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fertility cup

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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 12Growth 21Conversion 41Competition 0Returns 62Price range 92Avg price 95Brand share 0Review moat 80Quality gap 85

Avg price

Incredible$27.72

avg listing price — sweet spot $15–$100

Price range

Great$13.68–$48.01

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Great402.75

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.5%

return rate — above 6% kills the launch gate

Conversion

Okay3.3%

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

Growth

Bad-8.2%

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

Market size

Bad$48K

$48K/yr · 52K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 falling

Sellers

5

Top-5 brand share

100%

Open market

0%

  • Frida Fertility55%
  • MojoBox45%

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%15%$7K30%$14K45%$21K60%$29K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 75 weeks — -8.2% search growth over the last 90 days.
2K2KSpike '25Black Friday '25FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Oct, Nov · busiest ÷ quietest = 1.7×

Reviews

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

What buyers love

Fertility/Conception25%

“So this product did help me get pregnant”

Ease Of Use21%

“Easy to use”

Value For Money7%

“Worth the money”

Comfort-Overall7%

“comfortable”

Efficiency6%

“This MojoBox applicator fixed every single issue I had, instantly”

Ease Of Cleaning5%

“Easy to clean”

Quality-Overall5%

“Great product”

Breastfeeding Friendly2%

“I enjoy it knowing it is helping increase our chances for baby only first day of use”

Assembly/Installation2%

“Super easy to insert”

Soft Feel2%

“The cup is very soft”

What buyers complain about

Ease Of Use23%

“difficult to use”

Functionality-Overall18%

“Didnt work”

Value For Money13%

“Its expensive”

Leak-Proof5%

“It leaks”

Pain Relief-Overall4%

“painful to use even when following the directions”

Natural Resource Wastage4%

“Waste of money and cycles”

Dosage2%
Design-Overall2%

“The design seems pretty crappy”

Assembly/Installation2%

“Weird to put in and kept falling”

Acid Regulator/Stomach Ache Relief2%

“Im sick to my stomach over this”

Top return reasons

Size-Overall21%
Functionality-Overall16%
Value For Money9%
Advertised Vs Actual Product9%
Ease Of Use5%
Design-Overall5%
Instructions/User Manual/Troubleshooting4%
Comfort-Overall3%
Quality-Overall3%
Product Condition3%