cubii
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size
Great$873K$873K/yr · 228K searches
Avg price
Good$130.95avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Price range
Okay$38.45–$241.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay3,800.22avg incumbent reviews — the moat a new listing must climb
Returns
Okay5.9%return rate — above 6% kills the launch gate
Growth
Bad-17.4%90-day search growth — must beat 0% to launch
Competition
Bad87%top-5 click share — a locked-up shelf
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cubii is a $873K/yr Amazon United States market (228K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 34/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
cubii market data
- Units sold / yr
- 5K–6K
- avg 500–750/product
- Revenue / yr
- $655K–$786K
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 2.9%
- Avg BSR
- #24
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 34 months
- Avg seller age
- 209 days
Competition & brand share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 rising
Sellers
20
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
0%
- Cubii57%
- GUGTTR30%
- ANCHEER7%
- MERACH2%
- FITKS3602%
- Putnen2%
- Open — no brand owns it (0%)
Top cubii search terms
- cubii under desk elliptical56K/yr
- cubii68K/yr
- cubi23K/yr
- cubii exerciser for seniors20K/yr
- cubie12K/yr
- qubii elliptical7K/yr
- cubii jr25K/yr
- cubbi6K/yr
- cubii move4K/yr
- qubii6K/yr
Top cubii 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GUGTTR Under Desk Elliptical Machine Electric Elliptical Leg Exerciser for Seniors Fully Assembled Quiet & Portable Electric Seated Pedal Exerciser with Remote Control & 12 Adjustable Speeds
GUGTTR$95.474.4★6,347 rev
Cubii JR1 Under Desk Elliptical Bike Pedal Exerciser Seated Elliptical Work from Home Fitness Mini Elliptical Machines for Home Use Exerciser for Seniors Desk Exercise Aqua
Cubii$166.124.6★16,991 rev
Cubii Move - Under Desk Elliptical Bike Pedal Exerciser Portable Seated Elliptical Machine W/Adjustable Workout Levels - Adult to Seniors
Cubii$139.574.3★1,129 rev
Cubii GO Under Desk Elliptical Bike Portable Low Impact Leg Exerciser for Home and Office | Compact Exercise Machine with 10 Resistance Levels LCD Display & App Tracking
Cubii$216.684.5★1,086 rev
Cubii Total Body Under Desk Elliptical Bike with Built-in Upper Body Resistance Bands | Seated Exercise Machine - Arms + Legs Workout for Seniors & All Ages 12 Resistance Levels LCD Display
Cubii$241.374.4★468 rev
Newest
by launch date
MERACH Under Desk Elliptical Machine Leg Exerciser While Sitting for Seniors with Remote Control & 12-Speeds Quiet Portable Electric Seated Pedal Exerciser Machine for Home Office (Black)
MERACH$93.651,105 rev
FITKS360 Under Desk Elliptical & Mini Exercise Bike Seated Electric Leg Exerciser & Magnetic Pedal Machine for Seniors Arms & Legs Workout with Remote LCD Display & 5 Adjustable Resistance/Speeds
FITKS360$38.45371 rev
Cubii Total Body Under Desk Elliptical Bike with Built-in Upper Body Resistance Bands | Seated Exercise Machine - Arms + Legs Workout for Seniors & All Ages 12 Resistance Levels LCD Display
Cubii$241.37468 rev
Putnen Under Desk Elliptical Machine Electric Elliptical Leg Exerciser for Seniors with 12 Adjustable Portable Quiet Elliptical Exercise Machine Seated Pedal Exerciser with Remote Control (Orange)
Putnen$105.675,707 rev
Cubii GO Under Desk Elliptical Bike Portable Low Impact Leg Exerciser for Home and Office | Compact Exercise Machine with 10 Resistance Levels LCD Display & App Tracking
Cubii$216.681,086 rev
Trending
90-day click momentumFITKS360 Under Desk Elliptical & Mini Exercise Bike Seated Electric Leg Exerciser & Magnetic Pedal Machine for Seniors Arms & Legs Workout with Remote LCD Display & 5 Adjustable Resistance/Speeds
FITKS360$38.453.9★
ANCHEER Under Desk Elliptical Electric Ellipse Leg Exerciser While Sitting for Seniors Adults Quiet Portable Motorized Seated Foot Pedal Exerciser with Remote Control for Home Office Use
ANCHEER$81.584.5★
MERACH Under Desk Elliptical Machine Leg Exerciser While Sitting for Seniors with Remote Control & 12-Speeds Quiet Portable Electric Seated Pedal Exerciser Machine for Home Office (Black)
MERACH$93.654.5★
GUGTTR Under Desk Elliptical Machine Electric Elliptical Leg Exerciser for Seniors Fully Assembled Quiet & Portable Electric Seated Pedal Exerciser with Remote Control & 12 Adjustable Speeds
GUGTTR$95.474.4★
Cubii JR1 Under Desk Elliptical Bike Pedal Exerciser Seated Elliptical Work from Home Fitness Mini Elliptical Machines for Home Use Exerciser for Seniors Desk Exercise Aqua
Cubii$166.124.6★
What buyers say about cubii
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to handle”
“Excellent Product”
“It makes no noise”
“Item works very well”
“Very nice exercise”
“As advertised”
“Great value for the price”
“Lightweight easy to move”
“Now I have less pain”
“Smooth”
What buyers complain about
“Broke after two weeks”
“not a feature”
“Noisy”
“Instructions are terrible”
“slips forward when using it”
“ineffective for exercise”
“it's kind of heavy”
“there seems to be a consistency or quality control issue”
“Priced high”
“Not that is not usable”
Top return reasons
Common questions
- Is cubii profitable to sell on Amazon United States?
- The niche generates $873K/yr across 9 tracked products. 90-day search growth is -17.4%. Flapen's verdict: Skip it (34/100).
- How competitive is the cubii niche?
- 6 brands and 20 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in cubii?
- Top complaints mined from reviews: Durability, Functionality-Overall, Noise Level. The return rate is 5.9%.
- What does it cost to enter the cubii niche?
- Listings span $38.45–$241.37; the average listing price is $130.95 (sweet spot $15–$100). The average incumbent carries 3,800 reviews — the moat a new listing must climb.