breathing exercise device for lungs
Worth a lookShows a sweet-spot price point ($26.12 avg), but soft demand (-16.5% this quarter) keeps it on the watch list.
Avg price
Incredible$26.12avg listing price — sweet spot $15–$100
Price range
Incredible$19.33–$50.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$1.6M$1.6M/yr · 638K searches
Conversion
Great9.5%search→purchase rate — share of searches ending in a sale
Returns
Good2.4%return rate — above 5% kills the launch gate
Review moat
Good1,134.67avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-16.5%90-day search growth — must beat 0% to launch
Brand share
Bad93%top-5 brand share — brand-locked demand
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
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.Peak months: Sep · busiest ÷ quietest = 1.9×
Top breathing exercise device for lungs search terms
- spirometer169K/yr
- incentive spirometer adult162K/yr
- incentive spirometer99K/yr
- spirometer lung exerciser adult79K/yr
- incentive spirometer adult lung exerciser16K/yr
- spirometer lung exerciser28K/yr
- espirometro pulmonar15K/yr
- voldyne 4000 volumetric exerciser7K/yr
- spirometry7K/yr
- airlife breathing device6K/yr
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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Breathing Exercise Device for Lungs Lung Exerciser Device 5000ml Volumetric Deep Breathing Trainer with Flow Rate Indicator for Respiratory Health & Recovery
TyeinGo$24.354.6★1,178 rev
Breathing Exercise Device for Lungs Lung Exerciser Device Deep Breathing Trainer for Respiratory Health & Recovery
TyeinGo$24.594.6★1,178 rev
Breathing Exercise Device for Lungs Lung Exerciser Device Deep Steady Inhalation Practice
Oxgeda$23.894.8★58 rev
Incentive Spirometer Breathing Exercise Device for Lungs Lung Exerciser Device
Oxgeda$24.644.8★58 rev
Nascool Peak Flow Meter for Adults & Kids
Nascool$29.484.4★676 rev
Newest
by launch dateIncentive Spirometer Breathing Exercise Device for Lungs Lung Exerciser Device
Oxgeda$24.6458 rev
Breathing Exercise Device for Lungs Lung Exerciser Device Deep Steady Inhalation Practice
Oxgeda$23.8958 rev
Breathing Exercise Device for Lungs Lung Exerciser Device Deep Breathing Trainer for Respiratory Health & Recovery
TyeinGo$24.591,178 rev
Breathing Exercise Device for Lungs Deep Breathing Trainer for Respiratory Health & Recovery
AiraVentus$22.0912 rev
Incentive Spirometer Adult Lung Trainer Breathing Trainer - 5000ML Inhale Volume Measurement Equipped with Ball Flow Rate Indicator & Scale Indicator
YMTNQ$25.4213 rev
Trending
90-day click momentum
Breathing Exercise Device for Lungs Deep Breathing Trainer Durable Medical-Grade PC Material
Oxgeda$24.154.8★
Breathing Exercise Device for Lungs Deep Breathing Trainer for Respiratory Health & Recovery
AiraVentus$22.095.0★
Breathing Exercise Device for Lungs Lung Exerciser Device Deep Breathing Trainer for Respiratory Health & Recovery
TyeinGo$24.594.6★
Sonmol Lung Trainer with Travel Case MEP Test 5 Resistance Levels
Sonmol$24.704.0★
Breathing Exercise Device for Lungs Lung Exerciser Device Deep Steady Inhalation Practice
Oxgeda$23.894.8★
What buyers say about breathing exercise device for lungs
What buyers praise and complain about, mined from review topics.What buyers love
“improve my breathing”
“easy to carry”
“Great build quality”
“strengthen his lung volume”
“As advertised”
“Worth it”
“which was very efficient”
“It arrived in a nice box with instructions inside”
“It has very easy assembly”
“Great product to use after open heart surgery”
What buyers complain about
“Terrible product with erroneous directions”
“pure useless junk”
“much less replace an effort to take a deep breath”
“Doesn't work”
“Broke”
“A waste of money”
“small”
“I had blood clots in my lungs”
“Will not sync to my phone”
“The red, yellow, green marking on it in the picture is just a marking with no function”
Top return reasons
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.