# Spirit Box EMF Ghost Detector vs Necrometer

Spirit Box EMF Ghost Detector and Necrometer both sit at 4.1 stars, but that hides the real split: 100% of Necrometer's written reviews are positive against 52% of Spirit Box EMF Ghost Detector's. Necrometer also leads on in-app purchases (none vs 5). Spirit Box EMF Ghost Detector's advantage is price (Free vs $1.99) and ratings volume (503 vs 4). On rating, update cadence, ads and device support there is nothing between them.

Spirit Box EMF Ghost Detector is free to download; Necrometer costs $1.99 up front. Spirit Box EMF Ghost Detector sells 5 in-app purchases, starting at $4.99 per 7 days. Necrometer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.1 for Spirit Box EMF Ghost Detector against 4.0 for Necrometer. That said, the two scores are not equally well evidenced: Spirit Box EMF Ghost Detector has 503 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 52% of Spirit Box EMF Ghost Detector's written reviews are positive against 100% of Necrometer's.

Spirit Box EMF Ghost Detector ships an update every 6 days, Necrometer every 9 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Spirit Box EMF Ghost Detector | Necrometer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.1 (503 ratings)](https://appshunter.io/ios/app/spirit-box-emf-ghost-detector/id6741384006/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/necrometer-ghost-detector-emf/id6770125558/reviews) |
| Number of ratings | **503** | 4 |
| Positive reviews | 51.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 9 days |
| Monetization | Subscription | **Paid** |
| Size | 61 MB | 43 MB |
| Requires iOS | **15** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Boss Web SRL](https://appshunter.io/developer/1839514881) | [Mert Can Oral](https://appshunter.io/developer/1896054568) |

## What reviewers say

### Spirit Box EMF Ghost Detector

[App page](https://appshunter.io/ios/app/spirit-box-emf-ghost-detector/id6741384006)

This app offers advanced tools for paranormal investigation and spirit communication. It features phoneme-based audio, professional sound banks, real-time audio effects, and tracking tools to aid in EVP detection and immersive spirit interaction.

**Highlights:** Phoneme-based audio for spirit communication, Professional sound banks and white noise, Real-time echo and reverb audio effects, Radar and tracker tools for energy monitoring, Mute switch detection alerts, EVP tracking and paranormal research

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

**In-app purchases (5)**

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

**What reviewers like**

- 🎯 Accurate and contextual responses to questions
- 🎨 Clean and simple user interface design
- 🔊 Natural-sounding audio without distortion
- ✨ Engaging and atmospheric experience for paranormal investigations
- 📱 Easy to use and intuitive controls

**What reviewers complain about**

- 💰 Aggressive paywall blocking all functionality
- 🚫 Misleading free version claims with mandatory subscription
- 🔄 Repetitive sounds and looping audio patterns
- 📢 Multiple subscription pop-ups interrupting user experience
- ❌ Non-functional even after purchasing subscription

**Reported bugs**

- Subscription pop-ups appearing repeatedly and blocking functionality
- App becomes non-functional after subscription purchase
- Microphone access not requested but app responds as if listening
- Magnetic field interference causing false responses
- App crashes or stops working after updates

**Requested features**

- Free trial period before requiring payment
- Adjustable sweep speed settings
- Pause functionality for audio playback
- Customer support contact information
- Clear disclosure of subscription requirements in app description


### Necrometer

[App page](https://appshunter.io/ios/app/necrometer-ghost-detector-emf/id6770125558)

Transform your device into a paranormal investigation tool. This app simulates ghost detection, EMF scanning, and spirit communication using your phone's sensors and real-time signal generation for an immersive experience.

**Highlights:** EMF Scanner & Ghost Detector, Spirit Box & ITC Communication, EVP Recorder & Audio Scanner, Paranormal Investigation Sessions, Customization & Atmosphere

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

**In-app purchases:** none


## Frequently asked questions

### Is Spirit Box EMF Ghost Detector free?

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

### Is Necrometer free?

Necrometer costs $1.99, with no in-app purchases.

### Which has better reviews, Spirit Box EMF Ghost Detector or Necrometer?

Spirit Box EMF Ghost Detector is rated higher. Spirit Box EMF Ghost Detector averages 4.1 out of 5 from 503 ratings, while Necrometer averages 4.0 from 4 ratings.

### Do Spirit Box EMF Ghost Detector or Necrometer have ads?

Neither Spirit Box EMF Ghost Detector nor Necrometer shows ads.

### Which is updated more often, Spirit Box EMF Ghost Detector or Necrometer?

Spirit Box EMF Ghost Detector ships an update every 6 days, and Necrometer every 9 days. Most recently, Spirit Box EMF Ghost Detector was updated on October 28, 2026 and Necrometer on October 28, 2026.

---

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