---
title: "Holter Monitor — $260K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/holter-monitor"
last_updated: "2026-07-21T17:18:53.171Z"
locale: en
meta:
description: "Niche score 30/100 · $260K/yr market · 197K searches/yr · $141.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 30/100 · $260K/yr market · 197K searches/yr · $141.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Holter Monitor — $260K/yr Amazon US Niche (2026) - Flapen"
---
# **holter monitor**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 48Growth 23Conversion 12Competition 14Returns 36Price range 17Avg price 61Brand share 6Review moat 21Quality gap 68
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$141.80**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$260K**
$260K/yr · 197K searches
**Returns**
**Okay****4.7%**
return rate — above 6% kills the launch gate
**Growth**
**Bad****-4.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****11,771.5**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Bad****$73.89–$227.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****83%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****0.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, holter monitor is a $260K/yr Amazon United States market (197K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 30/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **holter monitor market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$284K–$355K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **0.9%**
- **Avg BSR**
- **#177**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **11.5%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**38**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**83%**
Top 20: 100%
**Open market**
**0%**
- AliveCor54% - Biotricity16% - EMAY12% - POLAR8% - Garmin7% - COROS3%
## **Demand**
Weekly Amazon search volume, last 45 weeks — -4.8% search growth over the last 90 days.
4K3KSep '25Oct '25Dec '25Feb '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/holter-monitor/trend)
## **Top holter monitor search terms**
- **holter monitor**49K/yr-1.3%0.4% conv. - **ekg machine**39K/yr-1.9%0.8% conv. - **holter monitor 24 hours**16K/yr-7.2%0.4% conv. - **12 lead ekg machine**16K/yr-0.3%0.2% conv. - **electrocardiografo**13K/yr-10.0%0.1% conv. - **ecg machine**11K/yr+9.7%0.5% conv. - **emay portable ecg monitor**10K/yr+7.1%4.5% conv. - **12 lead ekg**8K/yr-5.7%0.4% conv. - **electrocardiograma portatil**9K/yr-23.4%0.0% conv. - **electrocardiograma**8K/yr-25.7%0.0% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/holter-monitor/search-terms)
## **Top holter monitor 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%15%$39K30%$78K45%$117K60%$156K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 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**Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Small)**Biotricity**$227.52**4.1★33 rev](https://www.amazon.com/dp/B0CM9SV2XV) [3**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) [4**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) [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
[**Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording M-XL**Garmin**$167.90**1,073 rev1y ago](https://www.amazon.com/dp/B0F7ZGDDCX) [**Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording XS-S**Garmin**$159.44**1,073 rev1y ago](https://www.amazon.com/dp/B0F7Z6N7BR) [**Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Small)**Biotricity**$227.52**33 rev2y ago](https://www.amazon.com/dp/B0CM9SV2XV) [**Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Medium)**Biotricity**$227.93**33 rev2y ago](https://www.amazon.com/dp/B0CM9R944Q) [**COROS Heart Rate Monitor Comfort Easy to wear Auto-wear Detection Advanced Sensor Precise Data Bluetooth 38 Hours Battery Life Connects up to 3 Devices at Once for Run and Bike-Grey**COROS**$77.88**2,292 rev2y ago](https://www.amazon.com/dp/B0CH8LJL3Y)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**COROS Heart Rate Monitor Comfort Easy to wear Auto-wear Detection Advanced Sensor Precise Data Bluetooth 38 Hours Battery Life Connects up to 3 Devices at Once for Run and Bike-Grey**COROS**$77.88**4.3★**▲ 70%**](https://www.amazon.com/dp/B0CH8LJL3Y) [**Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording M-XL**Garmin**$167.90**4.6★**▲ 66%**](https://www.amazon.com/dp/B0F7ZGDDCX) [**Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording XS-S**Garmin**$159.44**4.6★**▲ 56%**](https://www.amazon.com/dp/B0F7Z6N7BR) [**Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Small)**Biotricity**$227.52**4.1★**▲ 37%**](https://www.amazon.com/dp/B0CM9SV2XV) [**Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL**POLAR**$95.89**4.2★**▲ 17%**](https://www.amazon.com/dp/B07PM54P4N)
**~~View all trending →~~**
## **What buyers say about holter monitor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**29%
*“this came in very handy”*
**Quality-Overall**12%
*“I have found this to be a very good quality monitor”*
**Efficiency**8%
*“It does work”*
**Value For Money**7%
*“Good price”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Software/Application**5%
*“the app is simple also”*
**Connectivity-Overall**4%
*“connects easily”*
**Compatibility-Overall**4%
*“Pairing with your phone is straightforward”*
**Size-Overall**2%
*“size is great can fit in pocket”*
**Battery Life**2%
*“Battery life is decent”*
### **What buyers complain about **
**Connectivity-Overall**13%
*“Never connected”*
**Functionality-Overall**10%
*“Questionable functionality”*
**Durability**9%
*“Short life poor CS”*
**Value For Money**9%
*“A bit expensive though”*
**Software/Application**6%
*“Each of the 2 apps is poorly made”*
**Ease Of Use**5%
*“Difficult to use”*
**Measurement/Reading Accuracy**5%
*“Inaccurate”*
**Compatibility-Overall**5%
*“Compatibility Problems”*
**Battery Life**4%
*“The battery life is also horrible”*
**Advertised Vs Actual Product**4%
*“FALSE advertising”*
### **Top return reasons **
**Functionality-Overall**18%
**Connectivity-Overall**14%
**Compatibility-Overall**10%
**Measurement/Reading Accuracy**9%
**Advertised Vs Actual Product**9%
**Size-Overall**7%
**Value For Money**7%
**Software/Application**5%
**Ease Of Use**4%
**Defective Material/Parts**3%
## **Common questions**
- **Is holter monitor profitable to sell on Amazon United States?**
- The niche generates $260K/yr across 10 tracked products. 90-day search growth is -4.8%. Flapen's verdict: Skip it (30/100).
- **How competitive is the holter monitor niche?**
- 6 brands and 38 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in holter monitor?**
- Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Durability. The return rate is 4.7%.
- **What does it cost to enter the holter monitor niche?**
- Listings span $73.89–$227.93; the average listing price is $141.80 (sweet spot $15–$100). The average incumbent carries 11,772 reviews — the moat a new listing must climb.
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