# EMF Detector (Scanner) vs Onkyo ear

The clearest difference is in-app purchases: Onkyo ear at none against EMF Detector (Scanner)'s 2. Onkyo ear also leads on ads (none vs shown). EMF Detector (Scanner)'s advantage is update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. EMF Detector (Scanner) sells 2 one-off in-app purchases. Onkyo ear asks for nothing beyond the download.

EMF Detector (Scanner) ships an update weekly, Onkyo ear monthly. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | EMF Detector (Scanner) | Onkyo ear |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/emf-detector-scanner/id6759452241/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 33 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JongMin Lee](https://appshunter.io/developer/1796849061) | [Onkyo Corporation](https://appshunter.io/developer/1619916570) |

## What reviewers say

### EMF Detector (Scanner)

[App page](https://appshunter.io/ios/app/emf-detector-scanner/id6759452241)

Visualize electromagnetic field activity using your device's magnetometer. Monitor real-time changes with clear graphs and history logs. Useful for checking electronics and exploring magnetic environments.

**Highlights:** Real-time EMF meter, Live waveform and graph views, FFT frequency analysis, Signal change detection, Measurement history, Export options (PDF, video), Interactive sound effects

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium Pass | $0.99 | one-time |
| 1 Year Premium Pass | $2.99 | one-time |


### Onkyo ear

[App page](https://appshunter.io/ios/app/onkyo-ear/id6793033560)

**In-app purchases:** none


## Frequently asked questions

### Is EMF Detector (Scanner) free?

EMF Detector (Scanner) is free to download, with in-app purchases available.

### Is Onkyo ear free?

Onkyo ear is free to download, with no in-app purchases.

### Do EMF Detector (Scanner) or Onkyo ear have ads?

EMF Detector (Scanner) shows ads; Onkyo ear does not.

### Which is updated more often, EMF Detector (Scanner) or Onkyo ear?

EMF Detector (Scanner) ships an update weekly, and Onkyo ear monthly. Most recently, EMF Detector (Scanner) was updated on October 31, 2026 and Onkyo ear on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*