- Flapen Score
- 34 / 100Ranks 7,175 of 8,101 Sports & Outdoors niches · −13 vs the category median of 4734
- Market size
- $423K/yr379K searches / yr
- 90-day growth
- -16.0%search demand this quarter
- Competition
- 72%top-5 click share · 14 brands · 31 sellers
Flapen Score
Cardio against its category
The dotted line is the Sports & Outdoors average. Past it, Cardio is stronger. Inside it, weaker.
Market
The Cardio market on Amazon at a glance
Shoppers on Amazon United States searched for Cardio 379K times last year and spent an estimated $423K. The top 5 brands take 81% of clicks. Demand peaks in Jan–Feb–Dec. Flapen scores it 34 out of 100, a Fail.
01 · Demand
An estimated 0.9% of those searches ended in a purchase.
Shoppers searched for this 379K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.9% of those searches ended in a purchase. Searches in the last 90 days moved -16.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $423K a year.
- Searches, last 12 months
- 379K
- Growth, 90 days vs prior 90
- -16.0%
- Conversion, latest week
- 0.9%
- Market size, estimated
- $423Ka year
- Peak month
- January2.3× the quietest month
- Top search term
- cardio95K searches a year
02 · Price
A sale here is worth $125.47.
Listings sell for $125.47 on average, from $19.67 to $468.46. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $125.47 that is $13K to $31K a year per listing.
- Average price
- $125.47above the $15 to $100 sweet spot
- Price range
- $19.67–$468.46
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $13K–$31K
- Returns
- 3.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #19 within Cardio Training. It carries 14,801 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #19in Cardio Training
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 14,801per listing
- Listings tracked
- 18
04 · Newcomers
3 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 35 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 3
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 35 months
Products
Top Cardio products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
KardiaMobile 1-Lead EKG Monitor Medical-Grade FDA-Cleared Personal Heart Monitor Detects Normal AFib & Arrhythmias 30 Second Results Works with Most Smartphones HSA&FSA Eligible
- Price
- $73.89
- Rating
- 4.4/5
- Reviews
- 83,279
- Age
- 10y ago

YOSUDA Magnetic Rowing Machine for Home Quiet & Smooth Full Body Workout Rower App Connected Cardio Equipment Apartment-Friendly Indoor Fitness Machine
- Price
- $192.53
- Rating
- 4.4/5
- Reviews
- 1,976
- Age
- 3y ago

YOSUDA Exercise Bike Brake Pad Stationary Bike for Home with Exclusive App Magnetic Indoor Cycling Bike with 300 lb Weight Capacity Low Noise Tablet Holder and Fitness Courses for Weight Loss Friction-Black
- Price
- $189.07
- Rating
- 4.4/5
- Reviews
- 25,045
- Age
- 3y ago

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
- Price
- $95.47
- Rating
- 4.4/5
- Reviews
- 6,347
- Age
- 2y ago

ProsourceFit Exercise Balance Pad Non-Slip Cushioned Foam Mat & Knee Pad for Fitness and Stability Training Yoga Physical Therapy 15.5x12.75 Blue
- Price
- $23.63
- Rating
- 4.8/5
- Reviews
- 16,937
- Age
- 8y ago
Trending
estimated 90-day click momentum
NEWBULIG Exercise Bike with APP Stationary Bikes for Home Workout Bike for Adults & Seniors Cycle Machine Adjustable Height and Resistance Low Noise 265lbs Weight Capacity Black Blue
- Price
- $113.00
- Rating
- 4.6/5
- Reviews
- 88
- Age
- 4mo ago

Sunny Health & Fitness Upright Magnetic Elliptical Exercise Machine w/Pulse Sensor for Full Body Cross Training Cardio Machine for Home Optional Long Stride via Bluetooth and App Access Black
- Price
- $468.46
- Rating
- 4.1/5
- Reviews
- 20,018
- Age
- 2y ago

Rawaild Yoga Stick Upgraded 5ft Sturdy Steel Mobility Stick Adjustable Exercise Equipment for Stretching Flexibility & Balance Physical Therapy & Posture Correction Shoulder & Back Relaxation
- Price
- $27.33
- Rating
- 4.6/5
- Reviews
- 91
- Age
- 7mo ago

WKNNOXT Cordless Battle Ropes (2-Pack) Portable Workout Ropes for HIIT Workouts Cardio & Muscle Training Low-Impact Cardio Training Home Gym Equipment for Men & Women(1.9LB x 2) (1.8LB*2)
- Price
- $27.55
- Rating
- 4.3/5
- Reviews
- 230
- Age
- 1y ago

YOSUDA Magnetic Rowing Machine for Home Quiet & Smooth Full Body Workout Rower App Connected Cardio Equipment Apartment-Friendly Indoor Fitness Machine
- Price
- $192.53
- Rating
- 4.4/5
- Reviews
- 1,976
- Age
- 3y ago
Newest
by launch date
NEWBULIG Exercise Bike with APP Stationary Bikes for Home Workout Bike for Adults & Seniors Cycle Machine Adjustable Height and Resistance Low Noise 265lbs Weight Capacity Black Blue
- Price
- $113.00
- Rating
- 4.6/5
- Reviews
- 88
- Age
- 4mo ago

Rawaild Yoga Stick Upgraded 5ft Sturdy Steel Mobility Stick Adjustable Exercise Equipment for Stretching Flexibility & Balance Physical Therapy & Posture Correction Shoulder & Back Relaxation
- Price
- $27.33
- Rating
- 4.6/5
- Reviews
- 91
- Age
- 7mo ago

GLYLF Vibration Plate Exercise Machine 130 Levels Full Body Workout Vibrating Plate for Lymphatic Drainage Weight Loss 450 Lbs Capacity Shake Platform with Resistance Bands Bluetooth for Women Men
- Price
- $83.07
- Rating
- 4.6/5
- Reviews
- 1,614
- Age
- 11mo ago

YPOO Rowing Machine for Home 350 LB Capacity 16-Level Silent Resistance Magnetic Rowing Machines for Home Foldable Full-Body Workout Compact Rowing Machine for Cardio & Strength with APP Support
- Price
- $170.64
- Rating
- 4.5/5
- Reviews
- 311
- Age
- 1y ago

WKNNOXT Cordless Battle Ropes (2-Pack) Portable Workout Ropes for HIIT Workouts Cardio & Muscle Training Low-Impact Cardio Training Home Gym Equipment for Men & Women(1.9LB x 2) (1.8LB*2)
- Price
- $27.55
- Rating
- 4.3/5
- Reviews
- 230
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.
Brands
14 falling
Sellers
31
Est. top-5 brand share
81%
Top 20: 100%
Est. top-5 click share
72%
Top 20: 100%
Open market
16%
- AliveCor31%
- YOSUDA29%
- Sunny Health & Fitness10%
- GUGTTR7%
- ProsourceFit5%
- Prodigen3%
- Open — no brand owns it (8 brands, 16%)
Demand
Cardio search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.3×
Search terms
Top Cardio search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- cardio95K/yr
- cardio machines for home51K/yr
- cardio machine42K/yr
- knee exercise equipment29K/yr
- leg strengthening equipment22K/yr
- senior exercise equipment24K/yr
- elderly exercise equipment16K/yr
- exercise equipment for legs14K/yr
- home cardio9K/yr
- cardio machines7K/yr
Reviews and returns
What reviews say buyers love and hate about Cardio
We read the reviews and the return reasons for every product selling here.
“Broke after a few weeks”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Cardio questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









