Comparison

Lie Detector Test 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 Detector Test

This app simulates a fake fingerprint scanner to humorously "detect" if your friends are lying. It's a fun prank tool that provides "Truth," "Maybe," or "Lie" results, but it does not actually determine truthfulness.

Highlights
  • Fake fingerprint scanner simulation
  • Prank friends with lie detection
  • Simulated "Truth," "Maybe," or "Lie" results
  • Free prank application
  • Designed for entertainment
Read full description

Want to find out if your friends are lying? Prank with Lie Detector using the fake fingerprint detection. Use Lie Detector to prank your friends when you think they are lying. Lie Detector Simulator simulates a fake finger print scanner to give a fake result. The fake lie detector result will be Truth, Maybe or Lie. Ask your friend to tap and hold their finger on the lie detector scanner and think of something. The lie detector app will simulate and make your friends believe that it gives result based on the fingerprint. Lie detector is a free prank app, it will not actually detect if a person is lying. DISCLAMIER: Truth or false is not determined by your finger print. This app is a prank app - does not really detect if a person is lying or not.

About

Lie detector

This app simulates a lie detector by scanning a fingerprint to determine if someone is telling the truth or lying. It measures pulse variations to provide a "mind reading" result, intended for entertainment and pranks.

Highlights
  • Fingerprint scanning lie detection simulation
  • Pulse variation analysis
  • Simulates a polygraph test
  • Prank friends and family
  • Entertainment purposes only
Features
Read full description

Lie detector: test is a real truth detector app, also known as a polygraph test. Indeed, it allows you to tell if someone is lying or telling the truth. To use the lie scanner: Cover the back camera with your finger and say something. The app will scan your fingerprint and understand if what you say is a lie or a truth. The lie detector will measure your pulse and give you a result based on the variation of your pulse. It is a true mind reader. This lie detector works like a true polygraph test, indeed like a real test it can detect your heartbeat in your finger. It measures and records your pulse while a person is asked and answers a series of questions. For a good laugh, prank your friends, use the truth detector on your family members or friends. Disclaimer: Use for entertainment purposes only, the app does not provide real truth detection functionality.

Screenshots

Lie Detector Test4 screens
Lie detector3 screens

Verdict

The call

The clearest difference is in-app purchases: Lie detector at none against Lie Detector Test's 2. Lie detector also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Lie Detector Test's advantage is iOS requirement (9.0 vs 13.0). On price, review sentiment, ratings volume 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 Test sells 2 one-off in-app purchases. Lie detector asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lie detector holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 14 and 5 respectively. Written reviews complicate that: 57% of Lie Detector Test's written reviews are positive against 50% of Lie detector's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Lie Detector Test ships an update every 3 months, Lie detector weekly. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

Scorecard6 real differences · 4 level
Lie Detector Test versus Lie detector: the parameters behind the verdict, then further details
ParameterLie Detector TestLie detector
PriceFreeFree
Rating3.8 (14 ratings)4.0 (5 ratings) — better
Positive reviews57.1% of reviews — better50.0% of reviews
Number of ratings14 — better5
Update frequencyEvery 3 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better13.0
Further details — not scored
Size66 MB3 MB
Age rating4+4+
DeveloperAkash RamWarlock Arts

Customer experience

Lie Detector Test

All ratings13 ratings
Positive76.9%
Neutral0.0%
Negative23.1%
Written reviews14 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

Lie detector

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

Lie Detector Test

One-time2
  • Remove Ads$0.99
  • Mood Scanner$0.99
None

Lie detector

No in-app purchases

Questions

Is Lie Detector Test free?
Lie Detector Test is free to download, with in-app purchases available.
Is Lie detector free?
Lie detector is free to download, with no in-app purchases.
Which has better reviews, Lie Detector Test or Lie detector?
Lie detector is rated higher. Lie Detector Test averages 3.8 out of 5 from 14 ratings, while Lie detector averages 4.0 from 5 ratings.
Do Lie Detector Test or Lie detector have ads?
Lie Detector Test shows ads; Lie detector does not.
Which is updated more often, Lie Detector Test or Lie detector?
Lie Detector Test ships an update every 3 months, and Lie detector weekly. Most recently, Lie Detector Test was updated on October 22, 2026 and Lie detector on October 27, 2026.

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