Comparison

A vs EMF Detector (Scanner)

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

Head to head
About

A

Features
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1. 用户可以通过应用程序对灯具进行的操作,如地址码、亮度调节、颜色设置等。 2. 用户可以查看LED使用时长,湿度,温度等设备信息。 3. 用户可以创建和保存不同的灯具场景模式。 4. 应用程序监控设备状态。

About

EMF Detector (Scanner)

Features
Read full description

EMF Detector helps you visualize Electromagnetic Field (EMF) activity around you using your iPhone’s built-in magnetometer. Whether you are checking electronics, exploring your environment, or tracking unusual magnetic changes, EMF Detector provides a clear and easy-to-read real-time experience. KEY FEATURES • Real-time EMF meter with smooth, responsive updates • Live waveform and graph views for continuous monitoring • FFT view to inspect frequency components of signal changes • Signal change detection to catch sudden spikes and drops • Measurement history so you can review previous sessions • Export options (such as PDF and video capture) for sharing and reporting • Sound effects and feedback options for interactive monitoring • Clean, intuitive interface designed for quick readings USE CASES • Scan around household electronics • Compare magnetic activity in different rooms • Observe signal behavior near cables, adapters, and devices • Record and share findings for personal reference IMPORTANT NOTES • This app is for general informational and educational use. • Because this app uses your phone’s built-in sensors, readings may vary depending on your device specifications, device condition, and surrounding environment; use all measurements for reference only. Upgrade options may be available for additional features and an enhanced experience.

Screenshots

A4 screens
EMF Detector (Scanner)4 screens

Verdict

The call

The clearest difference is in-app purchases: A at none against EMF Detector (Scanner)'s 2. A also leads on ads (none vs shown) and iOS requirement (14.0 vs 17.6). On price, update cadence 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. EMF Detector (Scanner) sells 2 one-off in-app purchases. A asks for nothing beyond the download.

UpkeepUpdate frequency

A ships an update every 8 days, EMF Detector (Scanner) weekly. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level
A versus EMF Detector (Scanner): the parameters behind the verdict, then further details
ParameterAEMF Detector (Scanner)
PriceFreeFree
Update frequencyEvery 8 daysWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS14.0 — better17.6
Further details — not scored
Size37 MB6 MB
Age rating4++4
DeveloperACMETEC HOLDINGS LTDJongMin Lee

In-app purchases

None

A

No in-app purchases

2 purchases

EMF Detector (Scanner)

One-time2
  • 1 Month Premium Pass$0.99
  • 1 Year Premium Pass$2.99

Questions

Is A free?
A is free to download, with no in-app purchases.
Is EMF Detector (Scanner) free?
EMF Detector (Scanner) is free to download, with in-app purchases available.
Do A or EMF Detector (Scanner) have ads?
EMF Detector (Scanner) shows ads; A does not.
Which is updated more often, A or EMF Detector (Scanner)?
A ships an update every 8 days, and EMF Detector (Scanner) weekly. Most recently, A was updated on October 17, 2026 and EMF Detector (Scanner) on October 9, 2026.

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