Comparison

TruthScan AI vs Polygraph AI

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
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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

Polygraph AI

Features
Read full description

Polygraph AI: Lie Analysis is your personal stress and truth detector. Ever wondered if someone is feeling tense during a conversation? Our advanced AI analyzes voice frequencies to detect micro-tremors and stress levels, providing you with a fun and engaging "truth verdict."

Screenshots

TruthScan AI4 screens
Polygraph AI4 screens

Verdict

The call

The clearest difference is in-app purchases: Polygraph AI at none against TruthScan AI's 7. Polygraph AI also leads on update cadence (every 2 days vs every 3 months) and device support (3 vs 1). TruthScan AI's advantage is ads (none vs shown). On price 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

Both are free to download. TruthScan AI sells 7 in-app purchases, starting at $4.99 per 7 days. Polygraph AI asks for nothing beyond the download.

UpkeepUpdate frequency

TruthScan AI ships an update every 3 months, Polygraph AI every 2 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

Scorecard5 real differences ยท 1 level
TruthScan AI versus Polygraph AI: the parameters behind the verdict, then further details
ParameterTruthScan AIPolygraph AI
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 days โ€” better
AdsNo โ€” betterYes
In-app purchasesYesNo โ€” better
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.615.0 โ€” better
Further details โ€” not scored
Size59 MB31 MB
Age rating4+4+
DeveloperONDER ERDINCAndres Saiz Ruiperez

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
None

Polygraph AI

No in-app purchases

Questions

Is TruthScan AI free?
TruthScan AI is free to download, with in-app purchases available.
Is Polygraph AI free?
Polygraph AI is free to download, with no in-app purchases.
Do TruthScan AI or Polygraph AI have ads?
Polygraph AI shows ads; TruthScan AI does not.
Which is updated more often, TruthScan AI or Polygraph AI?
TruthScan AI ships an update every 3 months, and Polygraph AI every 2 days. Most recently, TruthScan AI was updated on November 9, 2026 and Polygraph AI on November 6, 2026.

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