shoulder reliever ball swing
Skip itSoft demand (-52.7% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$48.65avg listing price — sweet spot $15–$100
Returns
Good2.4%return rate — above 5% kills the launch gate
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Price range
Good$13.48–$157.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$417K$417K/yr · 160K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad4,442.2avg incumbent reviews — the moat a new listing must climb
Growth
Bad-52.7%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, shoulder reliever ball swing is a $417K/yr Amazon United States market (160K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
shoulder reliever ball swing market data
- Units sold / yr
- 4K–5K
- avg 500–750/product
- Revenue / yr
- $195K–$243K
- units × avg price
- Conversion rate
- 5.3%
- Avg BSR
- #69
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 11.1%
- Avg brand age
- 52 months
- Avg seller age
- 162 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
7
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- SHOULDERreliever64%
- THERABAND18%
- Keepark8%
- Vive6%
- Kikeep4%
Demand
Weekly Amazon search volume, last 34 weeks — -52.7% search growth over the last 90 days.Top shoulder reliever ball swing search terms
- shoulder reliever68K/yr
- shoulder reliever ball swing77K/yr
- shoulder ball swing therapy5K/yr
- the shoulder reliever4K/yr
- shoulder reliever ball swing exerciser kit3K/yr
- shoulder reliever system4K/yr
Top shoulder reliever ball swing 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 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Dr. Carrolls ShoulderReliever System - Physician-Developed Solution For Shoulder Pain Relief & Health - Relieve Bursitis Reduce Impingement Heal Frozen Shoulder - Rotator Cuff Tear Rehabilitation
SHOULDERreliever$157.004.4★91 rev
THERABAND Shoulder Pulley Over-the-Door Rehab System with Foam Handles Adjustable Rope & Color Markings for Range of Motion & Home Therapy Physical Therapy Equipment for Shoulder Rehab 1 count
THERABAND$20.944.4★1,283 rev
Arm Workout Equipment 360 Shoulder Reliever Ball Swing Upper Body Workout Equipment Rotating Ropeless Battle Rope Arm Trainer for Forearm Chest Shoulder & Wrist Strength for Men & Women - White
Keepark$37.824.8★19 rev
Vive Shoulder Pulley for Physical Therapy - Rotator Cuff Pain Pulley System - Over Door Rehab Exerciser - with Durable Metal Pulley & Comfortable Padded Handles
Vive$13.484.5★20,803 rev
Kikeep Exercise Ball for Shoulder Pain Outdoor Fitness Hand Throwing Ball Stretch Arm and Shoulder Joints
Kikeep$13.994.6★15 rev
Newest
by launch dateKikeep Exercise Ball for Shoulder Pain Outdoor Fitness Hand Throwing Ball Stretch Arm and Shoulder Joints
Kikeep$13.9915 rev
Arm Workout Equipment 360 Shoulder Reliever Ball Swing Upper Body Workout Equipment Rotating Ropeless Battle Rope Arm Trainer for Forearm Chest Shoulder & Wrist Strength for Men & Women - White
Keepark$37.8219 rev
Dr. Carrolls ShoulderReliever System - Physician-Developed Solution For Shoulder Pain Relief & Health - Relieve Bursitis Reduce Impingement Heal Frozen Shoulder - Rotator Cuff Tear Rehabilitation
SHOULDERreliever$157.0091 rev
Vive Shoulder Pulley for Physical Therapy - Rotator Cuff Pain Pulley System - Over Door Rehab Exerciser - with Durable Metal Pulley & Comfortable Padded Handles
Vive$13.4820,803 rev
THERABAND Shoulder Pulley Over-the-Door Rehab System with Foam Handles Adjustable Rope & Color Markings for Range of Motion & Home Therapy Physical Therapy Equipment for Shoulder Rehab 1 count
THERABAND$20.941,283 rev
Trending
90-day click momentumTHERABAND Shoulder Pulley Over-the-Door Rehab System with Foam Handles Adjustable Rope & Color Markings for Range of Motion & Home Therapy Physical Therapy Equipment for Shoulder Rehab 1 count
THERABAND$20.944.4★
Kikeep Exercise Ball for Shoulder Pain Outdoor Fitness Hand Throwing Ball Stretch Arm and Shoulder Joints
Kikeep$13.994.6★
Arm Workout Equipment 360 Shoulder Reliever Ball Swing Upper Body Workout Equipment Rotating Ropeless Battle Rope Arm Trainer for Forearm Chest Shoulder & Wrist Strength for Men & Women - White
Keepark$37.824.8★
Dr. Carrolls ShoulderReliever System - Physician-Developed Solution For Shoulder Pain Relief & Health - Relieve Bursitis Reduce Impingement Heal Frozen Shoulder - Rotator Cuff Tear Rehabilitation
SHOULDERreliever$157.004.4★
Vive Shoulder Pulley for Physical Therapy - Rotator Cuff Pain Pulley System - Over Door Rehab Exerciser - with Durable Metal Pulley & Comfortable Padded Handles
Vive$13.484.5★
What buyers say about shoulder reliever ball swing
What buyers praise and complain about, mined from review topics.What buyers love
“This is beautifully made”
“Easy to use”
“does it work”
“As advertised”
“good value”
“This exercise ball is fantastic”
“The grip is comfortable”
“have experienced some reduction in chronic shoulder aches”
“the tension is adjustable”
“easy install it”
What buyers complain about
“Not only does the product not help cure pain”
“A bit pricey”
“The Kikeep is not as well-made”
“Flimsy”
“Did't work for me”
“no instructions”
“not mentioned in the advertising”
“Just not as smooth”
“Hard to close door”
“which by the way is severely uncomfortable”
Top return reasons
Common questions
- Is shoulder reliever ball swing profitable to sell on Amazon United States?
- The niche generates $417K/yr across 5 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -52.7%. Flapen's verdict: Skip it (34/100).
- How competitive is the shoulder reliever ball swing niche?
- 5 brands and 7 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in shoulder reliever ball swing?
- Top complaints mined from reviews: Pain Relief-Overall, Value For Money, Quality-Overall. The return rate is 2.4%.
- What does it cost to enter the shoulder reliever ball swing niche?
- Listings span $13.48–$157.00; the average listing price is $48.65 (sweet spot $15–$100). The average incumbent carries 4,442 reviews — the moat a new listing must climb.