balance ball
Skip itSoft demand (-6.3% this quarter) — this niche doesn't clear our bar today.
Market size
Incredible$2.5M$2.5M/yr · 1.5M searches
Avg price
Great$64.77avg listing price — sweet spot $15–$100
Price range
Good$17.56–$147.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.2%return rate — above 6% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Review moat
Bad6,468.69avg incumbent reviews — the moat a new listing must climb
Growth
Bad-6.3%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
23
Top-5 brand share
85%
Open market
12%
- Trideer40%
- BOSU19%
- VEVOR17%
- Soluxy4%
- kisnbld4%
- Lifepro4%
- Open — no brand owns it (4 brands, 12%)
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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Trideer Exercise Ball for Yoga Pilates & Fitness Stability Ball Equipment for Home Gym & Office Chair Core & Balance Training Accessories Physical Therapy Equipment Quick Pump Included 5 Sizes
Trideer$17.564.6★44,980 rev
VEVOR 23-inch Half Exercise Ball Trainer 660 lbs Capacity Balance Ball Includes Resistance Bands and Pump Ideal for Full Body Workouts Yoga and Strength Training at Home Gym Blue2
VEVOR$41.614.5★280 rev
Bosu Balance Ball Exercise Trainer Home Gym Equipment w/ Guided Workouts & Pump 26 Blue - Inflatable Fitness Platform for Strength Training Standing Balancing and Core Workout
BOSU$128.284.5★10,139 rev
VEVOR 23-inch Half Exercise Ball Trainer 660 lbs Capacity Balance Ball Includes Resistance Bands and Pump Ideal for Full Body Workouts Yoga and Strength Training at Home Gym Black
VEVOR$39.974.4★124 rev
BOSU 26 Inch Pro Balance Trainer Half Ball Multifunctional Workout Equipment Commercial-Grade Home Gym Stability Dome for Exercise and Training with Guided Workouts and Hand Pump
BOSU$146.474.6★3,528 rev
Newest
by launch dateVEVOR 23-inch Half Exercise Ball Trainer 660 lbs Capacity Balance Ball Includes Resistance Bands and Pump Ideal for Full Body Workouts Yoga and Strength Training at Home Gym Black
VEVOR$39.97124 rev
Half Balance Ball Trainer - 23 Inch Half Exercise Ball for Workout Physical Therapy Yoga Home Gym Core Strength Stability Fitness Balance Training Equipment with Resistance Bands Foot Pump
Soluxy$47.5727 rev
kisnbld Half Balance Ball Trainer Inflatable 19/23 Inch Half Exercise Ball with Resistance Bands and Pilates Bal Non-Slip 660lbs Capacity Yoga Ball for Home Gym Full Body Workouts
kisnbld$59.2771 rev
kisnbld Half Balance Ball Trainer Inflatable 19/23 Inch Half Exercise Ball with Resistance Bands and Pilates Bal Non-Slip 660lbs Capacity Yoga Ball for Home Gym Full Body Workouts
kisnbld$58.4071 rev
VEVOR 23-inch Half Exercise Ball Trainer 660 lbs Capacity Balance Ball Includes Resistance Bands and Pump Ideal for Full Body Workouts Yoga and Strength Training at Home Gym Blue2
VEVOR$41.61280 rev
Trending
90-day click momentumTrideer Exercise Ball for Yoga Pilates & Fitness Stability Ball Equipment for Home Gym & Office Chair Core & Balance Training Accessories Physical Therapy Equipment Quick Pump Included 5 Sizes
Trideer$17.564.6★
kisnbld Half Balance Ball Trainer Inflatable 19/23 Inch Half Exercise Ball with Resistance Bands and Pilates Bal Non-Slip 660lbs Capacity Yoga Ball for Home Gym Full Body Workouts
kisnbld$58.404.4★
kisnbld Half Balance Ball Trainer Inflatable 19/23 Inch Half Exercise Ball with Resistance Bands and Pilates Bal Non-Slip 660lbs Capacity Yoga Ball for Home Gym Full Body Workouts
kisnbld$59.274.4★
Trideer Exercise Ball Stability Yoga Ball for Physical Therapy Active Sitting Pregnancy & Birth Labor Prep Core Strength Balance Training Posture Improvement and Daily Stretching 55/65/75cm
Trideer$18.494.6★
Half Balance Ball Trainer - 23 Inch Half Exercise Ball for Workout Physical Therapy Yoga Home Gym Core Strength Stability Fitness Balance Training Equipment with Resistance Bands Foot Pump
Soluxy$47.574.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -6.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Quality”
“Good value”
“My balance is improving”
“Great Exercise Ball”
“As advertised”
“with an easy to use pump”
“The simplicity of inflating the ball was amazing”
“It has held up”
“It's worked great for my purpose”
“Good size”
What buyers complain about
“Will not stay inflated”
“its got a leak”
“Not true to size”
“Broke within a month”
“Poor quality control”
“they are quite expensive”
“Not functional”
“The balance ball doesnt hold air”
“Mine was extremely lopsided despite following instructions”
“difficult to use”