Comparison

EMF Detector vs netWatch2 sub

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EMF Detector

This tool uses your iPhone's magnetometer to measure electromagnetic field (EMF) activity in real time. Visualize EMF levels with clear indicators and receive haptic alerts when levels rise. Explore your surroundings with confidence by understanding magnetic field strength.

Highlights
  • EMF Meter for microtesla readings
  • Real-time radiation meter
  • Activity level indicators (safe, caution, alert)
  • Haptic alerts for high EMF
  • Simple, instant measurement interface
Read full description

EMF Detector – Radiation Meter helps you measure electromagnetic field (EMF) activity around you using your iPhone’s built-in magnetometer. Stay aware of your environment by visualizing EMF levels in real time on an easy-to-read digital meter. Whether you’re checking electronic devices, household areas, or nearby objects, this tool provides quick insights into magnetic field strength so you can explore your surroundings with confidence. Key Features: • EMF Meter – detect electromagnetic field activity in microtesla (µT) • Radiation Meter – view live EMF intensity levels instantly • Activity Levels – safe, caution, and alert indicators for clarity • Haptic Alerts – feel a vibration when EMF levels rise above the threshold • Simple Interface – just open the app and start measuring Important: • Readings depend on your iPhone’s magnetometer sensor. • Keep your device away from cases, magnets, or speakers for best accuracy. • This app is a measurement tool only and does not provide medical or safety certification. Download EMF Detector – Radiation Meter today and explore the hidden magnetic activity around you!

About

netWatch2 sub

Features
Read full description

netWatch 2 sub 是 PBN 公司推出的一款集监测、维护和故障定位于一体的高效 GW 网络质量监测工具,利用业界先进的 FBC(全频带捕获)和 PNM(主动式网络维护)技术,能提供从中心机房到户外现场的网络实时监测,使得单人完成故障排除成为可能,并极大的减少了问题定位时间。

Screenshots

EMF Detector4 screens
netWatch2 sub3 screens

Verdict

The call

The clearest difference is ads: netWatch2 sub at none against EMF Detector's shown. netWatch2 sub also leads on update cadence (daily vs every 86 months) and iOS requirement (11.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

EMF Detector ships an update every 86 months, netWatch2 sub daily. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 5 level
EMF Detector versus netWatch2 sub: the parameters behind the verdict, then further details
ParameterEMF DetectornetWatch2 sub
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 86 monthsDaily — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.611.0 — better
Further details — not scored
Size14 MB9 MB
Age rating4+4+
DeveloperMuhammad AqibPBN Innovation (Beijing) Co., Ltd.

In-app purchases

None

EMF Detector

No in-app purchases

None

netWatch2 sub

No in-app purchases

Questions

Is EMF Detector free?
EMF Detector is free to download, with no in-app purchases.
Is netWatch2 sub free?
netWatch2 sub is free to download, with no in-app purchases.
Do EMF Detector or netWatch2 sub have ads?
EMF Detector shows ads; netWatch2 sub does not.
Which is updated more often, EMF Detector or netWatch2 sub?
EMF Detector ships an update every 86 months, and netWatch2 sub daily. Most recently, EMF Detector was updated on November 2, 2026 and netWatch2 sub on November 4, 2026.

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