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51

step tracker

Worth a look

Shows a $18.7M/yr market, but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.

Market size 100Growth 54Conversion 23Competition 34Returns 38Price range 43Avg price 77Brand share 9Review moat 21Quality gap 86

Market size

Incredible$18.7M

$18.7M/yr · 10.8M searches

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great$93.20

avg listing price — sweet spot $15–$100

Growth

Good+26.1%

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

Price range

Okay$24.59–$199.41

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

Returns

Okay4.4%

return rate — above 6% kills the launch gate

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Conversion

Bad1.8%

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

Review moat

Bad11,564.53

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad96%

top-5 brand share — brand-locked demand

Competition

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 falling

Sellers

112

Top-5 brand share

96%

Open market

1%

  • Fitbit85%
  • Moremore4%
  • aeac3%
  • POLAR3%
  • Garmin2%
  • ST-CARE2%
  • Open — no brand owns it (1 brand, 1%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$1.9M20%$3.7M30%$5.6M40%$7.5M1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 72 weeks — +26.1% search growth over the last 90 days.
450K350KSpike '25Black Friday '25Spike '26MarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jun, Nov, Dec · busiest ÷ quietest = 7.9×

Reviews

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

What buyers love

Value For Money12%

“Good value for money”

Quality-Overall10%

“Amazing quality”

Ease Of Use8%

“Easy to Use”

Battery Life7%

“Battery lasts a long time”

Comfort-Overall6%

“comfortable to wear”

Advertised Vs Actual Product5%

“As advertised”

Software/Application5%

“Software is great to use”

Size-Overall4%

“Nice and small”

Weight Light4%

“The band is very lightweight”

Charging4%

“Charges fast”

What buyers complain about

Durability14%

“DID NOT LAST”

Charging10%

“Doesn't charge”

Software/Application9%

“APP IS TERRIBLE”

Functionality-Overall8%

“It doesnt function”

Quality-Overall6%

“Damned quality”

Battery Life6%

“Battery life is horrible”

Connectivity-Overall6%

“Wont stay connected”

Value For Money4%

“too expensive”

Ease Of Use3%

“Not easy”

Size-Overall3%

“It's too big”

Top return reasons

Functionality-Overall15%
Size-Overall12%
Charging10%
Connectivity-Overall8%
Compatibility-Overall6%
Value For Money6%
Advertised Vs Actual Product6%
Software/Application5%
Display-Overall4%
Comfort-Overall3%