# Aliens Motion Tracker vs Ghost Detector

The clearest difference is price: Ghost Detector at Free against Aliens Motion Tracker's $0.99. Ghost Detector also leads on update cadence (every 6 weeks vs every 14 months) and ratings volume (6.1K vs 291). Aliens Motion Tracker's advantage is in-app purchases (none vs 10) and ads (none vs shown). On rating, review sentiment and device support there is nothing between them.

Ghost Detector is free to download; Aliens Motion Tracker costs $0.99 up front. Ghost Detector sells 10 in-app purchases, starting at $0.99 per 7 days. Aliens Motion Tracker asks for nothing beyond the download.

Aliens Motion Tracker holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Ghost Detector has 6.1K ratings behind it against 291, so its average is the more settled of the two. Written reviews complicate that: 63% of Aliens Motion Tracker's written reviews are positive against 64% of Ghost Detector's, so the app with the better star average is not the one people write more warmly about.

Aliens Motion Tracker ships an update every 14 months, Ghost Detector every 6 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Aliens Motion Tracker | Ghost Detector |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (291 ratings)](https://appshunter.io/ios/app/aliens-motion-tracker/id832823029/reviews)** | [4.5 (6.1K ratings)](https://appshunter.io/ios/app/ghost-detector-spirit-box/id1583251752/reviews) |
| Number of ratings | 291 | **6.1K** |
| Positive reviews | 62.5% of reviews | **63.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 190 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Dizzy Squirrel Limited](https://appshunter.io/developer/587374273) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Aliens Motion Tracker

[App page](https://appshunter.io/ios/app/aliens-motion-tracker/id832823029)

Transform your device into an entertainment motion tracker inspired by classic sci-fi. Simulate alien encounters with authentic visuals and sounds, controlled by your device's compass and gyroscope.

**Highlights:** Authentic visuals and sound, Device compass and gyroscope control, Tap to place alien on scanner, Recreate movie scenes, Enact own alien encounters

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

**In-app purchases:** none

**What reviewers like**

- 🤩 Authentic movie replica
- 👍 Great for fans
- ✨ Cool visual effects
- 💯 Fun novelty app
- 🎯 Accurate display

**What reviewers complain about**

- 🔇 No sound issues
- 🔊 Sound not working
- 😞 Pulse sound inaccurate
- ❌ Audio problems

**Reported bugs**

- No sound at all
- Sound doesn't work
- Audio not playing
- Stopped producing multiple pings
- Sound doesn't work through iPhone X

**Requested features**

- Add AirTag tracking
- Sentry Gun control mode
- More customization options (color, background)
- Targets running at the user
- Multiply pinging sound with more targets


### Ghost Detector

[App page](https://appshunter.io/ios/app/ghost-detector-spirit-box/id1583251752)

Simulate a ghost hunting experience using your device's sensors. Detect sound waves with the microphone, visualize magnetic fields with the magnetometer, and apply special camera filters to create a spooky atmosphere. Record your investigations and share them with others.

**Highlights:** Microphone sound wave detection, Magnetometer magnetic field visualization, Adjustable magnetometer sensitivity, Special camera filters, Screen recording for investigations, Share recordings with friends

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $0.99 | per 7 days |
| Weekly Premium Access | $2.99 | per 7 days |
| Weekly with trial | $4.99 | per 7 days |
| Weekly with Trial | $5.99 | per 7 days |
| weekly with 3d trial | $5.99 | per 7 days |
| Monthly Premium Access | $6.99 | per month |
| Weekly with trial | $6.99 | per 7 days |
| weekly with trial | $7.99 | per 7 days |
| weekly with trial | $8.99 | per 7 days |
| Lifetime Premium Access | $24.99 | one-time |

**What reviewers like**

- 🚀 Interesting app
- 👍 Scary but enjoyable experience
- 🤖 EMF detection feature works

**What reviewers complain about**

- 🐛 Frequent glitches and bugs
- 🔋 High battery consumption
- 🔇 Annoying audio/sound effects
- 💰 Expensive subscription model

**Reported bugs**

- App crashes frequently
- Compatibility issues with older devices
- Unreliable sensor readings

**Requested features**

- More advanced ghost detection capabilities
- Ability to communicate with spirits
- Improved stability and reliability


## Frequently asked questions

### Is Aliens Motion Tracker free?

Aliens Motion Tracker costs $0.99, with no in-app purchases.

### Is Ghost Detector free?

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

### Which has better reviews, Aliens Motion Tracker or Ghost Detector?

Aliens Motion Tracker is rated higher. Aliens Motion Tracker averages 4.7 out of 5 from 291 ratings, while Ghost Detector averages 4.5 from 6.1K ratings.

### Do Aliens Motion Tracker or Ghost Detector have ads?

Ghost Detector shows ads; Aliens Motion Tracker does not.

### Which is updated more often, Aliens Motion Tracker or Ghost Detector?

Aliens Motion Tracker ships an update every 14 months, and Ghost Detector every 6 weeks. Most recently, Aliens Motion Tracker was updated on November 6, 2026 and Ghost Detector on November 7, 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.*