Best Why Detector Test Apps

250+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated October 2026

If you already know Lie Detector Truth Test, this is the deeper bench. 250+ why detector test apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Why Detector Test Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Lie Detector Truth TestLie Detector Truth TestFree4.6β˜… (49K)YesYesNov 2026
2MagicInsight:Test Lie DetectorMagicInsight:Test Lie DetectorFree4.5β˜… (20K)YesYesNov 2026
3Lie Detector Fingerprint PrankLie Detector Fingerprint PrankFree4.4β˜… (1.3K)YesYesOct 2026
4Lie Detector Fingerprint ScanLie Detector Fingerprint ScanFree3.3β˜… (9.4K)YesNoNov 2026
5Lie Detector: Test Scan PrankLie Detector: Test Scan PrankFree3.9β˜… (1.7K)YesNoOct 2026
6Lie Detector Test Truth ShockLie Detector Test Truth ShockFree4.6β˜… (767)YesNoOct 2026
7Lie Detector – real lying testLie Detector – real lying testFree4.4β˜… (450)NoYesOct 2026
8RF Signal Detector - SweepRF Signal Detector - SweepFreeβ€”NoYesOct 2026

Top Picks for Why Detector Test

Lie Detector Truth Test#1

Lie Detector Truth Test by First Class Media B.V.

fingerprint and voice scan
Editor's Choice
🎬 Entertainment
4.6😐(49K ratings)
FreeAdsIn-App Purchases
Lie Detector Truth Test screenshot 1
Lie Detector Truth Test screenshot 2

Simulate a lie detector test using your device's screen and microphone. Analyze spoken words to determine if they are a truth or a lie, perfect for pranks and entertainment with friends and family.

What We Love

  • πŸ‘ Accurate lie detection
  • 🀩 Fun and engaging
  • πŸ’‘ Useful for pranking friends

Room to Improve

  • πŸ› Inconsistent results
  • 🀬 Too many ads
  • πŸ€” Questionable privacy concerns
MagicInsight:Test Lie Detector#2

MagicInsight:Test Lie Detector by Logic Wave LLC

Age Change, Art&Baby Generator
Strong Contender
🎬 Entertainment
4.5😞(20K ratings)
FreeAdsIn-App Purchases
MagicInsight:Test Lie Detector screenshot 1
MagicInsight:Test Lie Detector screenshot 2
MagicInsight:Test Lie Detector screenshot 3
MagicInsight:Test Lie Detector screenshot 4
MagicInsight:Test Lie Detector screenshot 5
MagicInsight:Test Lie Detector screenshot 6

Explore your personality, discover your spirit animal, and predict your future with fun quizzes and AI-powered face effects. Enjoy a variety of trivia challenges, from love fortunes to celebrity look-alikes, all in one entertaining app.

What We Love

  • 🀩 Fun and entertaining
  • πŸ’‘ Interesting concept

Room to Improve

  • πŸ’° Requires payment for core features
  • 🀬 Aggressive monetization tactics
  • πŸ™…β€β™€οΈ Limited free functionality
  • πŸ› Buggy and unreliable
Lie Detector Fingerprint Prank#3

Lie Detector Fingerprint Prank by Daniel Chernyshev

Polygraph Truth Test & Game
Worth Considering
🎬 Entertainment
4.4😐(1.3K ratings)
FreeAdsIn-App Purchases
Lie Detector Fingerprint Prank screenshot 1
Lie Detector Fingerprint Prank screenshot 2
Lie Detector Fingerprint Prank screenshot 3
Lie Detector Fingerprint Prank screenshot 4
Lie Detector Fingerprint Prank screenshot 5
Lie Detector Fingerprint Prank screenshot 6

This app simulates a lie detector test for entertainment purposes. Place your finger on the screen to scan, and it will reveal if someone is telling the truth or lying. Customize results or let it be random for a fun prank.

What We Love

  • πŸ‘ Real lie detector
  • 😊 Fun and entertaining
  • βœ… Mostly accurate
  • πŸ” Reveals secrets

Room to Improve

  • πŸ› Inconsistent/inaccurate results
  • πŸ’° Premium features behind paywall
  • πŸ“Ί Too many ads
  • πŸ€” Questionable functionality

More Why Detector Test apps to explore

FAQ about Why Detector Test

What are the best why detector test apps for iPhone?
Lie Detector Truth Test tops our why detector test apps ranking as of October 2026, with a 4.6-star average from 49K App Store ratings, and it's free to download.
Yes β€” 19 of the top why detector test apps we rank are free to download, including Lie Detector Truth Test and MagicInsight:Test Lie Detector.
Lie Detector Truth Test shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ why detector test apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.