Is oximeter with alarm profitable to sell on Amazon United States?

The niche generates $767K/yr across 5 tracked products. 90-day search growth is -1.3%. Flapen's verdict: Skip it (42/100).

How competitive is the oximeter with alarm niche?

4 brands and 7 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in oximeter with alarm?

Top complaints mined from reviews: Measurement/Reading Accuracy, Functionality-Overall, Accuracy-Overall. The return rate is 2.2%.

When does demand for oximeter with alarm peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.7× the quietest.

What does it cost to enter the oximeter with alarm niche?

Listings span $21.31–$278.41; the average listing price is $113.83 (sweet spot $15–$100). The average incumbent carries 59,058 reviews — the moat a new listing must climb.

oximeter with alarm

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Great9.5%

search→purchase rate — share of searches ending in a sale

Market size

Good$767K

$767K/yr · 71K searches

Returns

Good2.2%

return rate — above 5% kills the launch gate

Avg price

Good$113.83

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Okay$21.31–$278.41

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Bad-1.3%

90-day search growth — must beat 0% to launch

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Review moat

Bad59,057.6

avg incumbent reviews — the moat a new listing must climb

Signals High Price

According to Flapen's Amazon United States niche tracking, oximeter with alarm is a $767K/yr Amazon United States market (71K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 42/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

oximeter with alarm market data

Units sold / yr: 6K–8K; avg 1,250–1,500/product
Revenue / yr: $683K–$911K; units × avg price
Conversion rate: 9.5%
Avg BSR: #30
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 52 months
Avg seller age: 183 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

Innovo66%
Wellue22%
Nonin6%
Zacurate5%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.3% search growth over the last 90 days.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 2.7×

Open Trend

Top oximeter with alarm search terms

oxiline pulse xs pro16K/yr +1.8%1.8% conv.
innovo deluxe ip900ap14K/yr -0.4%17.0% conv.
nonin pulse oximeter17K/yr -3.3%2.0% conv.
innovo pulse oximeter11K/yr -16.8%12.2% conv.
innovo deluxe ip900ap fingertip pulse oximeter6K/yr -3.6%22.6% conv.
oxiline pulse xs pro oximeter2K/yr +5.9%3.2% conv.
innovo3K/yr -3.2%7.6% conv.
saturator2K/yr +170.8%0.0% conv.

All search terms

Top oximeter with alarm 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Innovo Deluxe iP900AP Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Alarm Plethysmograph and Perfusion Index

Innovo$33.434.7★50,460 rev

Wellue O2Ring-S Oxygen Monitor with Vibration Reminder Bluetooth Pulse Oximeter Tracks SPO2 and Pulse Rate 24 hrs Battery Life 4*10 Hours Built-in Memory Rechargeable Pulse Ox with Free PC & APP

Wellue$198.013.9★354 rev

Innovo iP900BP-B Fingertip Pulse Oximeter Blood Oxygen Monitor with Free App Plethysmograph and Perfusion Index (with Bluetooth)

Innovo$38.024.5★7,103 rev

Nonin TruO2 OTC Pulse Oximeter 3250 FDA-Cleared Blood Oxygen Monitor Medical-Grade Accuracy Fingertip Pulse Oximeter Apple Health Compatible

Nonin$278.413.9★55 rev

Zacurate 500 Series Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover Batteries and Lanyard Royal Black

Zacurate$21.314.7★237,316 rev

Newest

by launch date

Nonin TruO2 OTC Pulse Oximeter 3250 FDA-Cleared Blood Oxygen Monitor Medical-Grade Accuracy Fingertip Pulse Oximeter Apple Health Compatible

Nonin$278.4155 rev

1y ago

Wellue O2Ring-S Oxygen Monitor with Vibration Reminder Bluetooth Pulse Oximeter Tracks SPO2 and Pulse Rate 24 hrs Battery Life 4*10 Hours Built-in Memory Rechargeable Pulse Ox with Free PC & APP

Wellue$198.01354 rev

2y ago

Innovo Deluxe iP900AP Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Alarm Plethysmograph and Perfusion Index

Innovo$33.4350,460 rev

6y ago

Zacurate 500 Series Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover Batteries and Lanyard Royal Black

Zacurate$21.31237,316 rev

7y ago

Innovo iP900BP-B Fingertip Pulse Oximeter Blood Oxygen Monitor with Free App Plethysmograph and Perfusion Index (with Bluetooth)

Innovo$38.027,103 rev

8y ago

What buyers say about oximeter with alarm

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use20%

“Easy to operate”

Quality-Overall15%

“Quality and ease of use”

Efficiency14%

“Works Perfectly”

Accuracy-Overall11%

“Accurate and easy”

Advertised Vs Actual Product11%

“Exactly as advertised”

Value For Money8%

“Good buy for the money”

Health Monitoring3%

“Accurate health tool”

Durability2%

“Very durable”

Battery Life1%

“The battery life is really nice”

Display-Overall1%

“Display good”

What buyers complain about

Measurement/Reading Accuracy15%

“Inaccurate readings”

Functionality-Overall14%

“Does not function well”

Accuracy-Overall11%

“Not Accurate”

Durability10%

“Broke after a few uses”

Value For Money6%

“Waste of money”

Battery Life5%

“Batteries die very fast”

Quality-Overall5%

“Not good quality”

Software/Application2%

“APP IS NOT USABLE”

Connectivity-Overall2%

“but keeps dropping Bluetooth”

Ease Of Use2%

“Difficult to use”

Top return reasons

Measurement/Reading Accuracy30%

Functionality-Overall22%

Accuracy-Overall9%

Advertised Vs Actual Product7%

Size-Overall5%

Display-Overall4%

Value For Money3%