Best Why Detector Apps

248+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated October 2026

The best why detector apps on iPhone average 4.2โ˜… across 248+ titles โ€” we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Why Detector Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Lie Detector Fingerprint ScanLie Detector Fingerprint ScanFree3.3โ˜… (9.4K)YesNoNov 2026
2Lie Detector: Test Scan PrankLie Detector: Test Scan PrankFree3.9โ˜… (1.7K)YesNoNov 2026
3MagicInsight:Test Lie DetectorMagicInsight:Test Lie DetectorFree4.5โ˜… (20K)YesYesNov 2026
4Ghost Camera Detector RadarGhost Camera Detector RadarFree4.3โ˜… (55K)YesYesNov 2026
5Lie Detector Truth TestLie Detector Truth TestFree4.6โ˜… (49K)YesYesNov 2026
6Truth and Lie DetectorTruth and Lie DetectorFree4.4โ˜… (26K)NoYesNov 2026
7RF Signal Detector - SweepRF Signal Detector - SweepFreeโ€”NoYesOct 2026
8Argus โ€“ Hidden Camera DetectorArgus โ€“ Hidden Camera DetectorFree5.0โ˜… (2)NoYesOct 2026

Top Picks for Why Detector

3.3๐Ÿ˜ž(9.4K ratings)
FreeAds
Lie Detector Fingerprint Scan screenshot 1
Lie Detector Fingerprint Scan screenshot 2
Lie Detector Fingerprint Scan screenshot 3

This entertainment app simulates a lie detector using a fingerprint scan. It randomly determines if the user is telling the truth or lying, providing humorous results for amusement.

What We Love

  • ๐Ÿคฉ Fun to play with friends
  • ๐Ÿ‘ Entertaining prank app

Room to Improve

  • ๐Ÿคฌ Inaccurate results
  • ๐Ÿ’ธ Too many ads
  • ๐Ÿคฅ Misleading as a lie detector
Lie Detector: Test Scan Prank#2

Lie Detector: Test Scan Prank by Nguyen Quy Son

Truth and Lie Detector Scanner
Strong Contender
๐ŸŽฌ Entertainment
3.9๐Ÿ˜ž(1.7K ratings)
FreeAdsIn-App Purchases
Lie Detector: Test Scan Prank screenshot 1
Lie Detector: Test Scan Prank screenshot 2
Lie Detector: Test Scan Prank screenshot 3
Lie Detector: Test Scan Prank screenshot 4
Lie Detector: Test Scan Prank screenshot 5
Lie Detector: Test Scan Prank screenshot 6

This app simulates a lie detector using fingerprint or eye scanning to prank friends and family. It provides entertainment by revealing whether someone is telling the truth or lying, with additional fun features like a beauty and love score.

What We Love

  • ๐Ÿ‘ Fun and entertaining
  • ๐Ÿคฉ Accurate lie detection
  • ๐Ÿ’ก Interesting game concept

Room to Improve

  • ๐Ÿ™„ Inconsistent results
  • ๐Ÿ˜ก Excessive ads
  • ๐Ÿค” Questionable accuracy
MagicInsight:Test Lie Detector#3

MagicInsight:Test Lie Detector by Logic Wave LLC

Age Change, Art&Baby Generator
Worth Considering
๐ŸŽฌ Entertainment
4.5๐Ÿ˜ž(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

  • ๐Ÿคฉ Fun and entertaining
  • ๐Ÿ’ก Interesting concept

Room to Improve

  • ๐Ÿ’ฐ Requires payment for core features
  • ๐Ÿคฌ Aggressive monetization tactics
  • ๐Ÿ™…โ€โ™€๏ธ Limited free functionality
  • ๐Ÿ› Buggy and unreliable

More Why Detector apps to explore

FAQ about Why Detector

What are the best why detector apps for iPhone?
Lie Detector Fingerprint Scan tops our why detector apps ranking as of October 2026, with a 3.3-star average from 9.4K App Store ratings, and it's free to download.
Yes โ€” 20 of the top why detector apps we rank are free to download, including Lie Detector Fingerprint Scan and Lie Detector: Test Scan Prank.
Lie Detector Fingerprint Scan shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ why detector apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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