A vs EMF Detector (Scanner)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A
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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。
EMF Detector (Scanner)
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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
Verdict
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
Both are free to download. EMF Detector (Scanner) sells 2 one-off in-app purchases. A asks for nothing beyond the download.
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.
| Parameter | A | EMF Detector (Scanner) |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 37 MB | 6 MB |
| Age rating | 4+ | +4 |
| Developer | ACMETEC HOLDINGS LTD | JongMin Lee |
In-app purchases
A
No in-app purchases
EMF Detector (Scanner)
- 1 Month Premium Pass$0.99
- 1 Year Premium Pass$2.99









