Is maruumo japan (マルーモジャパン） profitable to sell on Amazon Japan?

The niche generates ¥996K/yr across 25 tracked products. 3 of 10 products launched in the last 360 days are still selling. 90-day search growth is -30.3%. Flapen's verdict: Skip it (46/100).

How competitive is the maruumo japan (マルーモジャパン） niche?

6 brands and 9 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 99% of demand.

What do buyers complain about in maruumo japan (マルーモジャパン）?

Top complaints mined from reviews: 使用の容易さ. The return rate is 0.4%.

When does demand for maruumo japan (マルーモジャパン） peak?

Demand peaks in Mar–Oct; the busiest month runs 2.9× the quietest.

What does it cost to enter the maruumo japan (マルーモジャパン） niche?

Listings span ¥918.43–¥13363.51; the average listing price is ¥4867.34 (sweet spot $15–$100). The average incumbent carries 8 reviews — the moat a new listing must climb.

maruumo japan (マルーモジャパン）

Skip it

Pricing outside the sweet spot ($4867.34 avg) — this niche doesn't clear our bar today.

Review moat

Incredible7.68

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Market size

Great¥996K

¥996K/yr · 20K searches

Competition

Great40%

top-5 click share — an open shelf

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.0%

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

Growth

Bad-30.3%

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

Brand share

Bad99%

top-5 brand share — brand-locked demand

Avg price

Bad¥4867.34

avg listing price — sweet spot $15–$100

Price range

Bad¥918.43–¥13363.51

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

Signals Low Review Barrier High Price Out of Stock

According to Flapen's Amazon Japan niche tracking, maruumo japan (マルーモジャパン） is a ¥996K/yr Amazon Japan market (20K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Mar–Oct. Verdict: Skip it — 46/100.

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

maruumo japan (マルーモジャパン） market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: ¥1.2M–¥2.4M; units × avg price
Conversion rate: 1.0%
Avg BSR: #390
Page quality: 0%
Prime: 88%
Sponsored: 20%
Out of stock: 22.0%
Avg brand age: 30 months
Avg seller age: 188 days

Competition & brand share

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

Brands

6 rising

Sellers

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

40%

Top 20: 96%

Open market

maruumo japan (マルーモジャパン）87%
サンムラー6%
Fulimr4%
PROCKET1%
donghaifengyong1%
ノーブランド品1%

Demand & seasonality

Weekly Amazon search volume, last 56 weeks — -30.3% search growth over the last 90 days.

Peak months: Mar, Oct · busiest ÷ quietest = 2.9×

Open Trend

Top maruumo japan (マルーモジャパン） 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)5 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

maruumo-TUBUU L (マルーモツブウーエル）

maruumo japan (マルーモジャパン）¥3395.965.0★2 rev

maruumo-INYOUSAN 125 (マルーモインヨウサン125）ペーパーホルダー

maruumo japan (マルーモジャパン）¥3817.370.0★0 rev

maruumo-ZUNOPPEE S-type 02 (マルーモズノッピーSタイプ０２）

maruumo japan (マルーモジャパン）¥3000.475.0★4 rev

maruumo-W-RULER 45 (マルーモダブルルーラー45）

maruumo japan (マルーモジャパン）¥6996.113.9★3 rev

90471 きつけ箆（へら）2本組

サンムラー¥2131.643.8★13 rev

Newest

by launch date

maruumo-INYOUSAN 125 (マルーモインヨウサン125）ペーパーホルダー

maruumo japan (マルーモジャパン）¥3817.370 rev

1mo ago

maruumo-FLAPPEE 1.0 (マルーモフラッピー 1.0）

maruumo japan (マルーモジャパン）¥4361.860 rev

2mo ago

maruumo-TUBUU L (マルーモツブウーエル）

maruumo japan (マルーモジャパン）¥3395.962 rev

5mo ago

maruumo-TUBUU S (マルーモツブウーエス）

maruumo japan (マルーモジャパン）¥2998.611 rev

5mo ago

maruumo-TUBUU BRUSH (マルーモツブウーブラシ）

maruumo japan (マルーモジャパン）¥918.432 rev

5mo ago

What buyers say about maruumo japan (マルーモジャパン）

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

What buyers love

使用の容易さ25%

“こちら、紙やすりが付属されていて自分にあうようにできるので、使い勝手は良いですね.”

厚み17%

“それなりに厚みと弾力性も有るので多少不陸の悪い壁でもストレス無くエア抜き出来てると思います🙄”

デザイン全体17%

“造りは問題無し”

機能全体17%

“ジョイントの納まりが凄く良いです”

ブラシの品質8%

“刷毛とスムーサーが一体になってるので、持ち替える手間も省けて、作業が大幅に短縮出来そうです。”

軽い8%

“そして、何より激軽です。”

What buyers complain about

使用の容易さ50%

“実際に使おうとすると打つ面が広いので逆に使いにくいかも”

Top return reasons

材料の品質67%

騒音レベル33%

Common questions

Is maruumo japan (マルーモジャパン） profitable to sell on Amazon Japan?: The niche generates ¥996K/yr across 25 tracked products. 3 of 10 products launched in the last 360 days are still selling. 90-day search growth is -30.3%. Flapen's verdict: Skip it (46/100).
How competitive is the maruumo japan (マルーモジャパン） niche?: 6 brands and 9 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 99% of demand.
What do buyers complain about in maruumo japan (マルーモジャパン）?: Top complaints mined from reviews: 使用の容易さ. The return rate is 0.4%.
When does demand for maruumo japan (マルーモジャパン） peak?: Demand peaks in Mar–Oct; the busiest month runs 2.9× the quietest.
What does it cost to enter the maruumo japan (マルーモジャパン） niche?: Listings span ¥918.43–¥13363.51; the average listing price is ¥4867.34 (sweet spot $15–$100). The average incumbent carries 8 reviews — the moat a new listing must climb.

maruumo japan (マルーモジャパン）

maruumo japan (マルーモジャパン） market data

Competition & brand share

Demand & seasonality

Top maruumo japan (マルーモジャパン） products on Amazon

Top sellers

Newest

Trending

What buyers say about maruumo japan (マルーモジャパン）

What buyers love

What buyers complain about

Top return reasons

Common questions

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