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fitness journal

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Soft demand (-24.6% this quarter) — this niche doesn't clear our bar today.

Market size 57Growth 13Conversion 44Competition 50Returns 88Price range 62Avg price 60Brand share 55Review moat 48Quality gap 27

Returns

Great1.4%

return rate — above 6% kills the launch gate

Price range

Good$6.31–$29.38

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

Avg price

Good$13.22

avg listing price — sweet spot $15–$100

Market size

Good$442K

$442K/yr · 960K searches

Brand share

Good72%

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

Competition

Good55%

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

Review moat

Okay1,697.41

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.5%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-24.6%

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

Competition

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

18

Top-5 brand share

72%

Open market

23%

  • Taja29%
  • SUNEE17%
  • ZICOTO12%
  • Gymreapers7%
  • Guirnd7%
  • FL FITNESS LOGBOOK6%

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%$44K20%$88K30%$132K40%$177K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -24.6% search growth over the last 90 days.
60K40KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.6×

Reviews

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

What buyers love

Ease Of Use16%

“Easy to Use”

Quality-Overall15%

“Good quality”

Advertised Vs Actual Product12%

“As advertised”

Document Organizing/Classification8%

“Organized”

Value For Money7%

“good value”

Size-Overall6%

“Love the size of it too”

Design-Overall6%

“The layout was straightforward”

Paper Quality5%

“The paper is a good thickness”

Durability3%

“It is durable”

Thickness2%

“has a thick amount of pages”

What buyers complain about

Paper Quality14%

“The pages were thin”

Thickness8%

“The pages were thin”

Value For Money6%

“These details are why the price by comparison to other journals seems overly high”

Document Organizing/Classification6%

“just ok, some typos, not organized well”

Design-Overall6%

“There is a little redundancy in the layout”

Quality-Overall5%

“Could be a little better quality spine”

Color4%

“Too many colors”

Size-Overall3%

“Smaller than I expect”

Print Quality3%

“Some of the print on the cells make it difficult to read some writing”

Instructions/User Manual/Troubleshooting3%

“I wish it had directions of how to fill out certain sections”

Top return reasons

Size-Overall27%
Advertised Vs Actual Product18%
Value For Money10%
Functionality-Overall6%
Design-Overall6%
Paper Quality6%
Writing Experience3%
Print Quality2%
Quality-Overall2%
Weight Heavy1%