---
title: "Heart Rate Monitor — $17.9M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/heart-rate-monitor"
last_updated: "2026-07-21T17:20:49.267Z"
locale: en
meta:
description: "Niche score 43/100 · $17.9M/yr market · 3.4M searches/yr · $108.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $17.9M/yr market · 3.4M searches/yr · $108.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Heart Rate Monitor — $17.9M/yr Amazon US Niche (2026) - Flapen"
---
# **heart rate monitor**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 100Growth 29Conversion 57Competition 4Returns 38Price range 28Avg price 72Brand share 0Review moat 16Quality gap 75
**Market size**
**Incredible****$17.9M**
$17.9M/yr · 3.4M searches
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$108.72**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****4.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****4.5%**
return rate — above 6% kills the launch gate
**Growth**
**Okay****+2.9%**
90-day search growth — must beat 0% to launch
**Price range**
**Okay****$73.89–$167.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Bad****19,731.33**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****96%**
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, heart rate monitor is a $17.9M/yr Amazon United States market (3.4M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **heart rate monitor market data**
- **Units sold / yr**
- **200K–250K**
- avg 25,000–30,000/product
- **Revenue / yr**
- **$21.7M–$27.2M**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **4.9%**
- **Avg BSR**
- **#101**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **21.1%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**35**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**96%**
Top 20: 100%
**Open market**
**0%**
- AliveCor80% - POLAR10% - Garmin5% - COROS4% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.
90K70KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/heart-rate-monitor/trend)
## **Top heart rate monitor search terms**
- **heart rate monitor**991K/yr-0.0%0.6% conv. - **kardiamobile ekg monitor**450K/yr+11.3%7.5% conv. - **kardia mobile heart monitor**269K/yr+9.4%7.2% conv. - **heart monitor**222K/yr-12.4%1.4% conv. - **kardia**214K/yr+7.6%5.8% conv. - **ekg monitoring devices fda approved**161K/yr-8.5%4.0% conv. - **ekg**141K/yr-1.4%2.2% conv. - **kardia mobile**145K/yr+14.2%6.9% conv. - **ekg monitor**102K/yr+0.2%2.4% conv. - **kardiamobile 6l**79K/yr+41.3%6.5% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/heart-rate-monitor/search-terms)
## **Top heart rate 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%20%$3.6M40%$7.2M60%$10.7M80%$14.3M1K10K100K 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**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) [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**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★1,073 rev](https://www.amazon.com/dp/B0F7ZGDDCX) [5**KardiaMobile Card Credit-Card Sized EKG Medical-Grade & FDA-Cleared Personal Heart Monitor Bluetooth Enabled On-The-Go Check-Up Anywhere Compatible with Most Smartphones No Subscription Required**AliveCor**$89.41**4.2★3,594 rev](https://www.amazon.com/dp/B09TQ3ZN8V)
**~~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) [**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) [**KardiaMobile Card Credit-Card Sized EKG Medical-Grade & FDA-Cleared Personal Heart Monitor Bluetooth Enabled On-The-Go Check-Up Anywhere Compatible with Most Smartphones No Subscription Required**AliveCor**$89.41**3,594 rev4y ago](https://www.amazon.com/dp/B09TQ3ZN8V) [**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) [**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
[**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★**▲ 28%**](https://www.amazon.com/dp/B0F7ZGDDCX) [**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★**▲ 21%**](https://www.amazon.com/dp/B097Q4SLDP) [**KardiaMobile Card Credit-Card Sized EKG Medical-Grade & FDA-Cleared Personal Heart Monitor Bluetooth Enabled On-The-Go Check-Up Anywhere Compatible with Most Smartphones No Subscription Required**AliveCor**$89.41**4.2★**— 9%**](https://www.amazon.com/dp/B09TQ3ZN8V) [**Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL**POLAR**$95.89**4.2★**— 9%**](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★**— 6%**](https://www.amazon.com/dp/B01A4W8AUK)
**~~View all trending →~~**
## **What buyers say about heart rate monitor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**24%
*“easy to operate”*
**Quality-Overall**13%
*“quality of product seems to be accurate in its readings”*
**Efficiency**10%
*“It does work”*
**Value For Money**8%
*“Worth every penny”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Compatibility-Overall**5%
*“Pairing with your phone is straightforward”*
**Software/Application**5%
*“The app is great”*
**Connectivity-Overall**4%
*“Easy to connect”*
**Comfort-Overall**3%
*“Comfortable”*
**Portability**2%
*“This is a portable”*
### **What buyers complain about **
**Connectivity-Overall**14%
*“Never connected”*
**Functionality-Overall**12%
*“Questionable functionality”*
**Durability**10%
*“Short life poor CS”*
**Value For Money**8%
*“Cost”*
**Software/Application**6%
*“Each of the 2 apps is poorly made”*
**Compatibility-Overall**6%
*“Not compatible”*
**Ease Of Use**5%
*“Difficult to use”*
**Battery Life**5%
*“The battery life is also horrible”*
**Advertised Vs Actual Product**4%
*“FALSE advertising”*
**Quality-Overall**4%
*“garbage, stopped working after a week”*
### **Top return reasons **
**Functionality-Overall**18%
**Connectivity-Overall**15%
**Compatibility-Overall**11%
**Measurement/Reading Accuracy**9%
**Advertised Vs Actual Product**9%
**Value For Money**6%
**Size-Overall**6%
**Software/Application**5%
**Ease Of Use**4%
**Defective Material/Parts**3%
## **Common questions**
- **Is heart rate monitor profitable to sell on Amazon United States?**
- The niche generates $17.9M/yr across 6 tracked products. 90-day search growth is +2.9%. Flapen's verdict: Skip it (43/100).
- **How competitive is the heart rate monitor niche?**
- 4 brands and 35 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in heart rate monitor?**
- Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Durability. The return rate is 4.5%.
- **When does demand for heart rate monitor peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the heart rate monitor niche?**
- Listings span $73.89–$167.90; the average listing price is $108.72 (sweet spot $15–$100). The average incumbent carries 19,731 reviews — the moat a new listing must climb.
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