holter monitor
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$141.80avg listing price — sweet spot $15–$100
Market size
Okay$260K$260K/yr · 197K searches
Returns
Okay4.7%return rate — above 6% kills the launch gate
Growth
Bad-4.8%90-day search growth — must beat 0% to launch
Review moat
Bad11,771.5avg incumbent reviews — the moat a new listing must climb
Price range
Bad$73.89–$227.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad83%top-5 click share — a locked-up shelf
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Brand share
Bad97%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
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.Top holter monitor search terms
- holter monitor49K/yr
- ekg machine39K/yr
- holter monitor 24 hours16K/yr
- 12 lead ekg machine16K/yr
- electrocardiografo13K/yr
- ecg machine11K/yr
- emay portable ecg monitor10K/yr
- 12 lead ekg8K/yr
- electrocardiograma portatil9K/yr
- electrocardiograma8K/yr
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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$73.894.4★83,279 rev
Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Small)
Biotricity$227.524.1★33 rev
Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL
POLAR$95.894.2★26,663 rev
EMAY 6L Portable ECG Monitor | Record ECG and Heart Rate in 6 Channels | Compatible with Smartphone and PC | No Subscription Required
EMAY$155.784.6★1,352 rev
EMAY Portable ECG Monitor | Record ECG and Heart Rate | Compatible with Smartphone and PC
EMAY$84.454.4★430 rev
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$167.901,073 rev
Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording XS-S
Garmin$159.441,073 rev
Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Small)
Biotricity$227.5233 rev
Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Medium)
Biotricity$227.9333 rev
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$77.882,292 rev
Trending
90-day click momentumCOROS 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$77.884.3★
Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording M-XL
Garmin$167.904.6★
Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording XS-S
Garmin$159.444.6★
Biotricity Bioheart | 24/7 Continuous Heart Monitor | No Prescription Needed | Smart Wearable | Chest Strap | One Month Subscription Included (Small)
Biotricity$227.524.1★
Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL
POLAR$95.894.2★
What buyers say about holter monitor
What buyers praise and complain about, mined from review topics.What buyers love
“this came in very handy”
“I have found this to be a very good quality monitor”
“It does work”
“Good price”
“As advertised”
“the app is simple also”
“connects easily”
“Pairing with your phone is straightforward”
“size is great can fit in pocket”
“Battery life is decent”
What buyers complain about
“Never connected”
“Questionable functionality”
“Short life poor CS”
“A bit expensive though”
“Each of the 2 apps is poorly made”
“Difficult to use”
“Inaccurate”
“Compatibility Problems”
“The battery life is also horrible”
“FALSE advertising”
Top return reasons
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.