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60

fum

Worth a look

Shows beatable incumbent ratings (3.3★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 80Growth 14Conversion 31Competition 61Returns 75Price range 78Avg price 95Brand share 41Review moat 72Quality gap 100

Quality gap

Incredible3.3★

avg incumbent rating — lower means beatable quality

Avg price

Incredible$34.84

avg listing price — sweet spot $15–$100

Market size

Great$1.1M

$1.1M/yr · 1.3M searches

Price range

Great$12.69–$120.80

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

Returns

Great2.0%

return rate — above 5% kills the launch gate

Review moat

Good617.3

avg incumbent reviews — the moat a new listing must climb

Competition

Good48%

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

Brand share

Okay80%

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

Conversion

Okay2.5%

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

Growth

Bad-21.4%

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

According to Flapen's Amazon United States niche tracking, fum is a $1.1M/yr Amazon United States market (1.3M searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Worth a look — 60/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

fum market data

Units sold / yr
30K–40K
avg 750–1,000/product
Revenue / yr
$1.0M–$1.4M
units × avg price
Conversion rate
2.5%
Avg BSR
#103
Page quality
0%
Prime
100%
Sponsored
82%
Out of stock
19.0%
Avg brand age
45 months
Avg seller age
162 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

22

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

48%

Top 20: 86%

Open market

17%

  • FÜM57%
  • MOXE8%
  • Healfs7%
  • Haaikara6%
  • ICYVIBES3%
  • CUP DEAA2%
  • Open — no brand owns it (11 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.4% search growth over the last 90 days.
45K35KSpike '25Prime Day '25SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct · busiest ÷ quietest = 2.2×

Top fum search terms

  • fum427K/yr
  • smokeless inhalers162K/yr
  • fum vaporless inhaler229K/yr
  • flavored air50K/yr
  • fume vapor pen70K/yr
  • fume51K/yr
  • flavored air inhaler quit smoking36K/yr
  • air vape23K/yr
  • smokeless inhaler18K/yr
  • flavored air inhaler25K/yr
All search terms

Top fum 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%5%$56K10%$112K15%$168K20%$224K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about fum

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

What buyers love

Ease Of Use13%

“easy to hold”

Flavor8%

“the variety of flavors”

Quality-Overall8%

“the build quality is solid”

Smell7%

“Smells good”

Value For Money6%

“Excellent product for the money”

Taste-Overall5%

“Great Taste”

Breathability3%

“you get a really good breath of air that I like”

Design-Overall3%

“The design looks stylish”

Portability3%

“easy to carry”

Oral Hygiene2%

“It eases the hand-to-mouth habit”

What buyers complain about

Flavor17%

“Flavor is terrible”

Value For Money16%

“Not worth it”

Taste-Overall10%

“Chemical taste”

Functionality-Overall6%

“Ineffective”

Smell4%

“Also has a weird smell”

Advertised Vs Actual Product4%

“NOT AS ADVERTISED”

Quality-Overall4%

“Bad quality”

Durability2%

“comes off easily”

Strength2%

“So weak”

Size-Overall2%

“Chain is short”

Top return reasons

Functionality-Overall19%
Flavor16%
Advertised Vs Actual Product15%
Smell10%
Breathability8%
Taste-Overall5%
Adhesion/Stickiness3%
Size-Overall2%
Defective Material/Parts2%
Product Condition2%

Common questions

Is fum profitable to sell on Amazon United States?
The niche generates $1.1M/yr across 33 tracked products. 16 of 19 products launched in the last 360 days are still selling. 90-day search growth is -21.4%. Flapen's verdict: Worth a look (60/100).
How competitive is the fum niche?
17 brands and 22 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in fum?
Top complaints mined from reviews: Flavor, Value For Money, Taste-Overall. The return rate is 2.0%.
When does demand for fum peak?
Demand peaks in Aug–Sep–Oct; the busiest month runs 2.2× the quietest.
What does it cost to enter the fum niche?
Listings span $12.69–$120.80; the average listing price is $34.84 (sweet spot $15–$100). The average incumbent carries 617 reviews — the moat a new listing must climb.