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Kojihomu

Fail

Products sell for $5566.29 on average, outside the sweet spot, so Kojihomu is a Fail.

Flapen Score
43
43 / 100
Ranks 3,905 of 4,191 DIY・工具・ガーデン niches · −14 vs the category median of 57
Market size
¥288K/yr14K searches / yr
90-day growth
-11.4%search demand this quarter
Competition
59%top-5 click share · 15 brands · 111 sellers

Flapen Score

Kojihomu against its category

The dotted line is the DIY・工具・ガーデン average. Past it, Kojihomu is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Kojihomu market on Amazon at a glance

Shoppers on Amazon Japan searched for Kojihomu 14K times last year and spent an estimated ¥288K. The top 5 brands take 70% of clicks. Demand peaks in Jan–Feb–Mar–Apr. Flapen scores it 43 out of 100, a Fail.

01 · Demand

An estimated 0.4% of those searches ended in a purchase.

Shoppers searched for this 14K times in the last 12 months. That counts every search on Amazon Japan for this niche's terms. An estimated 0.4% of those searches ended in a purchase. Searches in the last 90 days moved -11.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated ¥288K a year.

Searches, last 12 months
14K
Growth, 90 days vs prior 90
-11.4%
Conversion, latest week
0.4%
Market size, estimated
¥288Ka year
Peak month
January5.2× the quietest month
Top search term
ミニエアダスター6K searches a year

02 · Price

A sale here is worth ¥5566.29.

Listings sell for ¥5566.29 on average, from ¥907.42 to ¥16374.22. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At ¥5566.29 that is ¥0 to ¥557K a year per listing.

Average price
¥5566.29above the $15 to $100 sweet spot
Price range
¥907.42–¥16374.22
Amazon Japan median price
¥1942.07across 14,733 niches
Units sold a year
100–250
Units per listing a year
0–100
Revenue per listing a year
¥0–¥557K
Returns
0.6%of orders · Amazon Japan median 0.4%

03 · Entry bar

The bar here is ads.

95% of listings pay for placement with sponsored ads. 85% ship with Prime. On an average day, 16.4% of listings are out of stock. The average listing ranks #48 within エア工具. It carries 1,382 reviews at 4.26 stars, so a new listing needs social proof before a better product.

Sponsored listings
95%
Prime listings
85%
Out of stock, average day
16.4%
Average rank
#48in エア工具
Average rating
4.26 starsAmazon Japan average 4.15 stars
Average reviews
1,382per listing
Listings tracked
20

04 · Newcomers

12 of last year's 12 launches cleared the first-year sales bar.

12 products launched here in the last 12 months. 12 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 23 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
12
Successful launches
12Amazon's first-year sales bar
Average brand age
23 months

Products

Top Kojihomu products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 59% of clicks. Leaders hold, but buyers still shop past them.

Brands

15 falling

Sellers

111

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

59%

Top 20: 100%

Open market

24%

  • Brand 122%
  • Brand 217%
  • Brand 315%
  • Brand 410%
  • Brand 56%
  • Brand 66%

Demand

Kojihomu search demand

Weekly searches over the year, seasonality beneath. Pick a range.

8K6KSpike '24Holiday '24Spike '25Black Friday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 5.2×

Search terms

Top Kojihomu search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • ミニエアダスター6K/yr
  • エアブラスター3K/yr
  • ジェットブロワー 洗車823/yr
  • jetx2 0 ブロワー2K/yr
  • ジェットx2.0ブロワー563/yr
  • ジェットエックス2.0ブロワー256/yr
  • jetx2 ブロワー314/yr
  • ミニジェットブロワー805/yr
  • ミニサイズブロワー31/yr

Reviews and returns

What reviews say buyers love and hate about Kojihomu

We read the reviews and the return reasons for every product selling here.

14%of positive reviews mention “使用の容易さ”
11%of negative reviews mention “バッテリーの内蔵”
0.6%of orders come back
“すぐに電池がなくなる”
A buyer, on “バッテリーの内蔵”11% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common Kojihomu questions

Answered from the same tracked data.