall**3%
**Comfort-Overall**2%
**Instructions/User Manual/Troubleshooting**2%
**Quality-Overall**2%
## **Common questions**
- **Is acapella breathing device profitable to sell on Amazon United States?**
- The niche generates $163K/yr across 15 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Skip it (48/100).
- **How competitive is the acapella breathing device niche?**
- 8 brands and 18 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in acapella breathing device?**
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Breathability. The return rate is 2.5%.
- **When does demand for acapella breathing device peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the acapella breathing device niche?**
- Listings span $17.07–$58.84; the average listing price is $37.14 (sweet spot $15–$100). The average incumbent carries 1,239 reviews — the moat a new listing must climb.
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