smart devil fan
Skip itA small market ($9K/yr) — this niche doesn't clear our bar today.
Returns
Great1.6%return rate — above 5% kills the launch gate
Growth
Good+45.1%90-day search growth — must beat 0% to launch
Avg price
Good$13.20avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Price range
Okay$8.09–$18.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad72%top-5 click share — a locked-up shelf
Review moat
Bad7,557.36avg incumbent reviews — the moat a new listing must climb
Brand share
Bad92%top-5 brand share — brand-locked demand
Market size
Bad$9K$9K/yr · 24K searches
According to Flapen's Amazon United States niche tracking, smart devil fan is a $9K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 39/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
smart devil fan market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $10K–$13K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #119
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 79%
- Out of stock
- 29.5%
- Avg brand age
- 29 months
- Avg seller age
- 196 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
15
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
3%
- EasyAcc33%
- SMARTDEVIL26%
- RJVW14%
- Simpeak10%
- KinYiLO9%
- Gaiatop6%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +45.1% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 3.1×
Top smart devil fan search terms
- smartdevil usb desk fan4K/yr
- smart devil fan7K/yr
- smart devil5K/yr
- smartdevil fan4K/yr
- smartdevil3K/yr
- smart devil usb fan764/yr
- smart devil usb desk fan533/yr
Top smart devil fan 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share![EasyAcc USB Small Desk Fan Slumber Pod Fan [360Rotatable Head &Powerful ] 3 Speeds Portable Personal Table Travel Fan for Sleeping Desk Cruise Ship Dorm Bedroom Office (No Battery)](https://m.media-amazon.com/images/I/51yhATPfwQL.jpg)
EasyAcc USB Small Desk Fan Slumber Pod Fan [360Rotatable Head &Powerful ] 3 Speeds Portable Personal Table Travel Fan for Sleeping Desk Cruise Ship Dorm Bedroom Office (No Battery)
EasyAcc$13.884.5★3,422 rev
RJVW 4 Inch Small USB Desk Fan 3-Speed Portable & 360Rotatable Mini Cooling Fan USB-Powered Desktop Fan for Home Office Bedroom Dorm Indoor Outdoor Summer Gift
RJVW$12.214.6★3,452 rev
SMARTDEVIL 2 Pack Tempered Glass for iPhone 17 Pro Privacy Screen Protector Military-Grade Shatterproof Protection 9H Hardness Anti-Spy Privacy Film Fast & Easy Installation Case Friendly Design
SMARTDEVIL$18.444.2★17,854 rev
Simpeak Small USB Fan Small Quiet Portable USB Powered ONLY (No Battery) Cooling 3 Speed Setting 360 Adjustable Swivel Desktop Personal Fan for Home Office Bedroom Outdoor Travel Summer Blue
Simpeak$9.974.4★4,072 rev
KinYiLO USB Desk Fan Small Stepless Speed Flexible Adjust Mini Fans for Home Office Dorm Desktop Portable Travel Fan Personal Cooling Plug In USB Powered Blue
KinYiLO$9.404.4★665 rev
Newest
by launch dateSMARTDEVIL 2 Pack Tempered Glass for iPhone 17 Pro Privacy Screen Protector Military-Grade Shatterproof Protection 9H Hardness Anti-Spy Privacy Film Fast & Easy Installation Case Friendly Design
SMARTDEVIL$18.4417,854 rev
SMARTDEVIL 2 Pack Tempered Glass for iPhone 17 Pro Max Privacy Screen Protector Military-Grade Shatterproof Protection 9H Hardness Anti-Spy Privacy Film Fast & Easy Installation Case Friendly Design
SMARTDEVIL$18.7917,854 rev
SMARTDEVIL 2 Pack Screen Protector for iPhone 17 Pro Max Tempered Glass HD Clear Film Easy Installation Dust-Free & Bubble-Free
SMARTDEVIL$16.274,875 rev
SMARTDEVIL 2 Pack Screen Protector for iPhone 17 Pro Max
SMARTDEVIL$14.401,940 rev
KinYiLO USB Desk Fan Small Stepless Speed Flexible Adjust Mini Fans for Home Office Dorm Desktop Portable Travel Fan Personal Cooling Plug In USB Powered Blue
KinYiLO$9.40665 rev
Trending
90-day click momentumSMARTDEVIL 2 Pack Screen Protector for iPhone 17 Pro Max Tempered Glass HD Clear Film Easy Installation Dust-Free & Bubble-Free
SMARTDEVIL$16.274.3★
SMARTDEVIL 2 Pack Tempered Glass for iPhone 17 Pro Max Privacy Screen Protector Military-Grade Shatterproof Protection 9H Hardness Anti-Spy Privacy Film Fast & Easy Installation Case Friendly Design
SMARTDEVIL$18.794.2★
KinYiLO USB Desk Fan Small Quiet Stepless Speed Flexible Adjust Mini Fans for Home Office Dorm Desktop Portable Travel Fan Personal Cooling Plug In USB Powered Black
KinYiLO$9.824.4★
SMARTDEVIL 2 Pack Tempered Glass for iPhone 17 Pro Privacy Screen Protector Military-Grade Shatterproof Protection 9H Hardness Anti-Spy Privacy Film Fast & Easy Installation Case Friendly Design
SMARTDEVIL$18.444.2★
Gaiatop USB Desk Fan 3 Speeds Strong Airflow 5.5 Inch Portable 90 Rotate Quiet Cooling Small Personal Table Fans for Bedroom Home Office Travel Green
Gaiatop$9.094.6★
What buyers say about smart devil fan
What buyers praise and complain about, mined from review topics.What buyers love
“Noise level is very low”
“sturdy”
“Good value for the money”
“Perfect install”
“Good quality, easy to install”
“Easy to use”
“Fit great”
“Good protectors”
“the glass itself feels durable”
“Portable fan”
What buyers complain about
“Item larger”
“Breaks easily”
“Low quality”
“Did not work”
“very noisy”
“It was never any good even at its price”
“Not a privacy screen”
“would not charge”
“Yet the screen itself makes the touch on my phone not work properly”
“Poor Installation Experience”
Top return reasons
Common questions
- Is smart devil fan profitable to sell on Amazon United States?
- The niche generates $9K/yr across 14 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +45.1%. Flapen's verdict: Skip it (39/100).
- How competitive is the smart devil fan niche?
- 7 brands and 15 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in smart devil fan?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 1.6%.
- When does demand for smart devil fan peak?
- Demand peaks in Jul–Aug; the busiest month runs 3.1× the quietest.
- What does it cost to enter the smart devil fan niche?
- Listings span $8.09–$18.79; the average listing price is $13.20 (sweet spot $15–$100). The average incumbent carries 7,557 reviews — the moat a new listing must climb.