Is emf meter profitable to sell on Amazon United Kingdom?

The niche generates £74K/yr across 15 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -16.9%. Flapen's verdict: Skip it (46/100).

How competitive is the emf meter niche?

13 brands and 15 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 73% of demand.

What do buyers complain about in emf meter?

Top complaints mined from reviews: Ease Of Use, Measurement/Reading Accuracy, Strength. The return rate is 2.9%.

When does demand for emf meter peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the emf meter niche?

Listings span £7.26–£77.61; the average listing price is £19.76 (sweet spot $15–$100). The average incumbent carries 863 reviews — the moat a new listing must climb.

emf meter

Skip it

Soft demand (-16.9% this quarter) — this niche doesn't clear our bar today.

Avg price

Great£19.76

avg listing price — sweet spot $15–$100

Price range

Great£7.26–£77.61

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good862.73

avg incumbent reviews — the moat a new listing must climb

Brand share

Good73%

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

Returns

Good2.9%

return rate — above 5% kills the launch gate

Conversion

Okay3.7%

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

Competition

Okay61%

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

Market size

Bad£74K

£74K/yr · 102K searches

Growth

Bad-16.9%

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

According to Flapen's Amazon United Kingdom niche tracking, emf meter is a £74K/yr Amazon United Kingdom market (102K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 46/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

emf meter market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: £59K–£79K; units × avg price
Conversion rate: 3.7%
Avg BSR: #236
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 10.5%
Avg brand age: 34 months
Avg seller age: 195 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

22%

ERICKHILL40%
RDINSCOS13%
HeavenBird7%
TransArcade7%
KAIWEETS6%
AceFox5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top emf meter search terms

emf reader53K/yr -11.4%2.4% conv.
emf meter26K/yr -21.8%1.5% conv.
emf11K/yr -19.9%1.1% conv.
emf detector8K/yr -33.9%1.0% conv.
k2 meter3K/yr -16.8%2.3% conv.

All search terms

Top emf meter 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★)1 product missing review or click data not plotted

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

Top sellers

by 90-day click share

ERICKHILL EMF Meter Ghost Hunting Equipment for Paranormal Investigations 5-Level LED Alerts 30Hz20kHz Wide Range Handheld EMF Reader Paranormal Equipment for Home Office & Outdoor Inspections

ERICKHILL£13.004.6★205 rev

RDINSCOS EMF Meter Reader 3-in-1 Digital Electromagnetic Field Radiation Detector for EF MF & RF with Color-screen Display Handheld EMF Tester Detector for 5G WiFi Radio Signals&Household Appliance

RDINSCOS£23.054.4★1,096 rev

ERICKHILL EMF Meter Rechargeable Digital Electromagnetic Field Radiation Detector Hand-held Digital LCD EMF Detector Great Tester for Home EMF Inspections Office Outdoor

ERICKHILL£29.434.3★6,693 rev

HeavenBird EMF Detector 5 LED EMF Reader Ghost Hunting Paranormal Equipment for Home Office & Outdoor Inspections

HeavenBird£9.054.2★15 rev

TransArcade EMF Meter 5 LED Magnetic Field Detector Ghost Hunting Tester for Home Office Outdoor Inspections

TransArcade£8.753.5★6 rev

Newest

by launch date

EMF Meter Magnetic Field Detector 5-LED Indicator Ghost Hunting Equipment for Home & Outdoor Inspections (50Hz-20000Hz)

iwui£8.300 rev

6mo ago

TransArcade EMF Meter 5 LED Magnetic Field Detector Ghost Hunting Tester for Home Office Outdoor Inspections

TransArcade£8.756 rev

7mo ago

Neoteck 3-in-1 EMF Meter for Electric Magnetic & RF Radiation Tri-Axis Detection WiFi/Microwave Identification 3-Colour Alarm Backlit Display & Rechargeable Battery Home & Office Safety Monitor

Neoteck£29.6929 rev

7mo ago

ERICKHILL EMF Meter RT-100S EF/MF/RF Tester Rechargeable Magnetic Field Meter Digital/Graphic Dual-Interface Radiation Detector Digital LCD Screen for Home Office Outdoor

ERICKHILL£30.10251 rev

10mo ago

KAIWEETS EMF Meter for AC Magnetic Fields 5-Color LED Detects 0.120mG Across 30Hz20kHz 5% Accuracy Includes 9V Battery for Ghost Hunting Home Office and EMF Testing

KAIWEETS£11.7695 rev

10mo ago

What buyers say about emf meter

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

What buyers love

Ease Of Use25%

“Easy to use”

Quality-Overall19%

“It is well built with a clear display”

Value For Money16%

“Worth the money”

Advertised Vs Actual Product10%

“Does exactly what it says on the tin”

Brightness/Shine/Glow6%

“The screen is bright and clear and you dont have to faff around configuring it”

Battery Life6%

“Its worth the money good battery life”

Efficiency6%

“Works well”

Portability3%

“Its portable, easy to use, and gives instant feedback”

Size-Overall3%

“Ideal size”

Display-Overall2%

“It is well built with a clear display”

What buyers complain about

Ease Of Use18%

“The device's operation is particularly frustrating”

Measurement/Reading Accuracy14%

“The meter is not correct in metering electric field”

Strength14%

“Too be honest something small is rattling inside it”

Functionality-Overall14%

“it doesnt work”

Instructions/User Manual/Troubleshooting14%

“unclear operating instructions”

Display-Overall11%

“display readings while the button is actively held down”

Design-Overall7%

“GC and its designers seem to be too lazy to design a much better EMF meter”

Battery Life4%

“While it includes a 9V battery and claims to help protect your health by identifying high-radiation zones, the actual user experience is marred by a significantly non-intuitive interface and inconsistent performance”

Touch/Button Controls4%

“display readings while the button is actively held down”

Top return reasons

Functionality-Overall61%

Defective Material/Parts7%

Quality-Overall6%

Measurement/Reading Accuracy4%

Compatibility-Overall4%

Value For Money3%

Advertised Vs Actual Product3%

Color3%

Strength2%

Size-Overall2%

Common questions

Is emf meter profitable to sell on Amazon United Kingdom?: The niche generates £74K/yr across 15 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -16.9%. Flapen's verdict: Skip it (46/100).
How competitive is the emf meter niche?: 13 brands and 15 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 73% of demand.
What do buyers complain about in emf meter?: Top complaints mined from reviews: Ease Of Use, Measurement/Reading Accuracy, Strength. The return rate is 2.9%.
When does demand for emf meter peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the emf meter niche?: Listings span £7.26–£77.61; the average listing price is £19.76 (sweet spot $15–$100). The average incumbent carries 863 reviews — the moat a new listing must climb.