MotionTracker vs Aliens Motion Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MotionTracker
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.
- Real-time motion detection
- Original and motion video views
- Adjustable motion sensitivity
- Highlights motion in green
- Works with standard iPhone camera
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MotionTracker v1.0 by Simon Wilson ================================== Small app that can be used to identify motion using the standard camera in iphone devices! The application contains two capture views, above is the original video, below is the motion video with motion highlighted in green. The amount of motion required to trigger green areas (Sensitivity) can be adjusted using the slider. Perfect for adapting to different lighting conditions.
Aliens Motion Tracker
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.
- Authentic visuals and sound
- Device compass and gyroscope control
- Tap to place alien on scanner
- Recreate movie scenes
- Enact own alien encounters
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This app is intended for entertainment purposes only and does not provide true motion tracking functionality. Recreate the scene from the classic movie, or enact your own alien encounter! Turn your iPhone into an ‘Aliens Motion Tracker’ complete with authentic visuals and sound. The Aliens Motion Tracker is controller by the device compass & gyroscope (where present) - just tap the screen to place an Alien on the scanner.
Screenshots
Verdict
The clearest difference is review sentiment: Aliens Motion Tracker at 63% against MotionTracker's 0%. Aliens Motion Tracker also leads on rating (4.7 vs 1.0) and monetization model (free vs paid). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
MotionTracker costs $0.99 and Aliens Motion Tracker $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Aliens Motion Tracker holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Aliens Motion Tracker has 290 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 63% of Aliens Motion Tracker's.
MotionTracker ships an update every 38 months, Aliens Motion Tracker every 14 months. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.
| Parameter | MotionTracker | Aliens Motion Tracker |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 1.0 (1 ratings) | 4.7 (290 ratings) — better |
| Positive reviews | 0.0% of reviews | 62.5% of reviews — better |
| Number of ratings | 1 | 290 — better |
| Update frequency | Every 38 months | Every 14 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | — | #193 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicholas Wilson | Dizzy Squirrel Limited |
Customer experience
MotionTracker
Aliens Motion Tracker
Bugs and requests
MotionTracker
Not enough reviews yet to summarise bugs or requests.
Aliens Motion Tracker
Reported bugs
9 issues- No sound at all
- Sound doesn't work
- Audio not playing
- Stopped producing multiple pings
- Sound doesn't work through iPhone X
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- No sound for tracker or dots
- Sound geht nicht
- No sound coming from it
- No sound whatsoever
Requested features
10 requests- Add AirTag tracking
- Sentry Gun control mode
- More customization options (color, background)
- Targets running at the user
- Multiply pinging sound with more targets
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- Random target generation mode
- Leverage 'find me' devices app
- Watch support
- Reset targets without restarting
- Hold iPhone upright option
In-app purchases
MotionTracker
No in-app purchases
Aliens Motion Tracker
No in-app purchases
Questions
Is MotionTracker free?
Is Aliens Motion Tracker free?
Which has better reviews, MotionTracker or Aliens Motion Tracker?
Do MotionTracker or Aliens Motion Tracker have ads?
Which is updated more often, MotionTracker or Aliens Motion Tracker?
Other comparisons
