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insulin pump belt

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A small market ($40K/yr) — this niche doesn't clear our bar today.

Market size 10Growth 30Conversion 21Competition 63Returns 27Price range 75Avg price 82Brand share 72Review moat 65Quality gap 94

Quality gap

Great4.0★

avg incumbent rating — lower means beatable quality

Avg price

Great$17.85

avg listing price — sweet spot $15–$100

Price range

Great$8.15–$35.96

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

Brand share

Good62%

top-5 brand share — brands hold most of the demand

Review moat

Good906.82

avg incumbent reviews — the moat a new listing must climb

Competition

Good47%

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

Growth

Okay+3.6%

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

Returns

Okay5.7%

return rate — above 6% kills the launch gate

Conversion

Bad1.7%

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

Market size

Bad$40K

$40K/yr · 132K searches

Competition

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 falling

Sellers

33

Top-5 brand share

62%

Open market

32%

  • Glucology18%
  • DiaBelt13%
  • AKIZUKI JOO13%
  • FSUHHIAD9%
  • iGuerburn9%
  • EaseToU7%

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%4%$2K8%$3K12%$5K16%$6K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 38 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +3.6% search growth over the last 90 days.
3K2KPrime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Size-Overall16%

“Fits well”

Quality-Overall9%

“It appears well made”

Comfort-Overall9%

“Very comfortable”

Ease Of Use7%

“Easy To Use”

Advertised Vs Actual Product6%

“Works exactly as intended”

Value For Money4%

“Worth it”

Adhesion/Stickiness4%

“Tandem Mobi adhesive pouch works good”

Blood Sugar Level3%

“Works holding my blood sugar needle in place”

Pockets/Compartments3%

“The design of being one large pocket seems good in theory”

Durability2%

“Well made and durable”

What buyers complain about

Size-Overall17%

“Too Small”

Durability10%

“not durable”

Functionality-Overall7%

“Unfortunately it is not functional for me”

Ease Of Use6%

“gels into these slits which are sometimes not the easiest to access”

Adhesion/Stickiness4%

“Adhesive is not good”

Comfort-Overall4%

“It is very uncomfortable”

Quality-Overall3%

“Cheaply made does not hold the pump well”

Value For Money3%

“Too cheap”

Allergies2%

“they all irritated my skin”

Stretchability/Expandability/Elasticity2%

“the materiel does not stretch out”

Top return reasons

Size-Overall61%
Advertised Vs Actual Product6%
Zipper Quality4%
Functionality-Overall3%
Comfort-Overall3%
Pockets/Compartments3%
Waist Fit2%
Material Quality2%
Adhesion/Stickiness1%
Ease Of Use1%