# MotionTracker vs Ghost Detector EMF Necrometer

The clearest difference is review sentiment: Ghost Detector EMF Necrometer at 54% against MotionTracker's 0%. Ghost Detector EMF Necrometer also leads on price (Free vs $0.99) and rating (4.0 vs 1.0). MotionTracker's advantage is in-app purchases (none vs 4) and iOS requirement (15.6 vs 17.0). On ads and device support there is nothing between them.

Ghost Detector EMF Necrometer is free to download; MotionTracker costs $0.99 up front. Ghost Detector EMF Necrometer sells 4 in-app purchases, starting at $4.99 per 7 days. MotionTracker asks for nothing beyond the download.

Ghost Detector EMF Necrometer holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Ghost Detector EMF Necrometer has 446 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of MotionTracker's written reviews are positive against 54% of Ghost Detector EMF Necrometer's.

MotionTracker ships an update every 38 months, Ghost Detector EMF Necrometer every 10 days. The most recent releases landed on October 19, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MotionTracker | Ghost Detector EMF Necrometer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/motiontracker/id541432510/reviews) | **[4.0 (446 ratings)](https://appshunter.io/ios/app/ghost-detector-emf-necrometer/id6754881764/reviews)** |
| Number of ratings | 1 | **446** |
| Positive reviews | 0.0% of reviews | **54.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 10 days** |
| Monetization | **Paid** | Subscription |
| Size | 2 MB | 68 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Nicholas Wilson](https://appshunter.io/developer/440497890) | [Boss Web SRL](https://appshunter.io/developer/1839514881) |

## What reviewers say

### MotionTracker

[App page](https://appshunter.io/ios/app/motiontracker/id541432510)

This application uses your device's camera to detect and highlight motion in real-time. It features two viewing panes: one for the original video feed and another for the motion-highlighted feed in green. Adjust the sensitivity to adapt to various lighting conditions.

**Highlights:** Real-time motion detection, Original and motion video views, Adjustable motion sensitivity, Highlights motion in green, Works with standard iPhone camera

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

**In-app purchases:** none


### 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 MotionTracker free?

MotionTracker costs $0.99, 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, MotionTracker or Ghost Detector EMF Necrometer?

Ghost Detector EMF Necrometer is rated higher. MotionTracker averages 1.0 out of 5 from 1 ratings, while Ghost Detector EMF Necrometer averages 4.0 from 446 ratings.

### Do MotionTracker or Ghost Detector EMF Necrometer have ads?

Neither MotionTracker nor Ghost Detector EMF Necrometer shows ads.

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

MotionTracker ships an update every 38 months, and Ghost Detector EMF Necrometer every 10 days. Most recently, MotionTracker was updated on October 19, 2026 and Ghost Detector EMF Necrometer on October 30, 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.*