Comparison

Lie / Truth Detector vs Lie Detector Test Truth Shock

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 Test Truth Shock

This app simulates a lie detector test using your device's fingerprint scanner. It's designed for entertainment, allowing you to prank friends and family by revealing random or controlled 'truth' or 'lie' results.

Highlights
  • Fingerprint scanner simulation
  • Random lie/truth results
  • Controlled result option
  • Prank friends and family
  • Realistic polygraph simulation
Features
Read full description

Want to know if someone is telling the truth or lying? Try the funniest lie detector simulator! Put your finger on the fingerprint scanner and let the fake polygraph machine "analyze" your answer. This lie detector prank app simulates a real polygraph test. It shows random or controlled results of truth or lie, making it the perfect tool to prank friends and family. The fingerprint scanner adds a realistic touch to the experience! How it works: Ask your friend a question. Tell them to place their finger on the scanner. The app will "scan" and reveal a result: Truth or Lie! Want to control the result? Tap the “truth” or “lie” buttons secretly before the scan starts. Or let the app show random results for an even more fun surprise. Disclaimer: This is not a real lie detector or polygraph machine. It’s a prank app for entertainment only. Great for: Playing with friends Breaking the ice at parties Testing who’s a "real liar" (just for laughs!) Download Lie Detector Test Real Shock now and prank your friends like a pro! Will they tell the truth... or get caught lying?

Screenshots

Lie / Truth Detector4 screens
Lie Detector Test Truth Shock4 screens

Verdict

The call

The clearest difference is rating: Lie Detector Test Truth Shock at 4.6 against Lie / Truth Detector's 4.0. Lie Detector Test Truth Shock also leads on in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). Lie / Truth Detector's advantage is update cadence (monthly vs every 22 months). On price, review sentiment, ratings volume and ads 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. Lie Detector Test Truth Shock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lie Detector Test Truth Shock holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 306 and 779 respectively. Written reviews point the same way: 44% of Lie / Truth Detector's written reviews are positive against 47% of Lie Detector Test Truth Shock's.

UpkeepUpdate frequency

Lie / Truth Detector ships an update monthly, Lie Detector Test Truth Shock every 22 months. Both last shipped on November 7, 2026.

Scorecard4 real differences · 6 level
Lie / Truth Detector versus Lie Detector Test Truth Shock: the parameters behind the verdict, then further details
ParameterLie / Truth DetectorLie Detector Test Truth Shock
PriceFreeFree
Rating4.0 (306 ratings)4.6 (779 ratings) — better
Positive reviews44.4% of reviews46.8% of reviews — better
Number of ratings306779 — better
Update frequencyMonthly — betterEvery 22 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size120 MB76 MB
Age rating4+4+
DeveloperLuis Hernando PradaAlex Quesada

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 Test Truth Shock

All ratings711 ratings
Positive88.9%
Neutral5.8%
Negative5.3%
Written reviews94 reviews
Positive46.8%
Neutral8.5%
Negative44.7%

Bugs and requests

Lie / Truth Detector

Not enough reviews yet to summarise bugs or requests.

Lie Detector Test Truth Shock

Reported bugs

13 issues
  • Keeps saying lie
  • Changes original answer
  • Says lie when truth
  • Says truth when lie
  • Inconsistent results
Show 8 more
  • Random answers
  • Doesn't shock
  • Doesn't give current
  • Says lie when nothing said
  • Changes answers
  • Rigged
  • Tracks user
  • Alternating true/false

Requested features

2 requests
  • No ads
  • Mini games

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
None

Lie Detector Test Truth Shock

No in-app purchases

Questions

Is Lie / Truth Detector free?
Lie / Truth Detector is free to download, with in-app purchases available.
Is Lie Detector Test Truth Shock free?
Lie Detector Test Truth Shock is free to download, with no in-app purchases.
Which has better reviews, Lie / Truth Detector or Lie Detector Test Truth Shock?
Lie Detector Test Truth Shock is rated higher. Lie / Truth Detector averages 4.0 out of 5 from 306 ratings, while Lie Detector Test Truth Shock averages 4.6 from 779 ratings.
Do Lie / Truth Detector or Lie Detector Test Truth Shock have ads?
Both Lie / Truth Detector and Lie Detector Test Truth Shock show ads.
Which is updated more often, Lie / Truth Detector or Lie Detector Test Truth Shock?
Lie / Truth Detector ships an update monthly, and Lie Detector Test Truth Shock every 22 months. Most recently, Lie / Truth Detector was updated on November 7, 2026 and Lie Detector Test Truth Shock on November 7, 2026.

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