Comparison

Lie / Truth Detector vs Liar Catcher 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

Liar Catcher Detector

Features
Read full description

Is your friend telling the truth? Is your partner hiding something? Find out instantly with Veritas AI, the most advanced prank lie detector powered by Artificial Intelligence. Unlike old-school detector apps that just blink random lights, Veritas uses the Groq AI Engine to generate sarcastic, scientific, and hilarious explanations for every result. It's not just a scan; it's a psychological analysis! KEY FEATURES: bionic Fingerprint Scanner Place your finger on the screen and watch the futuristic biometric analysis simulation. Haptic feedback and immersive sounds create high-tension moments. The Interrogator Mode Step into the interrogation room! Chat with our AI Detective who is skeptical, rude, and determined to catch you in a lie. Can you convince him? Why go Pro? • Unlimited AI Analysis. • Full Detective Chat access. • 100% Ad-Free Experience. • Faster scanning speeds. Disclaimer: This app is for entertainment purposes only. It does not provide real biometric analysis or polygraph capabilities. It is a simulation designed for pranks and fun. Términos de uso (CLUF): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Política de privacidad: https://docs.google.com/document/d/1MMLjmbmpyY6-hxu32oVmbgoUo0yeY5WptONIOcsH1Tk/edit?pli=1&tab=t.0

Screenshots

Lie / Truth Detector4 screens
Liar Catcher Detector3 screens

Verdict

The call

The clearest difference is update cadence: Lie / Truth Detector at monthly against Liar Catcher Detector's every 4 months. Lie / Truth Detector also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases 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 Liar Catcher Detector sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lie / Truth Detector ships an update monthly, Liar Catcher Detector every 4 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Lie / Truth Detector versus Liar Catcher Detector: the parameters behind the verdict, then further details
ParameterLie / Truth DetectorLiar Catcher Detector
PriceFreeFree
Rating4.0 (306 ratings) — better—
Positive reviews44.4% of reviews—
Number of ratings306 — better—
Update frequencyMonthly — betterEvery 4 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.6
Further details — not scored
Size120 MB7 MB
Age rating4+9+
DeveloperLuis Hernando PradaMaria Bayas

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

Liar Catcher Detector

Subscriptions2
  • Premium Monthly3 Days trial$1.991 Month
  • Premium Year$14.991 Year

Questions

Is Lie / Truth Detector free?
Lie / Truth Detector is free to download, with in-app purchases available.
Is Liar Catcher Detector free?
Liar Catcher Detector is free to download, with in-app purchases available.
Do Lie / Truth Detector or Liar Catcher Detector have ads?
Both Lie / Truth Detector and Liar Catcher Detector show ads.
Which is updated more often, Lie / Truth Detector or Liar Catcher Detector?
Lie / Truth Detector ships an update monthly, and Liar Catcher Detector every 4 months. Most recently, Lie / Truth Detector was updated on November 7, 2026 and Liar Catcher Detector on October 31, 2026.

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