Is portable jet spa for bathtub profitable to sell on Amazon United States?

The niche generates $805K/yr across 45 tracked products. 15 of 34 products launched in the last 360 days are still selling. 90-day search growth is -36.4%. Flapen's verdict: Worth a look (59/100).

How competitive is the portable jet spa for bathtub niche?

35 brands and 51 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 45% of demand.

What do buyers complain about in portable jet spa for bathtub?

Top complaints mined from reviews: Suction, Durability, Functionality-Overall. The return rate is 3.6%.

When does demand for portable jet spa for bathtub peak?

Demand peaks in Mar; the busiest month runs 3.9× the quietest.

What does it cost to enter the portable jet spa for bathtub niche?

Listings span $25.94–$177.57; the average listing price is $71.76 (sweet spot $15–$100). The average incumbent carries 358 reviews — the moat a new listing must climb.

portable jet spa for bathtub

Worth a look

Shows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Brand share

Great45%

top-5 brand share — no brand owns this niche

Avg price

Great$71.76

avg listing price — sweet spot $15–$100

Review moat

Great358.09

avg incumbent reviews — the moat a new listing must climb

Competition

Great36%

top-5 click share — an open shelf

Market size

Good$805K

$805K/yr · 831K searches

Price range

Okay$25.94–$177.57

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

Returns

Okay3.6%

return rate — above 5% kills the launch gate

Conversion

Bad1.4%

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

Growth

Bad-36.4%

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

Signals No Dominant Brand Low Review Barrier Quality Gap High Price

According to Flapen's Amazon United States niche tracking, portable jet spa for bathtub is a $805K/yr Amazon United States market (831K searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Mar. Verdict: Worth a look — 59/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

portable jet spa for bathtub market data

Units sold / yr: 10K–13K; avg 100–250/product
Revenue / yr: $718K–$897K; units × avg price
Conversion rate: 1.4%
Avg BSR: #1,354
Page quality: 0%
Prime: 100%
Sponsored: 98%
Out of stock: 8.9%
Avg brand age: 38 months
Avg seller age: 151 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

35 rising

Sellers

Top-5 brand share

45%

Top 20: 86%

Top-5 click share

36%

Top 20: 76%

Open market

51%

DOWENTO12%
KokoSelene10%
Conair10%
MOMFANN8%
MightyKitten5%
Ozyalo4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -36.4% search growth over the last 90 days.

Peak months: Mar · busiest ÷ quietest = 3.9×

Open Trend

Top portable jet spa for bathtub search terms

bath jets for tub126K/yr -39.8%1.9% conv.
bathtub jets for tub72K/yr -23.4%1.4% conv.
bath jet67K/yr -37.7%1.8% conv.
jets for bathtub45K/yr -24.7%0.8% conv.
bathtub jet55K/yr -55.0%1.3% conv.
bath spa47K/yr -34.1%0.7% conv.
tub jets for bathtub45K/yr -37.5%0.8% conv.
bathtub jets32K/yr -30.9%0.8% conv.
bath tub jet36K/yr -40.9%1.4% conv.
portable jet spa for bathtub36K/yr -32.3%0.8% conv.

All search terms

Top portable jet spa for bathtub 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Bath Jets for Tub with Jet Massage and Bubble Mode Bathtub Jets for Tub with 360 Rotatable Single and Dual Nozzles the Lever-lock Suction Cups and Handle. Jets for Bathtub at Home for Relaxation

DOWENTO$70.244.1★84 rev

Conair Jet Hydro Spa - Portable Bath Spa with Dual Hydro Jets for Tub - Bath Spa Jet for Tub Creates Soothing Bubbles and/or Massage - Spa Bath for At Home Use

Conair$78.563.9★2,509 rev

MOMFANN Bath Jet Spa Bath Jet/Bubble Mode Cordless Portable Bathtub Accessories with 3-Level Adjustable Speed Bathtub Jets for Home Spa Relaxing (Blue)

MOMFANN$67.163.4★405 rev

KokoSelene Bath Jets for Tub Portable Bath Spa for Bathtub with Dual Hydro Jets Bathtub Spa Machine Creates Soothing Bubbles for Daily Relax at Home Use (Blue)

KokoSelene$56.023.9★215 rev

Bath Pillow Bathtub Pillow Luxury Bath Pillows for Tub Neck and Back Support Bath Tub Pillow Headrest with Soft 4D Mesh Fabric and Non-Slip Suction Cups Relaxing Bath Accessories Spa Gifts

Ozyalo$25.944.5★4,263 rev

Newest

by launch date

Bath Jets for Tub Portable Cordless Bath Jet Spa for Bathtub with Vacuum-Lock Suction Dual Jet & Bubble Mode 360 Adjustable Water Flow

MightyKitten$58.1113 rev

1w ago

Portable Cordless Bath Jet Spa for Bathtub with Vacuum-Lock Suction

MightyKitten$68.5248 rev

2w ago

DayIn Bath Jets for Tub Cordless Portable Jet Spa for Bathtub 2-Speed Jet & Bubble Mode Type-C Rechargeable 60+ Min Runtime 360Adjustable Water Flow Bath Accessories for Home Spa Stress Relief

DayIn$56.6823 rev

2mo ago

Coepuske Bath Jets for Tub with Jet Massage and Bubble Mode Portable Bath Jets for Tub with 360 Rotatable Nozzles the Lever-Lock Suction Cups 90 dB Jets for Bathtub at Home for Relaxation

Coepuske$55.2712 rev

3mo ago

Bath Jets for Tub Cordless IPX7 Waterproof Mute Rechargeable Bath Jet or Bubble Modes Impact Force 65 kPA Portable Bathtub Accessories for Home Spa Adjustable Speed Full-Body Relaxing (White)

BeiliuDevise$59.8470 rev

4mo ago

What buyers say about portable jet spa for bathtub

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

What buyers love

Comfort-Overall15%

“It's comfortable”

Quality-Overall9%

“Good Quality”

Assembly/Installation6%

“Easy to set up”

Value For Money5%

“Good for the money”

Ease Of Use5%

“Ready to use immediately”

Suction4%

“I like the suction cups”

Advertised Vs Actual Product3%

“Works as advertised”

Charging3%

“It's very easy to charge”

Size-Overall2%

“Perfect size”

Soft Feel2%

“Soft pillow”

What buyers complain about

Suction9%

“The suction cups are pretty weak”

Durability7%

“Broke 2nd use”

Functionality-Overall6%

“it will not turn on”

Noise Level6%

“Very loud”

Charging6%

“will no longer charge”

Strength5%

“Not powerful enough”

Value For Money5%

“Overpriced”

Adhesion/Stickiness4%

“Issue with sticking”

Quality-Overall4%

“The quality is clearly not consistent”

Comfort-Overall3%

“The way my bath hits my neck is awkward”

Top return reasons

Size-Overall17%

Functionality-Overall11%

Suction10%

Advertised Vs Actual Product9%

Strength6%

Adhesion/Stickiness5%

Defective Material/Parts5%

Comfort-Overall5%

Charging4%

Cushion3%

Common questions

Is portable jet spa for bathtub profitable to sell on Amazon United States?: The niche generates $805K/yr across 45 tracked products. 15 of 34 products launched in the last 360 days are still selling. 90-day search growth is -36.4%. Flapen's verdict: Worth a look (59/100).
How competitive is the portable jet spa for bathtub niche?: 35 brands and 51 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 45% of demand.
What do buyers complain about in portable jet spa for bathtub?: Top complaints mined from reviews: Suction, Durability, Functionality-Overall. The return rate is 3.6%.
When does demand for portable jet spa for bathtub peak?: Demand peaks in Mar; the busiest month runs 3.9× the quietest.
What does it cost to enter the portable jet spa for bathtub niche?: Listings span $25.94–$177.57; the average listing price is $71.76 (sweet spot $15–$100). The average incumbent carries 358 reviews — the moat a new listing must climb.