Is sidekick tool muscle scraper profitable to sell on Amazon United States?

The niche generates $108K/yr across 11 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -16.2%. Flapen's verdict: Skip it (39/100).

How competitive is the sidekick tool muscle scraper niche?

8 brands and 10 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in sidekick tool muscle scraper?

Top complaints mined from reviews: Value For Money, Durability, Quality-Overall. The return rate is 2.2%.

When does demand for sidekick tool muscle scraper peak?

Demand peaks in Aug; the busiest month runs 1.6× the quietest.

What does it cost to enter the sidekick tool muscle scraper niche?

Listings span $8.22–$124.19; the average listing price is $57.49 (sweet spot $15–$100). The average incumbent carries 278 reviews — the moat a new listing must climb.

sidekick tool muscle scraper

Skip it

Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.

Avg price

Great$57.49

avg listing price — sweet spot $15–$100

Review moat

Great278

avg incumbent reviews — the moat a new listing must climb

Price range

Good$8.22–$124.19

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Good2.2%

return rate — above 6% kills the launch gate

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.5%

search→purchase rate — share of searches ending in a sale

Market size

Okay$108K

$108K/yr · 76K searches

Growth

Bad-16.2%

90-day search growth — must beat 0% to launch

Competition

Bad82%

top-5 click share — a locked-up shelf

Brand share

Bad94%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, sidekick tool muscle scraper is a $108K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Aug. Verdict: Skip it — 39/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

sidekick tool muscle scraper market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $172K–$230K; units × avg price
Launch success: —; 1 of 4 new (360d)
Conversion rate: 2.5%
Avg BSR: #2,117
Page quality: 0%
Prime: 91%
Sponsored: 64%
Out of stock: 7.7%
Avg brand age: 57 months
Avg seller age: 175 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

SIDEKICK55%
rr ruby+rae22%
WANYIDA8%
I&R5%
addxuyrt4%
Visader2%
Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.2% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 1.6×

Open Trend

Top sidekick tool muscle scraper search terms

sidekick39K/yr -8.5%1.6% conv.
sidekick tool22K/yr -18.5%4.4% conv.
side kick5K/yr -20.0%1.4% conv.
the sidekick tool7K/yr -50.5%3.5% conv.
side kick tool3K/yr -17.9%4.2% conv.

All search terms

Top sidekick tool muscle scraper 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SIDEKICK | AxisBoard Balance Board for Foot & Ankle Rehab | PT Training System with Exercise Programs for Plantar Fasciitis Achilles Pain & Ankle Sprains | Sidekick App + Guide Included

SIDEKICK$83.474.3★85 rev

rr ruby+rae The Sidekick Camera Bag Compact Vegan Leather Hands-Free Crossbody with Protective Suede Interior Black

rr ruby+rae$95.084.5★47 rev

SIDEKICK AxisBoard Rehab & Training System | Balance Board & Physical Therapy Manual for Foot and Ankle Rehab | Recover from Sprains Plantar Fasciitis Achilles Pain

SIDEKICK$80.134.3★248 rev

Ankle Foot Strengthener Exerciser for Sprained Single Leg Balance Board Posture Corrector Foot Stretcher for Plantar Fasciitis Relief

WANYIDA$22.794.4★432 rev

SIDEKICK Echo Muscle Scraper - Steel Gua Sha Tool - w/Patented Anti-Fatigue Grip - Full Kit Included Designed for IASTM to Relieve Neck Shoulder Back and Muscle Pain - (Stainless Steel)

SIDEKICK$123.964.4★95 rev

Newest

by launch date

I&R The Iris Sidekick Tessellate RFID Wallet (#2011) By Iris & Rainbow

I&R$29.710 rev

1mo ago

Adjustable Angle Ankle Axis Balance Board & Strengthener for Ankle Sprain

Visader$17.025 rev

3mo ago

SIDEKICK | AxisBoard Balance Board for Foot & Ankle Rehab | PT Training System with Exercise Programs for Plantar Fasciitis Achilles Pain & Ankle Sprains | Sidekick App + Guide Included

SIDEKICK$83.4785 rev

4mo ago

Ankle Foot Balance Board Quebec Beech Wood Ankle Rehabilitation Strength Training Tool for Sprain Recovery Muscle Injury Relief Side Balance Kick Board Suitable for Seniors Athletes & Adults

addxuyrt$16.877 rev

10mo ago

rr ruby+rae The Sidekick Camera Bag Compact Vegan Leather Hands-Free Crossbody with Protective Suede Interior Black

rr ruby+rae$95.0847 rev

1y ago

What buyers say about sidekick tool muscle scraper

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall20%

“It's quality is top-notch, and the visual instructions included for it's use are very clear and helpful”

Ease Of Use10%

“Easy to use”

Balance/Stability7%

“helps me work on my balance”

Exercise/Sports Suitability6%

“Great product for anyone interested in foot health”

Value For Money5%

“Worth the money”

Design-Overall5%

“Nice design”

Pain Relief-Overall4%

“ease the pain”

Grip4%

“The surface has good grip”

Stretchability/Expandability/Elasticity3%

“You can definitely feel the stretching from the first use”

Portability3%

“I like that his is portable”

What buyers complain about

Value For Money13%

“Not worth the price”

Durability10%

“breaks easily”

Quality-Overall8%

“Bad quality”

Rubber Quality6%

“The rubber piece is clearly flimsy compared to the rest of the board”

Ease Of Use4%

“I diid not use that sincei wanted to use this whileI needed to travel”

Hard Feel4%

“Hard”

Software/Application3%

“-The app is downloaded through a browser rather than the app store”

Stretchability/Expandability/Elasticity3%

“Either I'm not doing the stretches correctly or this item is ineffective”

Adhesion/Stickiness2%

“Cheap glue on bottom so the friction pads keep moving and coming off, reapplying the friction pads caused one to snap”

Material Quality2%

“The board is made of plastic”

Top return reasons

Functionality-Overall18%

Size-Overall12%

Advertised Vs Actual Product11%

Value For Money10%

Balance/Stability6%

Ease Of Use4%

Defective Material/Parts4%

Product Condition4%

Quality-Overall2%

Instructions/User Manual/Troubleshooting2%

Common questions

Is sidekick tool muscle scraper profitable to sell on Amazon United States?: The niche generates $108K/yr across 11 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -16.2%. Flapen's verdict: Skip it (39/100).
How competitive is the sidekick tool muscle scraper niche?: 8 brands and 10 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in sidekick tool muscle scraper?: Top complaints mined from reviews: Value For Money, Durability, Quality-Overall. The return rate is 2.2%.
When does demand for sidekick tool muscle scraper peak?: Demand peaks in Aug; the busiest month runs 1.6× the quietest.
What does it cost to enter the sidekick tool muscle scraper niche?: Listings span $8.22–$124.19; the average listing price is $57.49 (sweet spot $15–$100). The average incumbent carries 278 reviews — the moat a new listing must climb.