Comparison

Simulator X vs Lie Detector Test

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

Head to head
About

Simulator X

This entertainment app simulates an X-ray of the chest for humorous purposes. It's a joke application designed to prank friends and family, providing random results safely. It is not a real scanner and does not emit radiation.

Highlights
  • Chest X-ray simulation
  • Joke and prank functionality
  • Safe and harmless
  • Random result generation
  • Entertainment purposes only
Features
Read full description

This app is intended for entertainment purposes only and does not provide true X-rays of Chest. Simulator X-Ray Scanner Chest X-ray simulator Chest - a game application joke, where you can make an X-ray Chest without causing harm to themselves or to anyone! CAUTION This is not a real scanner, but only the emulator, the game is intended for entertainment and prank your friends and family! To use it, point to your Chest or a friend or loved ones, and then scan the result of surprise! The app does not any radiation and is completely safe for your health! The result is given random! Attention! This is not a real X-ray, it is designed to joke and play! Thanks for playing with us, leave us your comments and suggestions, we will try to make the game even more interesting for you!

About

Lie Detector Test

Simulate a lie detector test using your fingerprint. Fool your friends with this fun prank app that analyzes a "scan" of their finger to determine if they are telling the truth or lying. Perfect for lighthearted entertainment.

Highlights
  • Fingerprint scanner simulation
  • Prank mode to fool friends
  • Fake lie/truth results
  • Laser Xray effect
  • Random result generation
Features
Read full description

Start the scan your fingerprint and say something to see if it is true or a lie. Place your finger on the scanner area and allow scanner begin. Laser Xray will go throught your finger. Use the prank features to fool everyone with this fake lie detector test. Instruction for prank mode: Start by touching and holding friend's finger down on the scan area. First time you see a random result. On result screen tap on the left side of button for “False", and on the right for "True". Pressing the restart button will give a random result. Disclaimer: This application is only a prank trick for fun. it's not a real polygraph lie detector.

Screenshots

Simulator X2 screens
Lie Detector Test3 screens

Verdict

The call

The clearest difference is rating: Lie Detector Test at 3.4 against Simulator X's 2.5. Lie Detector Test also leads on ratings volume (1.6K vs 18) and review sentiment (36% vs 25%). Simulator X's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Lie Detector Test holds the better App Store score, 3.4 against 2.5. That said, the two scores are not equally well evidenced: Lie Detector Test has 1.6K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 25% of Simulator X's written reviews are positive against 36% of Lie Detector Test's.

UpkeepUpdate frequency

Simulator X ships an update every 20 months, Lie Detector Test every 42 months. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

Scorecard7 real differences · 3 level
Simulator X versus Lie Detector Test: the parameters behind the verdict, then further details
ParameterSimulator XLie Detector Test
PriceFreeFree
Rating2.5 (18 ratings)3.4 (1.6K ratings) — better
Positive reviews25.0% of reviews36.5% of reviews — better
Number of ratings181.6K — better
Update frequencyEvery 20 months — betterEvery 42 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better12.0
Further details — not scored
Size52 MB22 MB
Age rating12+4+
DeveloperDenis IvanovDenis Batishchev

Customer experience

Simulator X

All ratings18 ratings
Positive27.8%
Neutral16.7%
Negative55.6%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Lie Detector Test

All ratings1,637 ratings
Positive56.3%
Neutral6.6%
Negative37.1%
Written reviews584 reviews
Positive36.5%
Neutral9.6%
Negative53.9%

Bugs and requests

Simulator X

Not enough reviews yet to summarise bugs or requests.

Lie Detector Test

Reported bugs

2 issues
  • Incorrectly identifies true statements as lies
  • Freezes after each use

Requested features

2 requests
  • More realistic lie detection
  • Option to change language

In-app purchases

None

Simulator X

No in-app purchases

None

Lie Detector Test

No in-app purchases

Questions

Is Simulator X free?
Simulator X is free to download, with no in-app purchases.
Is Lie Detector Test free?
Lie Detector Test is free to download, with no in-app purchases.
Which has better reviews, Simulator X or Lie Detector Test?
Lie Detector Test is rated higher. Simulator X averages 2.5 out of 5 from 18 ratings, while Lie Detector Test averages 3.4 from 1.6K ratings.
Do Simulator X or Lie Detector Test have ads?
Lie Detector Test shows ads; Simulator X does not.
Which is updated more often, Simulator X or Lie Detector Test?
Simulator X ships an update every 20 months, and Lie Detector Test every 42 months. Most recently, Simulator X was updated on October 15, 2026 and Lie Detector Test on October 21, 2026.

Other comparisons