Is cube tap profitable to sell on Amazon United States?

The niche generates $34K/yr across 15 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -0.1%. Flapen's verdict: Skip it (37/100).

How competitive is the cube tap niche?

10 brands and 19 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 88% of demand.

What do buyers complain about in cube tap?

Top complaints mined from reviews: Socket/Port/Plug, Size-Overall, Durability. The return rate is 1.4%.

When does demand for cube tap peak?

Demand peaks in Nov–Dec; the busiest month runs 1.9× the quietest.

What does it cost to enter the cube tap niche?

Listings span $4.63–$20.18; the average listing price is $10.12 (sweet spot $15–$100). The average incumbent carries 3,545 reviews — the moat a new listing must climb.

cube tap

Skip it

A small market ($34K/yr) — this niche doesn't clear our bar today.

Conversion

Incredible15.7%

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

Returns

Great1.4%

return rate — above 5% kills the launch gate

Avg price

Okay$10.12

avg listing price — sweet spot $15–$100

Price range

Okay$4.63–$20.18

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

Review moat

Okay3,545.13

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay88%

top-5 brand share — brands hold most of the demand

Growth

Bad-0.1%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad74%

top-5 click share — a locked-up shelf

Market size

Bad$34K

$34K/yr · 22K searches

According to Flapen's Amazon United States niche tracking, cube tap is a $34K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 37/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

cube tap market data

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $51K–$61K; units × avg price
Conversion rate: 15.7%
Avg BSR: #63
Page quality: 0%
Prime: 100%
Sponsored: 60%
Out of stock: 0.0%
Avg brand age: 78 months
Avg seller age: 188 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

Cable Matters42%
K KASONIC23%
Key Power9%
Philips8%
Fosmon6%
PaeorRorL4%
Open — no brand owns it (4 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 86 weeks — -0.1% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 1.9×

Open Trend

Top cube tap search terms

cube tap12K/yr +3.4%12.3% conv.
triple tap4K/yr -2.9%7.3% conv.
tri tap3K/yr +6.5%12.5% conv.
cube tap 3 outlet cube adapter2K/yr -20.6%11.9% conv.

All search terms

Top cube tap 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

[ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter Plug Adapter BLK

Cable Matters$9.844.6★6,658 rev

K KASONIC - 3-Outlet Grounding Adapter [UL Listed] Plug Extender Heavy-Duty Grounded Power Tap - 3 Pack (Black)

K KASONIC$10.694.8★5,426 rev

[ETL Listed] Cable Matters 3-Pack 15A 1875W 3 Way Plug Adapter Black

Cable Matters$10.414.7★2,383 rev

PHILIPS 3-Outlet Extender 2 Pack Grounded Wall Tap 3-Prong Adapter Multiple Plug Power Splitter Cruise Essentials Use for Home Office School Dorm UL Listed White SPS1630W/37

Philips$7.954.7★5,118 rev

[ETL Listed] 3-Pack 3 Outlet Wall Adapter Grounded 3-Prong Cube Tap Outlet Power Splitter Compact 3-Way Plug Adapter for Home Office or Travel.

Key Power$9.724.6★167 rev

Newest

by launch date

[ETL Listed] 3-Pack 3 Outlet Wall Adapter Fosmon Black Outlet Splitter Plug Extender Grounded 3-Prong /2 Prong Cube Tap 3-Way Plug Adapter Cruise Essentials for Home Travel Office- Black

Fosmon$9.3446 rev

4mo ago

[ETL Listed] 3-Pack 3 Outlet Wall Adapter Grounded 3-Prong Cube Tap Outlet Power Splitter Compact 3-Way Plug Adapter for Home Office or Travel (Black).

Key Power$9.55167 rev

6mo ago

[ETL Listed] 3-Pack 3 Outlet Wall Adapter Grounded 3-Prong Cube Tap Outlet Power Splitter Compact 3-Way Plug Adapter for Home Office or Travel.

Key Power$9.72167 rev

11mo ago

Multi Plug Outlet Extender - UL Listed -3 Outlet Wall Adapter -3 Prong Outlet Splitter Cube Tap Plug Extender 3 Way Wall Outlet Adapter Multiple Plug Expander White 2 Pack

PaeorRorL$7.27365 rev

2y ago

PLUGTUL 3 Way Plug Adapter 3 Plug Wall Adapter 3 Prong Grounded 15A 1875W Multiple Plug Expander for Home Outdoor ETL Listed Black 3PACK

PLUGTUL$9.60472 rev

2y ago

What buyers say about cube tap

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

What buyers love

Quality-Overall14%

“Good Quality”

Socket/Port/Plug14%

“also has a bunch of USB ports”

Advertised Vs Actual Product11%

“As advertised”

Ease Of Use8%

“Easy to use”

Value For Money7%

“Great deal”

Size-Overall5%

“The size worked great for my needs”

Charging4%

“Allows me to charge usb devices at a convenient location”

Portability4%

“Very useful for traveling”

Design-Overall3%

“efficient design”

Connectivity-Overall3%

“The connectivity is excellent”

What buyers complain about

Socket/Port/Plug14%

“Ports failed”

Size-Overall11%

“It would be better if they were a tad shorter”

Durability6%

“Broke”

Strength6%

“Extremely weak hold”

Functionality-Overall5%

“Doesn't work proper”

Charging5%

“The USB ports are not fast charging”

Weight Heavy5%

“A bit heavy and bulky”

Design-Overall3%

“design is flawed”

Ease Of Use3%

“hard to turn”

Quality-Overall3%

“POOR QUALITY”

Top return reasons

Size-Overall45%

Socket/Port/Plug9%

Functionality-Overall7%

Compatibility-Overall6%

Advertised Vs Actual Product6%

Value For Money4%

Defective Material/Parts3%

Charging3%

Connectivity-Overall2%

Weight Heavy2%

Common questions

Is cube tap profitable to sell on Amazon United States?: The niche generates $34K/yr across 15 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -0.1%. Flapen's verdict: Skip it (37/100).
How competitive is the cube tap niche?: 10 brands and 19 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in cube tap?: Top complaints mined from reviews: Socket/Port/Plug, Size-Overall, Durability. The return rate is 1.4%.
When does demand for cube tap peak?: Demand peaks in Nov–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the cube tap niche?: Listings span $4.63–$20.18; the average listing price is $10.12 (sweet spot $15–$100). The average incumbent carries 3,545 reviews — the moat a new listing must climb.