# Ghost Science M3 vs Ghost Detector EMF Necrometer

The clearest difference is price: Ghost Detector EMF Necrometer at Free against Ghost Science M3's $10.99. Ghost Detector EMF Necrometer also leads on update cadence (every 10 days vs every 5 weeks). Ghost Science M3's advantage is rating (4.6 vs 4.0) and in-app purchases (none vs 4). On ads, device support and iOS requirement there is nothing between them.

Ghost Detector EMF Necrometer is free to download; Ghost Science M3 costs $10.99 up front. Ghost Detector EMF Necrometer sells 4 in-app purchases, starting at $4.99 per 7 days. Ghost Science M3 asks for nothing beyond the download.

Ghost Science M3 holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Ghost Science M3 has 2.7K ratings behind it against 389, so its average is the more settled of the two. Written reviews point the same way: 74% of Ghost Science M3's written reviews are positive against 54% of Ghost Detector EMF Necrometer's.

Ghost Science M3 ships an update every 5 weeks, Ghost Detector EMF Necrometer every 10 days. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Ghost Science M3 | Ghost Detector EMF Necrometer |
| --- | --- | --- |
| Price | $10.99 | **Free** |
| Rating | **[4.6 (2.7K ratings)](https://appshunter.io/ios/app/ghost-science-m3/id1360656789/reviews)** | [4.0 (389 ratings)](https://appshunter.io/ios/app/ghost-detector-emf-necrometer/id6754881764/reviews) |
| Number of ratings | **2.7K** | 389 |
| Positive reviews | **74.4% of reviews** | 54.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | **Free** | Subscription |
| Best chart rank | **#2** | — |
| Size | 331 MB | 68 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 9+ |
| Developer | [Michael Weber](https://appshunter.io/developer/349078052) | [Boss Web SRL](https://appshunter.io/developer/1839514881) |

## What reviewers say

### Ghost Science M3

[App page](https://appshunter.io/ios/app/ghost-science-m3/id1360656789)

**Currently charting:** #2 Top Paid · Entertainment, #45 Top Paid (US App Store)

This advanced paranormal investigation toolkit utilizes cutting-edge technology to detect and visualize potential supernatural activity. Features include infrared laser grid imaging, AI-driven figure detection, real-time audio analysis for spirit communication, and environmental monitoring.

**Highlights:** Infrared laser grid imaging with AI figure detection, Spirit Box with real-time audio analysis, LiDAR-enabled spatial mapping, Environmental monitoring for paranormal phenomena, EMF detection and visualization, EVP and ITC communication tools

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Useful paranormal investigation tools
- 🚀 Comprehensive set of features
- 💡 Innovative technology
- 🔒 Accurate sensor readings

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🔋 Compatibility issues with older devices
- 🤔 Unclear instructions and guidance
- 🤷‍♀️ Questionable reliability of some features

**Reported bugs**

- Lidar feature not working
- EVP recordings not saving
- Frequent app crashes
- Compatibility issues with certain iOS versions

**Requested features**

- Add ability to record and playback EVP sessions
- Improve ghost box functionality
- Provide more detailed information on sensor data
- Allow customization of the dashboard


### Ghost Detector EMF Necrometer

[App page](https://appshunter.io/ios/app/ghost-detector-emf-necrometer/id6754881764)

This app combines EMF detection with a spirit box to facilitate paranormal communication. It offers professional-grade tools for real-time environmental monitoring and authentic voice manifestations, designed for both enthusiasts and experienced investigators.

**Highlights:** EMF Magnetic Energy Detection, DR60 Spirit Box Sound Bank, Phoneme-Based Audio Generation, 9 Sound Banks and White Noise, Spoken Response System (Text-to-Speech), Built-In Audio Effects (Echo, Reverb), Advanced Paranormal Tools (Waveform Display)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Monthly Plan | $9.99 | per month |
| Special Offer | $14.99 | one-time |
| Lifetime Plan | $29.99 | one-time |


## Frequently asked questions

### Is Ghost Science M3 free?

Ghost Science M3 costs $10.99, with no in-app purchases.

### Is Ghost Detector EMF Necrometer free?

Ghost Detector EMF Necrometer is free to download, with in-app purchases available.

### Which has better reviews, Ghost Science M3 or Ghost Detector EMF Necrometer?

Ghost Science M3 is rated higher. Ghost Science M3 averages 4.6 out of 5 from 2.7K ratings, while Ghost Detector EMF Necrometer averages 4.0 from 389 ratings.

### Do Ghost Science M3 or Ghost Detector EMF Necrometer have ads?

Neither Ghost Science M3 nor Ghost Detector EMF Necrometer shows ads.

### Which is updated more often, Ghost Science M3 or Ghost Detector EMF Necrometer?

Ghost Science M3 ships an update every 5 weeks, and Ghost Detector EMF Necrometer every 10 days. Most recently, Ghost Science M3 was updated on October 18, 2026 and Ghost Detector EMF Necrometer on October 16, 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.*