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black devil horns

Skip it

High returns (10.9%) — this niche doesn't clear our bar today.

Market size 5Growth 23Conversion 58Competition 43Returns 4Price range 66Avg price 50Brand share 65Review moat 90Quality gap 90

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Great191.6

avg incumbent reviews — the moat a new listing must climb

Price range

Good$4.90–$34.47

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

Brand share

Good66%

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

Conversion

Good4.9%

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

Avg price

Good$11.95

avg listing price — sweet spot $15–$100

Competition

Okay59%

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

Growth

Bad-4.4%

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

Market size

Bad$19K

$19K/yr · 33K searches

Returns

Bad10.9%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, black devil horns is a $19K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 42/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

black devil horns market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
$18K–$24K
units × avg price
Conversion rate
4.9%
Avg BSR
#1,364
Page quality
0%
Prime
100%
Sponsored
80%
Out of stock
16.1%
Avg brand age
35 months
Avg seller age
216 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

21

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

59%

Top 20: 100%

Open market

27%

  • PENTA ANGEL18%
  • MOSTORY16%
  • LUNROUG13%
  • Parma7712%
  • CoBtee8%
  • Furimuk7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.
15K10KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 61.2×

Top black devil horns 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%$95310%$2K15%$3K20%$4K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about black devil horns

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

What buyers love

Size-Overall31%

“They are accurate size to whats shown in pictures”

Quality-Overall12%

“I got them to wear to Renn faire seem well made”

Assembly/Installation12%

“So easy to install love that you can twist the horns around so you can change it up if u want”

Gifting Purpose8%

“cute gift for my friends bday party”

Strength8%

“Holds well”

Soft Feel4%

“Soft, looks great, easily customizable, worth the price”

Durability4%

“for a one time use they are ok”

Ease Of Cleaning4%

“dry brushing them was actually a fun experience”

Hair Styling4%

“The hair clip feature makes them super easy to clip in and forget them”

What buyers complain about

Durability21%

“Broke after wearing it a couple of times”

Magnetic Strength/Adsorption14%

“However you have to make sure they are COMPLETELY set on the magnets on the helmet or they will blow off”

Size-Overall11%

“The size was slightly smaller than I thought”

Adhesion/Stickiness11%

“Bad glue quality, comes apart”

Quality-Overall7%

“Cheap”

Advertised Vs Actual Product7%

“Definitely not as described”

Instructions/User Manual/Troubleshooting7%

“No directions on how to assemble”

Color4%

“I looked at a number of horn sets and those that were close to what I wanted in terms of color were often made of foam — which would have been okay except that a few customers reported that the ones they bought arrived mashed and beyond repair”

Functionality-Overall4%

“Do not work”

Top return reasons

Size-Overall39%
Quality-Overall11%
Advertised Vs Actual Product9%
Defective Material/Parts6%
Suitability Long Hair5%
Functionality-Overall4%
Material Quality4%
Adhesion/Stickiness4%
Magnetic Strength/Adsorption3%
Neck Fit2%

Common questions

Is black devil horns profitable to sell on Amazon United States?
The niche generates $19K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Skip it (42/100).
How competitive is the black devil horns niche?
13 brands and 21 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in black devil horns?
Top complaints mined from reviews: Durability, Magnetic Strength/Adsorption, Size-Overall. The return rate is 10.9% — above our launch gate.
When does demand for black devil horns peak?
Demand peaks in Sep–Oct–Nov; the busiest month runs 61.2× the quietest.
What does it cost to enter the black devil horns niche?
Listings span $4.90–$34.47; the average listing price is $11.95 (sweet spot $15–$100). The average incumbent carries 192 reviews — the moat a new listing must climb.