---
title: "Pulse Oximeter — $21.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/pulse-oximeter"
last_updated: "2026-08-11T15:50:03.794Z"
locale: en
meta:
description: "Niche score 52/100 · $21.0M/yr market · 5.6M searches/yr. A deep review moat (40,213 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $21.0M/yr market · 5.6M searches/yr. A deep review moat (40,213 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Pulse Oximeter — $21.0M/yr Amazon US Niche (2026) - Flapen"
---
# **pulse oximeter**
**Worth a look**
Shows a $21.0M/yr market, but a deep review moat (40,213 avg reviews) keeps it on the watch list.
Market size 100Growth 19Conversion 96Competition 24Returns 83Price range 45Avg price 95Brand share 19Review moat 5Quality gap 37
**Market size**
**Incredible****$21.0M**
$21.0M/yr · 5.6M searches
**Conversion**
**Incredible****13.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$28.47**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****$7.91–$198.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-11.3%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Review moat**
**Bad****40,212.67**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, pulse oximeter is a $21.0M/yr Amazon United States market (5.6M searches/yr). The top 5 brands hold 92% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **pulse oximeter market data**
- **Units sold / yr**
- **800K–1.0M**
- avg 50,000–60,000/product
- **Revenue / yr**
- **$22.8M–$28.5M**
- units × avg price
- **Conversion rate**
- **13.2%**
- **Avg BSR**
- **#14**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**5%**
- Zacurate55% - HealthTree19% - Innovo8% - Vibeat7% - Alecaremed3% - HOLFENRY3% - Open — no brand owns it (3 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.3% search growth over the last 90 days.
150K100KPrime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/pulse-oximeter/trend)
## **Top pulse oximeter search terms**
- **pulse oximeter**2.1M/yr-11.7%12.2% conv. - **oxygen monitor fingertip**729K/yr-9.6%14.9% conv. - **pulse oximeter medical grade**670K/yr-11.6%10.4% conv. - **oximeter**481K/yr-13.0%9.3% conv. - **pulse ox**293K/yr-4.3%10.4% conv. - **pulse oximeter fingertip**271K/yr-22.1%13.5% conv. - **oximeter finger with pulse fda approved**153K/yr-7.6%12.4% conv. - **o2 pulse oximeter finger**159K/yr-15.0%11.7% conv. - **oxygen monitor**108K/yr-28.1%7.5% conv. - **oximetro**85K/yr+2.2%2.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/pulse-oximeter/search-terms)
## **Top pulse oximeter 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%$2.1M20%$4.2M30%$6.3M40%$8.4M1001K10K100K1.0M 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**Zacurate 500 Series Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover Batteries and Lanyard Royal Black**Zacurate**$21.31**4.7★237,316 rev](https://www.amazon.com/dp/B07PQ8WTC4) [2**Zacurate 500BL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Batteries Included (Navy Blue)**Zacurate**$12.24**4.6★124,770 rev](https://www.amazon.com/dp/B06Y2FFQB9) [3**Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor Pulse Ox Heart Rate and Fast Spo2 Reading Oxygen Meter with OLED Screen Included Lanyard and 2 X AAA Batteries**HealthTree**$9.70**4.6★11,700 rev](https://www.amazon.com/dp/B08QFK6QV3) [4**Innovo Deluxe iP900AP Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Alarm Plethysmograph and Perfusion Index**Innovo**$33.43**4.7★50,460 rev](https://www.amazon.com/dp/B07YVGZPRZ) [5**Healthtree JKS50B Pulse Oximeter Fingertip - Blood Oxygen monitor Fingertip with Perfusion Index Fast 5-8s Reading Large OLED Display SpO2 & Heart Rate monitor for Home Sports Travel (Includes Batteries & Lanyard)**HealthTree**$9.81**4.5★12,613 rev](https://www.amazon.com/dp/B08R1GPJ4M)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vibeat Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor Finger O2 Sensor with Pulse Rate Batteries and Lanyard Included Black**Vibeat**$8.75**7,349 rev1y ago](https://www.amazon.com/dp/B0DF2GSYTR) [**Finger Pulse Oximeter Larger Display Blood Oxygen Monitor with Batteries and Lanyard Included Fingertip Pulse Oximeter Color: Navy Blue**Home studio collection**$7.91**1,598 rev2y ago](https://www.amazon.com/dp/B0CP4J3NFZ) [**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**$198.01**354 rev2y ago](https://www.amazon.com/dp/B0CKVTYGCW) [**HOLFENRY Pulse Oximeter Fingertip - Large Display Oxygen Monitor Fingertip with Fast 5-8s Reading for SpO2/Heart Rate/PI Accurate Pulse Ox for Home/Sports/Travel Batteries & Lanyard Included**HOLFENRY**$9.83**4,546 rev3y ago](https://www.amazon.com/dp/B0C8S7SGL6) [**Alecaremed Pulse Oximeter 4 Color OLED Display Oxygen Monitor Fingertip with 20 Memory Blood Oxygen Saturation Monitor (SpO2) Alarm & Brightness Adjustable Batteries & Lanyard (White)**Alecaremed**$20.77**2,696 rev3y ago](https://www.amazon.com/dp/B0BYD34DYV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vibeat Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor Finger O2 Sensor with Pulse Rate Batteries and Lanyard Included Black**Vibeat**$8.75**4.5★**▲ 141%**](https://www.amazon.com/dp/B0DF2GSYTR) [**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**$198.01**3.9★**▲ 74%**](https://www.amazon.com/dp/B0CKVTYGCW) [**Zacurate 500 Series Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover Batteries and Lanyard Mystic Black - OLED**Zacurate**$33.62**4.7★**▲ 42%**](https://www.amazon.com/dp/B07YX5C4LB) [**Zacurate Pro Series 500DL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicone Cover Batteries and Lanyard (Blushing Pink)**Zacurate**$21.71**4.7★**▲ 35%**](https://www.amazon.com/dp/B06XHTXD7S) [**HOLFENRY Pulse Oximeter Fingertip - Large Display Oxygen Monitor Fingertip with Fast 5-8s Reading for SpO2/Heart Rate/PI Accurate Pulse Ox for Home/Sports/Travel Batteries & Lanyard Included**HOLFENRY**$9.83**4.5★**▲ 24%**](https://www.amazon.com/dp/B0C8S7SGL6)
**~~View all trending →~~**
## **What buyers say about pulse oximeter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**18%
*“Easy to carry”*
**Efficiency**14%
*“It is efficient”*
**Quality-Overall**12%
*“Very good quality arrived on time”*
**Accuracy-Overall**12%
*“Accurate and easy”*
**Advertised Vs Actual Product**11%
*“Exactly as advertised”*
**Value For Money**10%
*“Cheap price”*
**Health Monitoring**3%
*“Easy to check your oxygen levels”*
**Battery Life**1%
*“Battery lasts a long time”*
**Display-Overall**1%
*“Easy to read display”*
**Heart Health**1%
*“Perfect for heart rate”*
### **What buyers complain about **
**Measurement/Reading Accuracy**15%
*“Poor accuracy”*
**Accuracy-Overall**14%
*“NOT ACCURATE”*
**Functionality-Overall**14%
*“Absolutely does not function properly”*
**Durability**9%
*“Didn't last”*
**Battery Life**6%
*“low battery life”*
**Quality-Overall**6%
*“Its our fault for purchasing such a low quality item”*
**Value For Money**4%
*“Not Worth It”*
**Size-Overall**3%
*“Seems too big”*
**Ease Of Use**3%
*“Extremely difficult to operate”*
**Display-Overall**2%
*“The display was a little small”*
### **Top return reasons **
**Measurement/Reading Accuracy**32%
**Functionality-Overall**22%
**Accuracy-Overall**10%
**Advertised Vs Actual Product**6%
**Display-Overall**4%
**Size-Overall**4%
**Value For Money**3%
**Quality-Overall**1%
**Heart Health**1%
**Connectivity-Overall**1%
## **Common questions**
- **Is pulse oximeter profitable to sell on Amazon United States?**
- The niche generates $21.0M/yr across 15 tracked products. 90-day search growth is -11.3%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the pulse oximeter niche?**
- 9 brands and 18 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in pulse oximeter?**
- Top complaints mined from reviews: Measurement/Reading Accuracy, Accuracy-Overall, Functionality-Overall. The return rate is 1.6%.
- **When does demand for pulse oximeter peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the pulse oximeter niche?**
- Listings span $7.91–$198.01; the average listing price is $28.47 (sweet spot $15–$100). The average incumbent carries 40,213 reviews — the moat a new listing must climb.
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