core ball beachbody 4 weeks for everybody
Skip itA small market ($40K/yr) — this niche doesn't clear our bar today.
Conversion
Great10.6%search→purchase rate — share of searches ending in a sale
Price range
Good$5.54–$38.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$13.97avg listing price — sweet spot $15–$100
Returns
Good2.6%return rate — above 6% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Review moat
Bad7,169.28avg incumbent reviews — the moat a new listing must climb
Growth
Bad-12.3%90-day search growth — must beat 0% to launch
Market size
Bad$40K$40K/yr · 27K searches
Competition
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
15
Top-5 brand share
83%
Open market
13%
- Trideer30%
- ProBody Pilates18%
- KEEP14%
- BODi13%
- kisnbld8%
- Core Balance4%
- Open — no brand owns it (5 brands, 13%)
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 18 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
KEEP Pilates Ball Small- Balance Yoga Balls for Working Out Fitness Ball for Core Strength and Physical Therapy 25cm Pale Green
KEEP$7.354.4★533 rev
BODi Core Ball for Core Strengthening 8 Small Exercise Ball Lightweight Durable Inflatable Home Gym Workout Equipment for Yoga Pilates Fitness Inflation Straw and Plug Included Silver
BODi$9.234.4★377 rev
ProBody Pilates Exercise Ball - Multiple Sizes Gym Grade Balance Ball for Fitness Workout Pregnancy & Physical Therapy Stability Yoga Ball Chair (Blue 65cm)
ProBody Pilates$18.634.5★12,390 rev
Trideer 9-Inch Pilates Ball Small Exercise Ball for Yoga Core Training Physical Therapy Balance Stability and Stretching Pilates Equipment with Inflation Straw
Trideer$9.034.5★12,033 rev
Newest
by launch date
MANTRA SPORTS Exercise Ball Yoga Ball for Pilates & Fitness - Birthing for Pregnancy Stability Core Balance Therapy for Physical Rehab Workout for Home Gym & Office Chair Fast Pump Included
MANTRA SPORTS$17.392,399 rev
Amazon Basics 9-Inch Mini Anti-Burst Exercise Ball for Yoga Pilates Core Training Aqua
Amazon Basics$8.43471 rev
jjshund Pilates Ball 9 8 Inch Purple Small Exercise Mini Soft Workout Yoga Ball with Exercise Guide for Home Gym Yoga Pilates Core Training Workout Balance Stability
jjshund$5.54839 rev
kisnbld Small Exercise Ball 9 Inch Mini Pilates Ball Anti Burst and Slip Resistant Mini Yoga Ball for Stability Fitness Physical Therapy Stretching & Core Strength Workout at Home Gym & Office
kisnbld$8.172,533 rev
BODi Core Ball for Core Strengthening 8 Small Exercise Ball Lightweight Durable Inflatable Home Gym Workout Equipment for Yoga Pilates Fitness Inflation Straw and Plug Included Silver
BODi$9.23377 rev
Trending
90-day click momentumMANTRA SPORTS Exercise Ball Yoga Ball for Pilates & Fitness - Birthing for Pregnancy Stability Core Balance Therapy for Physical Rehab Workout for Home Gym & Office Chair Fast Pump Included
MANTRA SPORTS$17.394.7★
ProBody Pilates Yoga Ball - Fresh Colors Exercise Ball for Stability Pregnancy Workout Physical Therapy & Birthing Balance Ball Chair (Sky 65 cm)
ProBody Pilates$19.994.5★
Core Balance Exercise Ball for Workouts Anti-Burst and Slip Resistant Swiss Yoga Ball for Pregnancy Stability Fitness and Physical Therapy 4 Sizes with Pump (22 / 55cm Teal)
Core Balance$16.944.6★
APEXUP Yoga Ball 660 lbs Anti-Burst Exercise Ball with Pump 5 Sizes (L (23~26) 65cm Black)
APEXUP$16.904.6★
ProBody Pilates Exercise Ball - Multiple Sizes Gym Grade Balance Ball for Fitness Workout Pregnancy & Physical Therapy Stability Yoga Ball Chair (Blue 65cm)
ProBody Pilates$18.634.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.3% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Decent Quality”
“Nice inflatable device”
“As advertised”
“Good Exercise Ball”
“Good for the price”
“Good size”
“Easy to use”
“It has held up”
“should work for my needs”
“It is comfortable for stretching”
What buyers complain about
“Keeps deflating”
“SIZING RUNS SMALL”
“did not last”
“Bad quality”
“Leaks air”
“Not as easy as it looks”
“Sticky ball”
“Questionable material”
“doesn't work very well”
“I wish it was a little more sturdy”