Is medical king foot spa profitable to sell on Amazon United States?

The niche generates $34K/yr across 5 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +15.1%. Flapen's verdict: Skip it (34/100).

How competitive is the medical king foot spa niche?

5 brands and 10 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in medical king foot spa?

Top complaints mined from reviews: Heating, Value For Money, Advertised Vs Actual Product. The return rate is 4.8%.

When does demand for medical king foot spa peak?

Demand peaks in Dec; the busiest month runs 5.8× the quietest.

What does it cost to enter the medical king foot spa niche?

Listings span $29.26–$69.70; the average listing price is $51.50 (sweet spot $15–$100). The average incumbent carries 10,127 reviews — the moat a new listing must climb.

medical king foot spa

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Price range

Incredible$29.26–$69.70

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$51.50

avg listing price — sweet spot $15–$100

Conversion

Good6.5%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Okay+15.1%

90-day search growth — must beat 0% to launch

Returns

Okay4.8%

return rate — above 5% kills the launch gate

Review moat

Bad10,127.2

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$34K

$34K/yr · 10K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, medical king foot spa is a $34K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Dec. Verdict: Skip it — 34/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

medical king foot spa market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $39K–$52K; units × avg price
Conversion rate: 6.5%
Avg BSR: #3,384
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 7.7%
Avg brand age: 39 months
Avg seller age: 187 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

SPA4PIEDS30%
Medical king21%
Homedics19%
ACCOPURO17%
MODILIC13%

Demand & seasonality

Weekly Amazon search volume, last 86 weeks — +15.1% search growth over the last 90 days.

Peak months: Dec · busiest ÷ quietest = 5.8×

Open Trend

Top medical king foot spa 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Collapsible Heated Foot Spa with Bubble and Red Light Temperature Control Foot Bath Massager and Soaking Tub Featuring 8 Shiatsu Massage Rollers Pumice Stone and Built-in Timer Ideal Gift for Wife Mom

SPA4PIEDS$50.054.3★2,023 rev

Medical king Foot Spa Massager with Heat 14 Rollers in Foot Shape - 5 in 1 Foot Bath Massager - Adjustable Heating Bubbles Vibration Pumice Stone Mini Massage Points

Medical king$49.484.3★8,587 rev

Homedics Bubble Mate Foot Spa Toe Touch Controlled Foot Bath with Invigorating Bubbles and Splash Proof Raised Massage Nodes and Removable Pumice Stone

Homedics$29.264.4★39,951 rev

ACCOPURO Foot Soaking Tub with Ozone UV Foot Spa Bath Massager with Heat and Bubbles Custom Temp Control Pressure Rollers for Tired Feet Gift Set for Parents Couples (Black)

ACCOPURO$69.704.5★29 rev

MODILIC Foot Soaking Tub Foot Spa Bath Massager with Heat Epsom Salt Bubbles Vibration and Red Light Foot Soaker Birthday Gifts for Mom Dad Women Men Her Him

MODILIC$58.984.4★46 rev

Newest

by launch date

MODILIC Foot Soaking Tub Foot Spa Bath Massager with Heat Epsom Salt Bubbles Vibration and Red Light Foot Soaker Birthday Gifts for Mom Dad Women Men Her Him

MODILIC$58.9846 rev

4mo ago

ACCOPURO Foot Soaking Tub with Ozone UV Foot Spa Bath Massager with Heat and Bubbles Custom Temp Control Pressure Rollers for Tired Feet Gift Set for Parents Couples (Black)

ACCOPURO$69.7029 rev

4mo ago

SPA4PIEDS$50.052,023 rev

3y ago

Medical king Foot Spa Massager with Heat 14 Rollers in Foot Shape - 5 in 1 Foot Bath Massager - Adjustable Heating Bubbles Vibration Pumice Stone Mini Massage Points

Medical king$49.488,587 rev

5y ago

Homedics Bubble Mate Foot Spa Toe Touch Controlled Foot Bath with Invigorating Bubbles and Splash Proof Raised Massage Nodes and Removable Pumice Stone

Homedics$29.2639,951 rev

8y ago

What buyers say about medical king foot spa

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money12%

“Good product for the price”

Quality-Overall11%

“Build Quality: Its sturdy, easy to fill, and most importantly easy to empty without making a mess”

Heating Element8%

“The heat works well and stays consistent, which I really like”

Comfort-Overall6%

“Comfortable”

Massage Quality6%

“This foot massage tube is good”

Ease Of Use5%

“Very easy to use”

Soothing Effect5%

“Very relaxing”

Water Resistance3%

“The temperature display makes it so easy to control the water temperature, I also like the UV and O3 sterilize ability”

Weight Light2%

“Light weight and easy to carry”

Ease Of Cleaning2%

“Easy to clean”

What buyers complain about

Heating25%

“Doesn't heat water”

Value For Money7%

“Not a good value”

Advertised Vs Actual Product6%

“Inaccurate product description”

Temperature Retention5%

“the water does not stay warm”

Durability5%

“already broke within one month”

Quality-Overall5%

“Quality of the tub is not as expected”

Product Condition4%

“Arrived Used”

Water Resistance3%

“Does not keep water heated”

Salt Content3%

“salt particles in it”

Temperature Control3%

“Temperature retention is very poor”

Top return reasons

Heating23%

Advertised Vs Actual Product13%

Salt Content13%

Functionality-Overall11%

Warmth5%

Size-Overall4%

Product Condition4%

Massage Quality3%

Quality-Overall3%

Value For Money3%

Common questions

Is medical king foot spa profitable to sell on Amazon United States?: The niche generates $34K/yr across 5 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +15.1%. Flapen's verdict: Skip it (34/100).
How competitive is the medical king foot spa niche?: 5 brands and 10 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in medical king foot spa?: Top complaints mined from reviews: Heating, Value For Money, Advertised Vs Actual Product. The return rate is 4.8%.
When does demand for medical king foot spa peak?: Demand peaks in Dec; the busiest month runs 5.8× the quietest.
What does it cost to enter the medical king foot spa niche?: Listings span $29.26–$69.70; the average listing price is $51.50 (sweet spot $15–$100). The average incumbent carries 10,127 reviews — the moat a new listing must climb.