---
title: "Breathing Exercise Device for Lungs — $1.6M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/breathing-exercise-device-for-lungs"
last_updated: "2026-08-10T09:13:45.158Z"
locale: en
meta:
description: "Niche score 52/100 · $1.6M/yr market · 638K searches/yr · $26.12 avg price. Soft demand (-16.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $1.6M/yr market · 638K searches/yr · $26.12 avg price. Soft demand (-16.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Breathing Exercise Device for Lungs — $1.6M/yr Amazon US Niche (2026) - Flapen"
---
# **breathing exercise device for lungs**
**Worth a look**
Shows a sweet-spot price point ($26.12 avg), but soft demand (-16.5% this quarter) keeps it on the watch list.
Market size 88Growth 17Conversion 85Competition 21Returns 66Price range 95Avg price 95Brand share 17Review moat 59Quality gap 37
**Avg price**
**Incredible****$26.12**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$19.33–$50.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****$1.6M**
$1.6M/yr · 638K searches
**Conversion**
**Great****9.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,134.67**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-16.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, breathing exercise device for lungs is a $1.6M/yr Amazon United States market (638K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Sep. Verdict: Worth a look — 52/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **breathing exercise device for lungs market data**
- **Units sold / yr**
- **60K–80K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **$1.6M–$2.1M**
- units × avg price
- **Conversion rate**
- **9.5%**
- **Avg BSR**
- **#78**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **9.9%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**19**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**4%**
- TyeinGo54% - Oxgeda26% - Nascool7% - YMTNQ3% - The Breather3% - AiraVentus3% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -16.5% search growth over the last 90 days.
40K30KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/health-household/breathing-exercise-device-for-lungs/trend)
## **Top breathing exercise device for lungs search terms**
- **spirometer**169K/yr-14.8%5.9% conv. - **incentive spirometer adult**162K/yr-19.7%11.4% conv. - **incentive spirometer**99K/yr-3.8%6.3% conv. - **spirometer lung exerciser adult**79K/yr-11.7%9.2% conv. - **incentive spirometer adult lung exerciser**16K/yr-10.6%10.6% conv. - **spirometer lung exerciser**28K/yr-27.9%5.8% conv. - **espirometro pulmonar**15K/yr-76.5%1.6% conv. - **voldyne 4000 volumetric exerciser**7K/yr-4.1%4.7% conv. - **spirometry**7K/yr+29.9%2.5% conv. - **airlife breathing device**6K/yr-9.8%4.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/breathing-exercise-device-for-lungs/search-terms)
## **Top breathing exercise device for lungs 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%$159K20%$317K30%$476K40%$634K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Breathing Exercise Device for Lungs Lung Exerciser Device 5000ml Volumetric Deep Breathing Trainer with Flow Rate Indicator for Respiratory Health & Recovery**TyeinGo**$24.35**4.6★1,178 rev](https://www.amazon.com/dp/B0CDBVBJF7) [2**Breathing Exercise Device for Lungs Lung Exerciser Device Deep Breathing Trainer for Respiratory Health & Recovery**TyeinGo**$24.59**4.6★1,178 rev](https://www.amazon.com/dp/B0GXGC9MYL) [3**Breathing Exercise Device for Lungs Lung Exerciser Device Deep Steady Inhalation Practice**Oxgeda**$23.89**4.8★58 rev](https://www.amazon.com/dp/B0GXHRC5Z4) [4**Incentive Spirometer Breathing Exercise Device for Lungs Lung Exerciser Device**Oxgeda**$24.64**4.8★58 rev](https://www.amazon.com/dp/B0GZKTW4RL) [5**Nascool Peak Flow Meter for Adults & Kids**Nascool**$29.48**4.4★676 rev](https://www.amazon.com/dp/B09S3KJZZ7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Incentive Spirometer Breathing Exercise Device for Lungs Lung Exerciser Device**Oxgeda**$24.64**58 rev2mo ago](https://www.amazon.com/dp/B0GZKTW4RL) [**Breathing Exercise Device for Lungs Lung Exerciser Device Deep Steady Inhalation Practice**Oxgeda**$23.89**58 rev2mo ago](https://www.amazon.com/dp/B0GXHRC5Z4) [**Breathing Exercise Device for Lungs Lung Exerciser Device Deep Breathing Trainer for Respiratory Health & Recovery**TyeinGo**$24.59**1,178 rev2mo ago](https://www.amazon.com/dp/B0GXGC9MYL) [**Breathing Exercise Device for Lungs Deep Breathing Trainer for Respiratory Health & Recovery**AiraVentus**$22.09**12 rev4mo ago](https://www.amazon.com/dp/B0GWFCR4XY) [**Incentive Spirometer Adult Lung Trainer Breathing Trainer - 5000ML Inhale Volume Measurement Equipped with Ball Flow Rate Indicator & Scale Indicator**YMTNQ**$25.42**13 rev4mo ago](https://www.amazon.com/dp/B0GQ46VF19)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Breathing Exercise Device for Lungs Deep Breathing Trainer Durable Medical-Grade PC Material**Oxgeda**$24.15**4.8★**▲ 119%**](https://www.amazon.com/dp/B0GDR3RQFV) [**Breathing Exercise Device for Lungs Deep Breathing Trainer for Respiratory Health & Recovery**AiraVentus**$22.09**5.0★**▲ 119%**](https://www.amazon.com/dp/B0GWFCR4XY) [**Breathing Exercise Device for Lungs Lung Exerciser Device Deep Breathing Trainer for Respiratory Health & Recovery**TyeinGo**$24.59**4.6★**▲ 119%**](https://www.amazon.com/dp/B0GXGC9MYL) [**Sonmol Lung Trainer with Travel Case MEP Test 5 Resistance Levels**Sonmol**$24.70**4.0★**▲ 119%**](https://www.amazon.com/dp/B0CRD3YGHY) [**Breathing Exercise Device for Lungs Lung Exerciser Device Deep Steady Inhalation Practice**Oxgeda**$23.89**4.8★**▲ 118%**](https://www.amazon.com/dp/B0GXHRC5Z4)
**~~View all trending →~~**
## **What buyers say about breathing exercise device for lungs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Breathability**18%
*“improve my breathing”*
**Ease Of Use**14%
*“easy to carry”*
**Quality-Overall**11%
*“Great build quality”*
**Cough Relief**8%
*“strengthen his lung volume”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Value For Money**7%
*“Worth it”*
**Efficiency**6%
*“which was very efficient”*
**Instructions/User Manual/Troubleshooting**4%
*“It arrived in a nice box with instructions inside”*
**Assembly/Installation**2%
*“It has very easy assembly”*
**Heart Health**1%
*“Great product to use after open heart surgery”*
### **What buyers complain about **
**Instructions/User Manual/Troubleshooting**9%
*“Terrible product with erroneous directions”*
**Quality-Overall**8%
*“pure useless junk”*
**Breathability**7%
*“much less replace an effort to take a deep breath”*
**Functionality-Overall**7%
*“Doesn't work”*
**Durability**6%
*“Broke”*
**Value For Money**6%
*“A waste of money”*
**Size-Overall**5%
*“small”*
**Cough Relief**4%
*“I had blood clots in my lungs”*
**Compatibility-Overall**3%
*“Will not sync to my phone”*
**Color**3%
*“The red, yellow, green marking on it in the picture is just a marking with no function”*
### **Top return reasons **
**Functionality-Overall**22%
**Breathability**22%
**Advertised Vs Actual Product**9%
**Measurement/Reading Accuracy**9%
**Value For Money**4%
**Product Condition**4%
**Size-Overall**4%
**Connectivity-Overall**3%
**Ease Of Use**3%
**Accuracy-Overall**2%
## **Common questions**
- **Is breathing exercise device for lungs profitable to sell on Amazon United States?**
- The niche generates $1.6M/yr across 12 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is -16.5%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the breathing exercise device for lungs niche?**
- 8 brands and 19 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in breathing exercise device for lungs?**
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Quality-Overall, Breathability. The return rate is 2.4%.
- **When does demand for breathing exercise device for lungs peak?**
- Demand peaks in Sep; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the breathing exercise device for lungs niche?**
- Listings span $19.33–$50.41; the average listing price is $26.12 (sweet spot $15–$100). The average incumbent carries 1,135 reviews — the moat a new listing must climb.
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