wifi blocker
Skip itA small market ($22K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$34.00avg listing price — sweet spot $15–$100
Price range
Great$9.81–$64.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.5%return rate — above 5% kills the launch gate
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good1,152.73avg incumbent reviews — the moat a new listing must climb
Brand share
Good73%top-5 brand share — brands hold most of the demand
Competition
Bad73%top-5 click share — a locked-up shelf
Growth
Bad-20.5%90-day search growth — must beat 0% to launch
Conversion
Bad1.2%search→purchase rate — share of searches ending in a sale
Market size
Bad$22K$22K/yr · 53K searches
According to Flapen's Amazon United States niche tracking, wifi blocker is a $22K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Jan. Verdict: Skip it — 42/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
wifi blocker market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $26K–$34K
- units × avg price
- Conversion rate
- 1.2%
- Avg BSR
- #1,635
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 3.3%
- Avg brand age
- 28 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
15 falling
Sellers
19
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
21%
- Fengind32%
- VAJOOCLL14%
- SaiTech IT11%
- Amerthing9%
- Fystensk7%
- NURIONSS6%
Demand & seasonality
Weekly Amazon search volume, last 64 weeks — -20.5% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.5×
Top wifi blocker search terms
- wifi blocker23K/yr
- faraday cage for wifi router11K/yr
- emf blocker for wifi router11K/yr
- wifi signal blocker4K/yr
- wifi router guard3K/yr
- faraday bags for wifi router977/yr
- emf protection for router674/yr
Top wifi blocker 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fengind Large WiFi Router Cover - Blocks 90% of Router Emf & 5G Allows Uninterrupted Use - Faraday Cage Emf Protection - Two Year Warranty
Fengind$56.304.2★154 rev
WiFi Router Cover Smart High Protection Router Cover Versatile Shielding WiFi Guard(14IN x 15.5IN)
VAJOOCLL$18.154.3★210 rev
SaiTech IT 5 Pack RFID Blocking Card for Credit Debit ID Card Black
SaiTech IT$9.814.7★10,163 rev
WiFi Router Cover WiFi RF Blocking Wireless Blocks 5G Protective Cover 13.7 x 15.7
Amerthing$18.153.9★94 rev
WiFi Router EMF Protection Cover - Faraday Shield for 5G & Standard Routers
Fystensk$53.954.2★35 rev
Newest
by launch date
EMF Protection- Whole Home Shield Electromagnetic Field Protection for Home EMF Blocker and Neutralizer for Enhanced Well-Being
Sapbontchi$59.9828 rev
EMF Protection EMF Blocker for House Office Library(Coverage Area Up to 2000 Square Feet Per Level) - White
NURIONSS$58.2417 rev
YINIMI Faraday Cage for WiFi Router EMF Blocker for WiFi Router Blocks 90% EMF and 5G Radiation Compatible with Most Large Routers White 12 L x 5.5 W x 12 H
YINIMI$53.5613 rev
WiFi Router EMF Protection Cover - Faraday Shield for 5G & Standard Routers
Fystensk$53.9535 rev
Otoolling Large WiFi Router Cover Smart Meter Cover Block 90% of WiFi Router EMF and 5G Electric Meter Faraday Cage Protection
Otoolling$38.3515 rev
Trending
90-day click momentumEMF Protection- Whole Home Shield Electromagnetic Field Protection for Home EMF Blocker and Neutralizer for Enhanced Well-Being
Sapbontchi$59.984.8★
SaiTech IT 5 Pack RFID Blocking Card for Credit Debit ID Card Black
SaiTech IT$9.814.7★
EMF Protection EMF Blocker for House Office Library(Coverage Area Up to 2000 Square Feet Per Level) - White
NURIONSS$58.243.6★
WiFi Router EMF Protection Cover - Faraday Shield for 5G & Standard Routers
Fystensk$53.954.2★
Fengind Large WiFi Router Cover - Blocks 90% of Router Emf & 5G Allows Uninterrupted Use - Faraday Cage Emf Protection - Two Year Warranty
Fengind$56.304.2★
What buyers say about wifi blocker
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Good deal for the money”
“Absolutely fantastic and works exactly as described”
“Good size - worked as advertised - nice 2 pack”
“Easy to use”
“Very effective and works well”
“Had no issues, passing it works”
“Seem fairly durable”
“I trust they keep my credit cards secured”
“it gives me a better security in my mind its somewhat helping”
What buyers complain about
“Did not work”
“Zero signal”
“Disconnects network”
“The adhesive is weak”
“Its costly”
“Kind of an awkward size”
“something degraded over 6 months of use”
“Doesnt work as advertised”
“Cheap Quality”
“It is too terribly difficult to get the sticker off the back to apply it to your device”
Top return reasons
Common questions
- Is wifi blocker profitable to sell on Amazon United States?
- The niche generates $22K/yr across 15 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -20.5%. Flapen's verdict: Skip it (42/100).
- How competitive is the wifi blocker niche?
- 15 brands and 19 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in wifi blocker?
- Top complaints mined from reviews: Functionality-Overall, Signal Strength, Connectivity-Overall. The return rate is 1.5%.
- When does demand for wifi blocker peak?
- Demand peaks in Jan; the busiest month runs 1.5× the quietest.
- What does it cost to enter the wifi blocker niche?
- Listings span $9.81–$64.22; the average listing price is $34.00 (sweet spot $15–$100). The average incumbent carries 1,153 reviews — the moat a new listing must climb.