Comparison

TruthScan AI vs Truth Scan Biometric Polygraph

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

Head to head
About

TruthScan AI

Features
Read full description

TruthScan AI is the ultimate lie detector app combining advanced voice stress analysis and facial micro-expression detection. Unlike simple fingerprint pranks, TruthScan uses real AI to analyze voice patterns and facial movements for the most realistic truth detection experience. KEY FEATURES - AI Voice Stress Analysis - Detects vocal stress patterns and pitch variations - Facial Micro-Expression Detection - Analyzes 43 facial reference points using your camera - Real-Time Truth Meter - Live visualization of analysis results - Question Templates - Pre-loaded truth or dare questions, relationship tests, friendship quizzes - Video Playback - Review recordings with analysis overlay - Shareable Results - Export videos to social media - Multi-Language Support - Works in 12+ languages - Party Mode - Test multiple friends in sequence HOW IT WORKS 1. Frame the subject's face in camera view 2. Ask a question (use built-in templates or create your own) 3. Record their answer (voice + video) 4. AI analyzes voice stress + facial micro-expressions 5. Get instant truth/lie verdict with confidence score PERFECT FOR - Party entertainment and icebreaker games - Truth or dare sessions with friends - Relationship compatibility tests - Office team building activities - Social media content creation - Testing your poker face skills ENTERTAINMENT DISCLAIMER TruthScan AI is designed for entertainment purposes only. It is not a real polygraph and should not be used to make serious decisions. Results are based on AI analysis patterns and are meant for fun, pranks, and social entertainment. PRIVACY & SECURITY - Recordings stored locally on your device - No data sold to third parties - Delete recordings anytime Download TruthScan AI now and become the ultimate human lie detector at your next party! Privacy Policy: https://sites.google.com/view/lie-dedector-privacy/ Terms of Use: https://sites.google.com/view/terms-use-lie/ Disclaimer: https://sites.google.com/view/disclamer-lie/

About

Truth Scan Biometric Polygraph

Features
Read full description

Truth Scan is the most advanced biometric polygraph test available on iPhone. Using your camera, microphone, and Apple Watch, Truth Scan measures real physiological signals โ€” heart rate, voice stress, and behavioral patterns โ€” to detect deception with cutting-edge AI analysis. FEATURES: โ€ข Camera-based heart rate monitoring via fingertip PPG โ€ข Real-time voice stress and behavioral analysis โ€ข Remote sessions โ€” test anyone, anywhere in the world โ€ข Live Apple Watch heart rate streaming โ€ข AI-powered session analysis with deep behavioral insights โ€ข Full session report with AI summary HOW IT WORKS: Start a test, answer the baseline questions, then let Truth Scan analyze the biometric data in real time. Share a 6-digit code for remote sessions and monitor someone else's responses live. For entertainment purposes only. Privacy Policy: https://glowinmedia.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

TruthScan AI4 screens
Truth Scan Biometric Polygraph4 screens

Verdict

The call

The clearest difference is price: TruthScan AI at Free against Truth Scan Biometric Polygraph's $0.99. Truth Scan Biometric Polygraph's advantage is iOS requirement (15.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

TruthScan AI is free to download; Truth Scan Biometric Polygraph costs $0.99 up front. TruthScan AI sells 7 in-app purchases, starting at $4.99 per 7 days and Truth Scan Biometric Polygraph sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TruthScan AI ships an update every 3 months, Truth Scan Biometric Polygraph every 6 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard2 real differences ยท 4 level
TruthScan AI versus Truth Scan Biometric Polygraph: the parameters behind the verdict, then further details
ParameterTruthScan AITruth Scan Biometric Polygraph
PriceFree โ€” better$0.99
Update frequencyEvery 3 monthsEvery 6 weeks โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPod โ€” better
Requires iOS17.615.0 โ€” better
Further details โ€” not scored
Size59 MB8 MB
Age rating4+17+
DeveloperONDER ERDINCThomas Adler

In-app purchases

7 purchases

TruthScan AI

Subscriptions4
  • Weekly Trial3 Days trial$4.997 Days
  • Weekly$7.997 Days
  • Monthly$19.991 Month
Show 1 more
  • Yearly$99.991 Year
One-time3
  • 20 Coins$8.99
  • 50 Coins$19.99
  • 100 Coins$34.99
2 purchases

Truth Scan Biometric Polygraph

Subscriptions2
  • Truth Scan Pro$3.991 Month
  • yearly$39.991 Year

Questions

Is TruthScan AI free?
TruthScan AI is free to download, with in-app purchases available.
Is Truth Scan Biometric Polygraph free?
Truth Scan Biometric Polygraph costs $0.99, and also offers in-app purchases.
Do TruthScan AI or Truth Scan Biometric Polygraph have ads?
Neither TruthScan AI nor Truth Scan Biometric Polygraph shows ads.
Which is updated more often, TruthScan AI or Truth Scan Biometric Polygraph?
TruthScan AI ships an update every 3 months, and Truth Scan Biometric Polygraph every 6 weeks. Most recently, TruthScan AI was updated on October 25, 2026 and Truth Scan Biometric Polygraph on October 28, 2026.

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