vagus nerve stimulator
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size
Incredible$8.3M$8.3M/yr · 1.6M searches
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Avg price
Okay$211.59avg listing price — sweet spot $15–$100
Returns
Okay5.2%return rate — above 6% kills the launch gate
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-12.3%90-day search growth — must beat 0% to launch
Review moat
Bad16,916.8avg incumbent reviews — the moat a new listing must climb
Price range
Bad$73.84–$281.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
12
Top-5 brand share
100%
Open market
0%
- Pulsetto82%
- HOOLEST7%
- AliveCor6%
- Sensate5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pulsetto FIT (V2) Wellness Wearable Relaxation Sleep & Daily Wellness Support Device
Pulsetto$268.053.9★435 rev

Pulsetto Lite (V1) Wellness Wearable Relaxation & Daily Wellness Support Device
Pulsetto$247.044.0★456 rev

HOOLEST VeRelief Prime | Drug-Free Calm & Focus Device | Stress Relief & Relaxation Support | 5 Modes Pocket-Sized No App Hydrogel Tips USB-C Rechargeable HSA/FSA Eligible
HOOLEST$187.123.9★7 rev

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$73.844.4★83,182 rev

Sensate Relaxation Device Patented Vagus Nerve Toning Tool for Instant Calm Better Sleep & Stress Resilience Non-Invasive Infrasonic Resonance Technology
Sensate$281.884.0★504 rev
Newest
by launch date
HOOLEST VeRelief Prime | Drug-Free Calm & Focus Device | Stress Relief & Relaxation Support | 5 Modes Pocket-Sized No App Hydrogel Tips USB-C Rechargeable HSA/FSA Eligible
HOOLEST$187.127 rev

Pulsetto FIT (V2) Wellness Wearable Relaxation Sleep & Daily Wellness Support Device
Pulsetto$268.05435 rev

Pulsetto Lite (V1) Wellness Wearable Relaxation & Daily Wellness Support Device
Pulsetto$247.04456 rev

Sensate Relaxation Device Patented Vagus Nerve Toning Tool for Instant Calm Better Sleep & Stress Resilience Non-Invasive Infrasonic Resonance Technology
Sensate$281.88504 rev

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$73.8483,182 rev
Trending
90-day click momentum
HOOLEST VeRelief Prime | Drug-Free Calm & Focus Device | Stress Relief & Relaxation Support | 5 Modes Pocket-Sized No App Hydrogel Tips USB-C Rechargeable HSA/FSA Eligible
HOOLEST$187.123.9★

Sensate Relaxation Device Patented Vagus Nerve Toning Tool for Instant Calm Better Sleep & Stress Resilience Non-Invasive Infrasonic Resonance Technology
Sensate$281.884.0★

Pulsetto FIT (V2) Wellness Wearable Relaxation Sleep & Daily Wellness Support Device
Pulsetto$268.053.9★

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$73.844.4★

Pulsetto Lite (V1) Wellness Wearable Relaxation & Daily Wellness Support Device
Pulsetto$247.044.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.3% search growth over the last 90 days.Peak months: Jan, Jun · busiest ÷ quietest = 2.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“easy to operate”
“Excellent Product”
“It's comfortable and feels good”
“As advertised”
“Good price”
“Works well”
“The app was super easy to use”
“The fit is comfortable”
“lightweight”
“Battery life is excellent”
What buyers complain about
“For me, no results”
“the price is a bit high”
“APP SCAM”
“Very Poor Durability - Stopped Working After One Day”
“Difficult to use”
“Deceiving”
“no way to recharge”
“Cheap product”
“No connection”
“Compatibility Problems”