Comparison

Lie Detector vs Lie Detector Fingerprint Prank

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

Head to head
About

Lie Detector

This app simulates a lie detector using a fingerprint scanner and voice analysis to prank friends. Ask yes/no questions, scan a finger, and receive a random 'truth' or 'lie' result for entertainment purposes. It features a realistic interface, cool graphics, and sound effects.

Highlights
  • Fingerprint scanner simulation
  • Voice analysis simulation
  • Realistic interface
  • Cool graphics and animation
  • Vibration and sound signals
  • Random truth/lie results
Features
Read full description

lie detector Now you can check whether your friend is telling you the truth or not on a lie detector. Modern application lie detector, which will allow you to have fun and play pranks on your friends. The lie detector is a fascinating simulator. It simulates a lie detector with a fingerprint scanner and voice. How to use? 1. Ask a question with short yes/no answers; 2. Put your finger on the touchpad; 3. Wait a few seconds; 4. Get a finished result. Ready to do your first test? Download the lie detector app on your smartphone or tablet. Come up with interesting tricky questions for a house party, invite your friends and test them on the lie detector.Your guests will be surprised. Fun and good mood guaranteed! Game Features: - Realistic interface, similar to a real lie detector; - Cool graphics and vivid animation; - Vibration and sound signal during the scanning process; - Volume buttons ("+" - truth, "-" - lie); The simulator is absolutely free, and you don't need to register and start a personal account to start using it. You can start using the lie detector right now and test your friends and family members for honesty. Attention! The application is released for entertainment purposes. This is a lie detector simulator, so all the answers you get are random and do not correspond to reality. Terms of use https://adperfo.com/termsofservice/

About

Lie Detector Fingerprint Prank

This app simulates a lie detector test for entertainment purposes. Place your finger on the screen to scan, and it will reveal if someone is telling the truth or lying. Customize results or let it be random for a fun prank.

Highlights
  • Simulated lie detection
  • Fingerprint scanning animation
  • Customizable results
  • Random result option
  • Prank your friends
Features
Read full description

Turn any question into a funny prank with Lie Detector Fingerprint Prank. Ask your friend a question, place a finger on the screen, and let the finger scan simulation reveal a playful Truth or Lie result. It is simple, fast, and made for harmless laughs with friends and family. Use it at parties, game nights, sleepovers, or whenever you want to create a funny moment. Ask questions like “Did you eat the last slice of pizza?”, “Are you hiding a secret?”, or “Did you cheat in the game?” and watch everyone react to the result. Features: • Finger scan prank simulator • Truth or Lie results • Random result mode • Manual result control from settings • Fun scan animations and effects • Easy to use with friends and family • Great for parties, jokes, and casual games Want to control the prank? Choose the result in settings and decide whether the next scan shows Truth or Lie. Or keep it random and let the app surprise you. Lie Detector Test - Polygraph is designed for entertainment only. It is a prank simulator and does not detect real lies, emotions, biometric data, or truthfulness. Use it only for fun. Privacy Policy: https://dilongdann.com/liedetector/policy Terms of Service: https://dilongdann.com/liedetector/terms

Screenshots

Lie Detector4 screens
Lie Detector Fingerprint Prank4 screens

Verdict

The call

The clearest difference is rating: Lie Detector at 5.0 against Lie Detector Fingerprint Prank's 4.4. Lie Detector also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). Lie Detector Fingerprint Prank's advantage is ratings volume (1.3K vs 1) and update cadence (monthly vs every 2 months). On price, in-app purchases, monetization model 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. Lie Detector sells 1 in-app purchase, starting at $2.99 per 7 days and Lie Detector Fingerprint Prank sells 3 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

Lie Detector holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Lie Detector Fingerprint Prank has 1.3K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Lie Detector ships an update every 2 months, Lie Detector Fingerprint Prank monthly. Both last shipped on November 12, 2026.

Scorecard5 real differences · 5 level
Lie Detector versus Lie Detector Fingerprint Prank: the parameters behind the verdict, then further details
ParameterLie DetectorLie Detector Fingerprint Prank
PriceFreeFree
Rating5.0 (1 ratings) — better4.4 (1.3K ratings)
Positive reviews—68.0% of reviews
Number of ratings11.3K — better
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size14 MB96 MB
Age rating4+4+
DeveloperMark HughesDaniel Chernyshev

Bugs and requests

Lie Detector

Not enough reviews yet to summarise bugs or requests.

Lie Detector Fingerprint Prank

Reported bugs

3 issues
  • Incorrect responses
  • Freezing/crashing issues
  • Compatibility problems

Requested features

4 requests
  • Less ads
  • More customization options
  • Improved accuracy
  • Ability to select truth/lie mode

In-app purchases

1 purchases

Lie Detector

Subscriptions1
  • Lie detector3 Days trial$2.997 Days
3 purchases

Lie Detector Fingerprint Prank

Subscriptions2
  • Weekly Subscription3 Days trial$0.997 Days
  • Monthly Subscription3 Days trial$2.991 Month
One-time1
  • Lie Detector Premium Forever$4.99

Questions

Is Lie Detector free?
Lie Detector is free to download, with in-app purchases available.
Is Lie Detector Fingerprint Prank free?
Lie Detector Fingerprint Prank is free to download, with in-app purchases available.
Which has better reviews, Lie Detector or Lie Detector Fingerprint Prank?
Lie Detector is rated higher. Lie Detector averages 5.0 out of 5 from 1 ratings, while Lie Detector Fingerprint Prank averages 4.4 from 1.3K ratings.
Do Lie Detector or Lie Detector Fingerprint Prank have ads?
Lie Detector Fingerprint Prank shows ads; Lie Detector does not.
Which is updated more often, Lie Detector or Lie Detector Fingerprint Prank?
Lie Detector ships an update every 2 months, and Lie Detector Fingerprint Prank monthly. Most recently, Lie Detector was updated on November 12, 2026 and Lie Detector Fingerprint Prank on November 12, 2026.

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