Comparison

Alien Motion Detector vs Justicetrix

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Alien Motion Detector

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
Read full description

Disclaimer: This app is intended for entertainment purposes only and does not provide true motion tracking functionality. Track and detect aliens all around you! just start the application and place your aliens on the screen by tapping or drawing them to see and hear them. The aliens will automatically start to swarm onto your location. The latest update now comes with extra configurations to change how you want the aliens on the screen to behave including how many, speed and lifetime. Alien Motion Detector is fully controlled by the gyroscopes and requires that you have this present in the device you are using. Follow our Twitter @kmonkeyblog

About

Justicetrix

Train to become a hero with a wrist-worn system that tests your reflexes and decision-making. Engage in justice-driven missions and tactical transformations, optimized for smartwatches. Enjoy offline play with no distractions.

Highlights
  • Justice-driven missions
  • Tactical transformation system
  • Advanced wrist HUD interface
  • Optimized for smartwatches
  • Gesture-based input
  • Offline play
  • No ads
Features
Read full description

Justicetrix – Train. Transform. Triumph. Enter a world where justice begins on your wrist. In Justicetrix, you're not just playing a hero — you're training to become one. Master a wrist-worn hero system designed to test your reflexes, challenge your decisions, and immerse you in real-time transformations powered by justice, not aliens. Whether you're completing missions or reacting to city-wide threats, your heroic instincts will be tested with each interaction. App Highlights: Justice-Driven Missions Take on interactive scenarios where you must choose the right form at the right time — each decision impacts your success. Tactical Transformation System No random powers here. Each form is earned, customized, and strategically chosen based on the situation. Advanced Wrist HUD Interface Built from scratch to simulate a next-gen justice device, this is more than a transformation app — it's a tool of heroism. Made for Smartwatches Optimized for compact screens with gesture-based input. Instant activation. Fast decision-making. Offline Play, Zero Distractions No ads. No connection required. Just focus, timing, and your path to justice. Who Is This App For? Aspiring heroes. Strategy lovers. Fans of wearable tech and mission-based gaming. Justicetrix is for those who want more than transformation — they want purpose behind the power. Ready to Take the Oath? Your city needs you. Your mission awaits. And your transformation… starts now. Download Justicetrix. Train hard. Transform with honor. Triumph with justice.

Screenshots

Alien Motion Detector4 screens

Verdict

The call

The clearest difference is rating: Justicetrix at 5.0 against Alien Motion Detector's 3.9. Alien Motion Detector's advantage is in-app purchases (none vs 2) and ratings volume (31 vs 1). On update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Alien Motion Detector costs $1.99 and Justicetrix $2.99 up front. Justicetrix sells 2 one-off in-app purchases. Alien Motion Detector asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Justicetrix holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Alien Motion Detector has 31 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Alien Motion Detector versus Justicetrix: the parameters behind the verdict, then further details
ParameterAlien Motion DetectorJusticetrix
Price$1.99 — better$2.99
Rating3.9 (31 ratings)5.0 (1 ratings) — better
Positive reviews66.2% of reviews—
Number of ratings31 — better1
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS10.0 — better15.0
Further details — not scored
Size30 MB17 MB
Age rating4+4+
DeveloperJoey ToMUHAMMED GUVEN

Customer experience

Alien Motion Detector

All ratings31 ratings
Positive67.7%
Neutral16.1%
Negative16.1%
Written reviews65 reviews
Positive66.2%
Neutral13.8%
Negative20.0%

Justicetrix

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Alien Motion Detector

Reported bugs

10 issues
  • 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
Show 5 more
  • Doesn't work with detecting motion on iPhone X
  • Can't activate monster signals on iPhone XS
  • No sound through speakers
  • Shows where fingers have been
  • New version pulse timing and sounds are off

Requested features

9 requests
  • Auto-generated movement setting
  • Add Bluetooth detection for friends
  • Integrate with location services
  • Record feature
  • Higher pitch sound as aliens get closer
Show 4 more
  • Randomly generate dots
  • Drag dots around
  • Update for latest phones
  • Add M4A1 pulse rifle app

Justicetrix

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Alien Motion Detector

No in-app purchases

2 purchases

Justicetrix

One-time2
  • Real Life Heroes$1.99
  • Real Heroes Pack$1.99

Questions

Is Alien Motion Detector free?
Alien Motion Detector costs $1.99, with no in-app purchases.
Is Justicetrix free?
Justicetrix costs $2.99, and also offers in-app purchases.
Which has better reviews, Alien Motion Detector or Justicetrix?
Justicetrix is rated higher. Alien Motion Detector averages 3.9 out of 5 from 31 ratings, while Justicetrix averages 5.0 from 1 ratings.
Do Alien Motion Detector or Justicetrix have ads?
Neither Alien Motion Detector nor Justicetrix shows ads.
Which is updated more often, Alien Motion Detector or Justicetrix?
Alien Motion Detector ships an update every 6 weeks, and Justicetrix every 6 weeks. Most recently, Alien Motion Detector was updated on November 1, 2026 and Justicetrix on October 30, 2026.

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