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45

hubath

Skip it

Pricing outside the sweet spot ($2060.40 avg) — this niche doesn't clear our bar today.

Market size 97Growth 16Conversion 28Competition 22Returns 99Price range 0Avg price 0Brand share 11Review moat 83Quality gap 67

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Market size

Incredible¥4.9M

¥4.9M/yr · 107K searches

Review moat

Great335.08

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.2%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-17.3%

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

Brand share

Bad96%

top-5 brand share — brand-locked demand

Avg price

Bad¥2060.40

avg listing price — sweet spot $15–$100

Price range

Bad¥1117.13–¥4339.49

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

According to Flapen's Amazon Japan niche tracking, hubath is a ¥4.9M/yr Amazon Japan market (107K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Feb. Verdict: Skip it — 45/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

hubath market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
¥3.1M–¥4.1M
units × avg price
Conversion rate
2.2%
Avg BSR
#39
Page quality
0%
Prime
46%
Sponsored
92%
Out of stock
6.4%
Avg brand age
34 months
Avg seller age
170 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 flat

Sellers

29

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

2%

  • ノーブランド品65%
  • FULNG14%
  • MAMAGO10%
  • SINKATEC3%
  • Yamazaki(山崎実業)3%
  • LANMU2%
  • Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 78 weeks — -17.3% search growth over the last 90 days.
8K6KSpike '25Prime Day '25Black Friday '25Spike '26Prime Day '26FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Feb · busiest ÷ quietest = 1.6×

Top hubath search terms

  • hubath29K/yr
  • hubath 洗面台 ヘアキャッチャー21K/yr
  • hubath お風呂 ヘアキャッチャー8K/yr
  • ヒューバス8K/yr
  • 排水溝 マグネット7K/yr
  • ヒューバス ヘアキャッチャー お風呂6K/yr
  • 極排水4K/yr
  • ヒューバス ヘアキャッチャー 洗面台6K/yr
  • hubath ヘアキャッチャー 風呂6K/yr
  • ヒューバス ヘアキャッチャー4K/yr
All search terms

Top hubath 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%10%¥493K20%¥986K30%¥1.5M40%¥2.0M1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about hubath

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

What buyers love

清掃の容易さ30%

“お手入れ楽”

使用の容易さ24%

“専用ネットが楽チン”

サイズ全体8%

“ミラタップでシンデレラフィット”

総合品質5%

“総合的には使い勝手も悪くなく、ネットの取り外しもそこまで手間でもなく、シンプルで洗いやすいのでお勧めです。”

材料の品質3%

“シリコンが良い感じにフィットしたおかげで今のところ問題なく使えていて感動しています。”

コストパフォーマンス3%

“コスパ最強”

快適さ-全体3%

“使い心地が良さそうです”

組み立て/インストール2%

“簡単設置です”

生锈/腐食する2%

“錆びない”

デザイン全体1%

“デザインも良い”

What buyers complain about

サイズ全体15%

“小さかった”

清掃の容易さ14%

“お風呂の排水口掃除が大嫌いです。”

ジャミング/詰まり10%

“すぐ詰まる”

使用の容易さ8%

“実用性なし. 使えません。”

匂い4%

“下水の臭い匂いがする”

コストパフォーマンス3%

“決して安くない買い物だと思うので、ちょっとショックでした。”

耐久性3%

“ゴムからネットが抜けた”

磁力/吸着力2%

“磁石の力が弱く、モヤッとしていました。”

生锈/腐食する2%

“すぐに錆びた”

漏れ防止2%

“隙間が空いてゴミが流れますので意味がない。”

Top return reasons

サイズ全体72%
不良材料/部品5%
互換性-全体3%
傷に強い2%
広告と実際の製品の違い2%
商品の状態2%
匂い2%
組み立て/インストール1%
機能全体1%
メカニズムの問題1%

Common questions

Is hubath profitable to sell on Amazon Japan?
The niche generates ¥4.9M/yr across 13 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -17.3%. Flapen's verdict: Skip it (45/100).
How competitive is the hubath niche?
7 brands and 29 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in hubath?
Top complaints mined from reviews: サイズ全体, 清掃の容易さ, ジャミング/詰まり. The return rate is 0.2%.
When does demand for hubath peak?
Demand peaks in Feb; the busiest month runs 1.6× the quietest.
What does it cost to enter the hubath niche?
Listings span ¥1117.13–¥4339.49; the average listing price is ¥2060.40 (sweet spot $15–$100). The average incumbent carries 335 reviews — the moat a new listing must climb.