# Alien Motion Detector vs Alien Xenomorph Sounds

The clearest difference is review sentiment: Alien Motion Detector at 66% against Alien Xenomorph Sounds's 0%. Alien Motion Detector also leads on rating (3.9 vs 2.0) and ads (none vs shown). Alien Xenomorph Sounds's advantage is price (Free vs $1.99). On in-app purchases and device support there is nothing between them.

Alien Xenomorph Sounds is free to download; Alien Motion Detector costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Alien Motion Detector holds the better App Store score, 3.9 against 2.0. That said, the two scores are not equally well evidenced: Alien Motion Detector has 31 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of Alien Motion Detector's written reviews are positive against 0% of Alien Xenomorph Sounds's.

## The numbers

| Metric | Alien Motion Detector | Alien Xenomorph Sounds |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.9 (31 ratings)](https://appshunter.io/ios/app/alien-motion-detector/id578146041/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/alien-xenomorph-sounds/id6745321503/reviews) |
| Number of ratings | **31** | 2 |
| Positive reviews | **66.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | — |
| Monetization | **Free** | Ad-supported |
| Best chart rank | **#176** | — |
| Size | 30 MB | 8 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Joey To](https://appshunter.io/developer/578146044) | [Maxim Rudyi](https://appshunter.io/developer/1784674766) |

## What reviewers say

### Alien Motion Detector

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

**Currently charting:** #176 Top Paid · Entertainment (US App Store)

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 Xenomorph Sounds

[App page](https://appshunter.io/ios/app/alien-xenomorph-sounds/id6745321503)

Experience a collection of 24 distinct alien monster sounds, including screams, runs, and egg noises. Simply press a button to play the loud and potentially startling audio. This app is intended for entertainment purposes only and is not recommended for children.

**Highlights:** 24 alien monster sounds, Alien scream sounds, Alien run sounds, Alien egg sounds, Simple button interface, Loud audio playback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alien Motion Detector free?

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

### Is Alien Xenomorph Sounds free?

Alien Xenomorph Sounds is free to download, with no in-app purchases.

### Which has better reviews, Alien Motion Detector or Alien Xenomorph Sounds?

Alien Motion Detector is rated higher. Alien Motion Detector averages 3.9 out of 5 from 31 ratings, while Alien Xenomorph Sounds averages 2.0 from 2 ratings.

### Do Alien Motion Detector or Alien Xenomorph Sounds have ads?

Alien Xenomorph Sounds shows ads; Alien Motion Detector does not.

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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.*