# Electromagnetic Wave Measuring instrument vs Ghost Voice Box

The clearest difference is in-app purchases: Electromagnetic Wave Measuring instrument at none against Ghost Voice Box's 4. Electromagnetic Wave Measuring instrument also leads on ads (none vs shown) and rating (4.0 vs 3.6). Ghost Voice Box's advantage is ratings volume (323 vs 1). On price and device support there is nothing between them.

Both are free to download. Ghost Voice Box sells 4 in-app purchases, starting at $1.99 per 7 days. Electromagnetic Wave Measuring instrument asks for nothing beyond the download.

Electromagnetic Wave Measuring instrument holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: Ghost Voice Box has 323 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Electromagnetic Wave Measuring instrument | Ghost Voice Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/electromagnetic-wave-measuring-instrument/id1090924472/reviews)** | [3.6 (323 ratings)](https://appshunter.io/ios/app/ghost-voice-box-evp-detector/id1535873613/reviews) |
| Number of ratings | 1 | **323** |
| Positive reviews | — | 36.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 197 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Eun Junseok](https://appshunter.io/developer/439258050) | [Zee Weasel](https://appshunter.io/developer/1025393456) |

## What reviewers say

### Electromagnetic Wave Measuring instrument

[App page](https://appshunter.io/ios/app/electromagnetic-wave-measuring-instrument/id1090924472)

Detect electromagnetic waves emitted by electronic devices using your smartphone's magnetic sensor. Identify potential health risks associated with radiation exposure and understand safety benchmarks for various appliances.

**Highlights:** Detects electromagnetic waves, Uses phone's magnetic sensor, Identifies electronic devices, Provides safety benchmarks, Measures radiation levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Ghost Voice Box

[App page](https://appshunter.io/ios/app/ghost-voice-box-evp-detector/id1535873613)

This app simulates a paranormal communication tool, allowing users to explore potential spirit interactions. It functions as an EVP communicator and ghost detector, designed to capture real-time messages and enhance ghost hunting experiences.

**Highlights:** Spirit Talker functionality, Ghost Radio frequencies, Voice Box Detector, Real-time spirit conversations, Free paranormal tool

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voice Box Pro 1-Week | $1.99 | per 7 days |
| Voice Box Pro 1-Month | $3.99 | per month |
| Voice Box Pro 1-Year | $12.99 | per year |
| Ghost Voice Box Pro | $19.99 | one-time |

**What reviewers like**

- 🚀 Works well
- 👍 Interesting experience
- 🤖 Communicates with spirits

**What reviewers complain about**

- 🐛 Audio issues
- 🔇 Can't understand responses
- 🤖 Fake/pre-recorded responses
- 💤 No static/white noise

**Reported bugs**

- App crashes
- Audio cuts out
- Unresponsive

**Requested features**

- Ability to adjust voice pitch/volume
- More varied responses
- Compatibility improvements


## Frequently asked questions

### Is Electromagnetic Wave Measuring instrument free?

Electromagnetic Wave Measuring instrument is free to download, with no in-app purchases.

### Is Ghost Voice Box free?

Ghost Voice Box is free to download, with in-app purchases available.

### Which has better reviews, Electromagnetic Wave Measuring instrument or Ghost Voice Box?

Electromagnetic Wave Measuring instrument is rated higher. Electromagnetic Wave Measuring instrument averages 4.0 out of 5 from 1 ratings, while Ghost Voice Box averages 3.6 from 323 ratings.

### Do Electromagnetic Wave Measuring instrument or Ghost Voice Box have ads?

Ghost Voice Box shows ads; Electromagnetic Wave Measuring instrument does not.

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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.*