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mub187dz

Launch it

A $9.9M/yr market growing +47.3% this quarter with returns at 0.3% — clears our launch bar.

Market size 100Growth 67Conversion 73Competition 3Returns 99Price range 0Avg price 0Brand share 0Review moat 90Quality gap 97

Market size

Incredible¥9.9M

¥9.9M/yr · 9K searches

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Review moat

Great200

avg incumbent reviews — the moat a new listing must climb

Conversion

Good6.7%

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

Growth

Good+47.3%

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

Competition

Bad97%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Avg price

Bad¥17136.98

avg listing price — sweet spot $15–$100

Price range

Bad¥1194.57–¥32220.93

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

According to Flapen's Amazon Japan niche tracking, mub187dz is a ¥9.9M/yr Amazon Japan market (9K searches/yr). The top 5 brands hold 100% of demand. Verdict: Launch it — 57/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

mub187dz market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
¥4.3M–¥8.6M
units × avg price
Conversion rate
6.7%
Avg BSR
#41
Page quality
0%
Prime
67%
Sponsored
50%
Out of stock
0.0%
Avg brand age
32 months
Avg seller age
161 days

Competition & brand share

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

54

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

0%

  • Makita(マキタ)74%
  • ノーブランド品22%
  • TAKAHASHI HONSHA4%

Demand

Weekly Amazon search volume, last 36 weeks — +47.3% search growth over the last 90 days.
700500Black Friday '25Spike '26Nov '25Jan '26Feb '26Mar '26May '26Jun '26

Top mub187dz products on Amazon

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

0%15%¥1.5M30%¥3.0M45%¥4.4M60%¥5.9M101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about mub187dz

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

What buyers love

清掃の容易さ24%

“庭のお手入れにオススメ”

使用の容易さ21%

“便利です”

モーターのパワー9%

“性能・パワーは家庭用のレベルを超えています”

広告と実際の製品の違い8%

“コメント、説明通りの商品”

強さ5%

“思っていたより強力✌️”

バッテリーの内蔵4%

“バッテリーの減りは早いです。”

総合品質4%

“概ね満足です。”

騒音レベル4%

“静かで軽いが”

サイズ全体2%

“物置小屋に引っかけて保管するにもぎりぎり大丈夫の大きさで、パワーや使い勝手も申し分ないです。”

タッチ/ボタンコントロール2%

“トリガースイッチを握っていなくても運転ができるため作業しやすいので気に入っています。”

What buyers complain about

重い21%

“多少重いが”

バッテリーの内蔵15%

“他の口コミの通りバッテリーがすぐ無くなる”

騒音レベル10%

“音は少し大きめですが、がこれくらいなら、良いですね。”

使用の容易さ9%

“しづらい”

充電9%

“5分程度で充電切れとなった”

清掃の容易さ6%

“使用後の集塵袋の清掃が大変ですね。”

機能全体4%

“無くても十分使えると思います。やはり上手くはまりません。”

コストパフォーマンス2%

“ちょっと高いがそれなりの効果有り”

総合品質2%

“イマイチ。”

サイズ全体2%

“結構大きいので家庭での導入をためらっていましたが、ホームセンターで見かけたちょっと小ぶりのこちらのマキタ製品を購入。”

Top return reasons

騒音レベル23%
サイズ全体13%
充電13%
重い10%
接続性 - 全体7%
使用の容易さ7%
不良材料/部品7%
持続不可能なデザイン7%
機能全体7%
広告と実際の製品の違い7%

Common questions

Is mub187dz profitable to sell on Amazon Japan?
The niche generates ¥9.9M/yr across 6 tracked products. 90-day search growth is +47.3%. Flapen's verdict: Launch it (57/100).
How competitive is the mub187dz niche?
3 brands and 54 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in mub187dz?
Top complaints mined from reviews: 重い, バッテリーの内蔵, 騒音レベル. The return rate is 0.3%.
What does it cost to enter the mub187dz niche?
Listings span ¥1194.57–¥32220.93; the average listing price is ¥17136.98 (sweet spot $15–$100). The average incumbent carries 200 reviews — the moat a new listing must climb.