Comparison

Lie / Truth Detector vs Lie Detector

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

Head to head
About

Lie / Truth Detector

Simulate a lie or truth detector with this fun app. Analyze what your friends and family say and see if the simulated polygraph detects truth or lies. Features fantastic graphics and effects for hours of entertainment.

Highlights
  • Simulates lie/truth detection
  • Polygraph simulation
  • Fantastic graphics
  • Engaging effects
  • Hours of fun
Features
Read full description

Do you want to have fun with your friends and family by simulating with this truth and lie detector or polygraph simulator? Simulate if what they are saying would be true or false Characteristics: - "Lie or truth detector / polygraph" simulates that you analyze what you are saying - Fantastic graphics and effects - Have fun for hours with this truth and lie detector simulator. - Simulate using a polygraph Disclaimer: This polygraph / lie detector app is designed for entertainment purposes only and does not provide real truth detector functionality.

About

Lie Detector

This app simulates a lie detector using fingerprint or eye scanning to prank friends and family. It provides entertainment by revealing whether someone is telling the truth or lying, with additional fun features like a beauty and love score.

Highlights
  • Fingerprint lie detector simulation
  • Eye scanner for truth test
  • Dual player check
  • Fake lie detection results
  • Beauty Score feature
  • Love Detector feature
Read full description

Lie Detector Test Prank App - very interesting whenever you get bored. Lie Detector Test is a fun simulation game to see if you are telling the truth or lying. You can use it to prank your friends and family. The application simulates a fingerprint lie detector. Have fun with your friends in this lie detector prank. Ask them a random question, then place their finger on the screen to scan the fingerprint and answer. Our application will have a timeout that simulates the analysis. Then, the screen will display a message about whether you are telling the truth or lying. Imagine the look on people's faces when they believe you can tell if they're being honest or trying to cover up a lie. Test Dual Refresh the way to play lie detector with 2 player simultaneous check feature. Ask a question, let them both answer and place their hands on the screen. Find out who is lying fast. Lie Detector Test Prank can also fake an eye scanner. Put your eyes on the camera, then the screen gives a notification about lying or telling the truth. Fool your friends and have fun with this amazing lie detector test simulator. Tips for you Do you want to be the one in control of the game? Give you a little tip. Press + if you want the result to tell the truth, - for lie. Beauty Score Score your face with the fun Beauty Score feature. Scores are for entertainment purposes only, without any evaluation standards. See how many points you get and spend hours with your friends now Love Detector Predict your love score today. Let's check how your love life This truth test will keep you entertained for hours. How Lie Detector Test Prank App works: - Place your finger on the lie detector fingerprint scanner - Or you can choose the eyes scanner for truth test - Ask a question or hold your finger on the fingerprint scanner until the lie detector app scans and gives a notification. - Are you lying or telling the truth? Suggest some funny questions for you to check if your friend is telling the truth or lying: - Did you brush your teeth today? - Have you done your homework? - Are you lying? Disclaimer: This Lie Detector Test app is a fun app with friends. This result is for entertainment purposes only and does not provide real truth detection functionality. We always welcome all your feedback to enhance the app and satisfy all users. If you have any problem related to the Lie Detector Prank app please contact us. We will try to respond as soon as possible. Thank you!

Screenshots

Lie / Truth Detector4 screens
Lie Detector4 screens

Verdict

The call

The clearest difference is ratings volume: Lie Detector at 1.7K against Lie / Truth Detector's 306. On price, rating, review sentiment and update cadence 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. Lie / Truth Detector sells 3 one-off in-app purchases and Lie Detector sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for Lie / Truth Detector against 3.9 for Lie Detector. That said, the two scores are not equally well evidenced: Lie Detector has 1.7K ratings behind it against 306, so its average is the more settled of the two. Written reviews are what separate them: 44% of Lie / Truth Detector's written reviews are positive against 42% of Lie Detector's.

UpkeepUpdate frequency

Lie / Truth Detector ships an update monthly, Lie Detector fortnightly. Both last shipped on November 7, 2026.

Scorecard1 real difference · 9 level
Lie / Truth Detector versus Lie Detector: the parameters behind the verdict, then further details
ParameterLie / Truth DetectorLie Detector
PriceFreeFree
Rating4.0 (306 ratings) — better3.9 (1.7K ratings)
Positive reviews44.4% of reviews — better42.0% of reviews
Number of ratings3061.7K — better
Update frequencyMonthlyFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size120 MB231 MB
Age rating4+4+
DeveloperLuis Hernando PradaNguyen Quy Son

Customer experience

Lie / Truth Detector

All ratings291 ratings
Positive72.2%
Neutral5.8%
Negative22.0%
Written reviews9 reviews
Positive44.4%
Neutral22.2%
Negative33.3%

Lie Detector

All ratings1,615 ratings
Positive70.7%
Neutral4.3%
Negative25.0%
Written reviews319 reviews
Positive42.0%
Neutral6.9%
Negative51.1%

Bugs and requests

Lie / Truth Detector

Not enough reviews yet to summarise bugs or requests.

Lie Detector

Reported bugs

3 issues
  • Ads blocking the lie detector interface
  • Incorrect results for true statements
  • Glitchy and unstable performance

Requested features

3 requests
  • Reduce ads
  • Improve accuracy and consistency
  • Add eye scanning feature

In-app purchases

3 purchases

Lie / Truth Detector

One-time3
  • Remove the ads$2.99
  • AI Detector$3.99
  • All features + no ads$5.99
2 purchases

Lie Detector

Subscriptions2
  • Premium weekly$0.997 Days
  • Premium monthly$1.991 Month

Questions

Is Lie / Truth Detector free?
Lie / Truth Detector is free to download, with in-app purchases available.
Is Lie Detector free?
Lie Detector is free to download, with in-app purchases available.
Which has better reviews, Lie / Truth Detector or Lie Detector?
Lie / Truth Detector is rated higher. Lie / Truth Detector averages 4.0 out of 5 from 306 ratings, while Lie Detector averages 3.9 from 1.7K ratings.
Do Lie / Truth Detector or Lie Detector have ads?
Both Lie / Truth Detector and Lie Detector show ads.
Which is updated more often, Lie / Truth Detector or Lie Detector?
Lie / Truth Detector ships an update monthly, and Lie Detector fortnightly. Most recently, Lie / Truth Detector was updated on November 7, 2026 and Lie Detector on November 7, 2026.

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