---
title: "Ecg — $88K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/ecg"
last_updated: "2026-07-21T17:40:26.166Z"
locale: en
meta:
description: "Niche score 28/100 · $88K/yr market · 44K searches/yr · $113.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 28/100 · $88K/yr market · 44K searches/yr · $113.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ecg — $88K/yr Amazon US Niche (2026) - Flapen"
---
# **ecg**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 22Growth 37Conversion 22Competition 0Returns 34Price range 32Avg price 71Brand share 0Review moat 17Quality gap 72
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$113.38**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+9.8%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****4.9%**
return rate — above 6% kills the launch gate
**Price range**
**Okay****$73.89–$155.78**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$88K**
$88K/yr · 44K searches
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****19,222.5**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, ecg is a $88K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 28/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ecg market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$85K–$113K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#14**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **15.4%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**24**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- AliveCor70% - EMAY15% - POLAR10% - Omron5% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 63 weeks — +9.8% search growth over the last 90 days.
1K750Prime Day '25Spike '25Black Friday '25Spike '26 seasonMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/ecg/trend)
## **Top ecg search terms**
- **ecg**40K/yr+8.8%1.0% conv. - **ekg monitoring devices**4K/yr+27.4%1.5% conv. - **afib heart monitor**942/yr+0.7%2.6% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/ecg/search-terms)
## **Top ecg 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%20%$18K40%$35K60%$53K80%$70K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**KardiaMobile 1-Lead EKG Monitor Medical-Grade FDA-Cleared Personal Heart Monitor Detects Normal AFib & Arrhythmias 30 Second Results Works with Most Smartphones HSA&FSA Eligible**AliveCor**$73.89**4.4★83,279 rev](https://www.amazon.com/dp/B01A4W8AUK) [2**Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL**POLAR**$95.89**4.2★26,663 rev](https://www.amazon.com/dp/B07PM54P4N) [3**EMAY 6L Portable ECG Monitor | Record ECG and Heart Rate in 6 Channels | Compatible with Smartphone and PC | No Subscription Required**EMAY**$155.78**4.6★1,352 rev](https://www.amazon.com/dp/B0C88W44M2) [4**KardiaMobile 6L Max EKG Monitor Includes One-Year KardiaCare Membership FDA-Cleared Heart Monitor Medical-Grade Results in 30 Seconds Unlimited Recordings Works with Smartphones and Tablets**AliveCor**$147.35**4.1★1,487 rev](https://www.amazon.com/dp/B097Q4SLDP) [5**EMAY Portable ECG Monitor | Record ECG and Heart Rate | Compatible with Smartphone and PC**EMAY**$84.45**4.4★430 rev](https://www.amazon.com/dp/B0C6G6F4WC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**EMAY 6L Portable ECG Monitor | Record ECG and Heart Rate in 6 Channels | Compatible with Smartphone and PC | No Subscription Required**EMAY**$155.78**1,352 rev3y ago](https://www.amazon.com/dp/B0C88W44M2) [**EMAY Portable ECG Monitor | Record ECG and Heart Rate | Compatible with Smartphone and PC**EMAY**$84.45**430 rev3y ago](https://www.amazon.com/dp/B0C6G6F4WC) [**KardiaMobile 6L Max EKG Monitor Includes One-Year KardiaCare Membership FDA-Cleared Heart Monitor Medical-Grade Results in 30 Seconds Unlimited Recordings Works with Smartphones and Tablets**AliveCor**$147.35**1,487 rev5y ago](https://www.amazon.com/dp/B097Q4SLDP) [**OMRON Complete 2-in-1 Blood Pressure Monitor + EKG for Home Use & Upper Arm Blood Pressure Cuff - #1 Doctor & Pharmacist Recommended Brand - Clinically Validated - Connect App**Omron**$122.94**2,124 rev7y ago](https://www.amazon.com/dp/B07QXKMSHY) [**Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL**POLAR**$95.89**26,663 rev7y ago](https://www.amazon.com/dp/B07PM54P4N)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL**POLAR**$95.89**4.2★**▲ 47%**](https://www.amazon.com/dp/B07PM54P4N) [**KardiaMobile 1-Lead EKG Monitor Medical-Grade FDA-Cleared Personal Heart Monitor Detects Normal AFib & Arrhythmias 30 Second Results Works with Most Smartphones HSA&FSA Eligible**AliveCor**$73.89**4.4★**▲ 23%**](https://www.amazon.com/dp/B01A4W8AUK) [**KardiaMobile 6L Max EKG Monitor Includes One-Year KardiaCare Membership FDA-Cleared Heart Monitor Medical-Grade Results in 30 Seconds Unlimited Recordings Works with Smartphones and Tablets**AliveCor**$147.35**4.1★**— 7%**](https://www.amazon.com/dp/B097Q4SLDP) [**OMRON Complete 2-in-1 Blood Pressure Monitor + EKG for Home Use & Upper Arm Blood Pressure Cuff - #1 Doctor & Pharmacist Recommended Brand - Clinically Validated - Connect App**Omron**$122.94**4.2★**▼ 37%**](https://www.amazon.com/dp/B07QXKMSHY) [**EMAY 6L Portable ECG Monitor | Record ECG and Heart Rate in 6 Channels | Compatible with Smartphone and PC | No Subscription Required**EMAY**$155.78**4.6★**▼ 42%**](https://www.amazon.com/dp/B0C88W44M2)
**~~View all trending →~~**
## **What buyers say about ecg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**31%
*“easy to read”*
**Quality-Overall**12%
*“I have found this to be a very good quality monitor”*
**Efficiency**8%
*“It does work”*
**Value For Money**6%
*“Good price”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Software/Application**5%
*“the app is simple also”*
**Connectivity-Overall**3%
*“connects easily”*
**Compatibility-Overall**3%
*“Pairing with your phone is straightforward”*
**Portability**2%
*“Portable”*
**Instructions/User Manual/Troubleshooting**2%
*“Good instructions”*
### **What buyers complain about **
**Connectivity-Overall**10%
*“Never connects”*
**Functionality-Overall**10%
*“Questionable functionality”*
**Durability**8%
*“Short life poor CS”*
**Value For Money**8%
*“It's more expensive”*
**Ease Of Use**6%
*“Difficult to use”*
**Software/Application**6%
*“App doesn't work”*
**Measurement/Reading Accuracy**6%
*“Inaccurate”*
**Compatibility-Overall**5%
*“Compatibility Problems”*
**Advertised Vs Actual Product**4%
*“Not as advertised”*
**Battery Life**4%
*“The battery life is also horrible”*
### **Top return reasons **
**Functionality-Overall**19%
**Connectivity-Overall**12%
**Measurement/Reading Accuracy**12%
**Advertised Vs Actual Product**10%
**Compatibility-Overall**9%
**Value For Money**6%
**Software/Application**5%
**Ease Of Use**5%
**Size-Overall**4%
**Defective Material/Parts**3%
## **Common questions**
- **Is ecg profitable to sell on Amazon United States?**
- The niche generates $88K/yr across 6 tracked products. 90-day search growth is +9.8%. Flapen's verdict: Skip it (28/100).
- **How competitive is the ecg niche?**
- 4 brands and 24 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in ecg?**
- Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Durability. The return rate is 4.9%.
- **When does demand for ecg peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the ecg niche?**
- Listings span $73.89–$155.78; the average listing price is $113.38 (sweet spot $15–$100). The average incumbent carries 19,223 reviews — the moat a new listing must climb.
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