# Alien Motion Detector vs Alien Motion Tracker

The clearest difference is price: Alien Motion Tracker at Free against Alien Motion Detector's $1.99. Alien Motion Detector's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 15.0). On ads and device support there is nothing between them.

Alien Motion Tracker is free to download; Alien Motion Detector costs $1.99 up front. Alien Motion Tracker sells 3 one-off in-app purchases. Alien Motion Detector asks for nothing beyond the download.

## The numbers

| Metric | Alien Motion Detector | Alien Motion Tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.9 (31 ratings)](https://appshunter.io/ios/app/alien-motion-detector/id578146041/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 66.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 30 MB | 73 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joey To](https://appshunter.io/developer/578146044) | [Ludovic Fleury](https://appshunter.io/developer/6778570057) |

## What reviewers say

### Alien Motion Detector

[App page](https://appshunter.io/ios/app/alien-motion-detector/id578146041)

This app is for entertainment purposes only, simulating alien detection. Users can place and interact with virtual aliens on their screen, watching them move and react. It utilizes device gyroscopes for an interactive experience.

**Highlights:** Simulated alien motion detection, Place and draw virtual aliens, Aliens swarm to your location, Adjust alien behavior (count, speed, lifetime), Gyroscope-controlled interaction

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

**In-app purchases:** none

**What reviewers like**

- 🎵 Authentic sounds
- 🤩 Fan favorite
- 💯 Faithful representation
- 🎮 Fun for role-playing
- 💡 Good idea, well-executed

**What reviewers complain about**

- 💸 Overpriced for features
- 🐌 Slow ping/tracking
- 🚫 No sound reported
- 📱 Not working on newer iPhones
- 👎 Basic functionality

**Reported bugs**

- No audio/sound
- Won't add to watch screen
- Placing aliens on screen not working
- Can't add beeping sound
- Doesn't work on iPhone XS Max

**Requested features**

- Auto-generated movement setting
- Add Bluetooth detection for friends
- Integrate with location services
- Record feature
- Higher pitch sound as aliens get closer


### Alien Motion Tracker

[App page](https://appshunter.io/ios/app/alien-motion-tracker/id6778570055)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Humble Unlock | $6.99 | one-time |
| Fair Unlock | $12.99 | one-time |
| Supporter Unlock | $17.99 | one-time |


## Frequently asked questions

### Is Alien Motion Detector free?

Alien Motion Detector costs $1.99, with no in-app purchases.

### Is Alien Motion Tracker free?

Alien Motion Tracker is free to download, with in-app purchases available.

### Do Alien Motion Detector or Alien Motion Tracker have ads?

Neither Alien Motion Detector nor Alien Motion Tracker shows ads.

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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.*