Comparison

Lie Detector Test Truth Shock vs Authenticator

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 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?

About

Authenticator

Simulate biometric authentication for creative projects. This app allows you to choose between palm, retina, or fingerprint scans, or passcode entry. Customize the outcome to always fail, always succeed, or use an override for demonstrations.

Highlights
  • Fake palm scanner
  • Fake retina scanner
  • Fake fingerprint scanner
  • Passcode entry simulation
  • Customizable authentication outcomes
  • Override authentication option
Features
Read full description

An app for fake authentication for movie prop, plays, or demonstrations. Choose to scan palm, retina, fingerprint, or enter a passcode. Choose to always fail, always authenticate, or a variety of options, including an override to authenticate.

Screenshots

Lie Detector Test Truth Shock4 screens
Authenticator3 screens

Verdict

The call

The clearest difference is update cadence: Authenticator at every 2 days against Lie Detector Test Truth Shock's every 22 months. Authenticator also leads on rating (5.0 vs 4.6) and monetization model (ad-supported vs free with in-app purchases). Lie Detector Test Truth Shock's advantage is ratings volume (764 vs 3) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Authenticator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Lie Detector Test Truth Shock has 764 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Lie Detector Test Truth Shock ships an update every 22 months, Authenticator every 2 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Lie Detector Test Truth Shock versus Authenticator: the parameters behind the verdict, then further details
ParameterLie Detector Test Truth ShockAuthenticator
PriceFreeFree
Rating4.6 (764 ratings)5.0 (3 ratings) — better
Positive reviews46.8% of reviews—
Number of ratings764 — better3
Update frequencyEvery 22 monthsEvery 2 days — better
AdsYesYes
In-app purchasesNoNo
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size76 MB4 MB
Age rating4+4+
DeveloperAlex QuesadaHarden Consulting LLC

Customer experience

Lie Detector Test Truth Shock

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

Authenticator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and 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

Authenticator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lie Detector Test Truth Shock

No in-app purchases

None

Authenticator

No in-app purchases

Questions

Is Lie Detector Test Truth Shock free?
Lie Detector Test Truth Shock is free to download, with no in-app purchases.
Is Authenticator free?
Authenticator is free to download, with no in-app purchases.
Which has better reviews, Lie Detector Test Truth Shock or Authenticator?
Authenticator is rated higher. Lie Detector Test Truth Shock averages 4.6 out of 5 from 764 ratings, while Authenticator averages 5.0 from 3 ratings.
Do Lie Detector Test Truth Shock or Authenticator have ads?
Both Lie Detector Test Truth Shock and Authenticator show ads.
Which is updated more often, Lie Detector Test Truth Shock or Authenticator?
Lie Detector Test Truth Shock ships an update every 22 months, and Authenticator every 2 days. Most recently, Lie Detector Test Truth Shock was updated on October 27, 2026 and Authenticator on October 24, 2026.

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