Comparison

Lie Detector Test vs Mood Scanner

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

Simulate a lie detector test using your fingerprint. Fool your friends with this fun prank app that analyzes a "scan" of their finger to determine if they are telling the truth or lying. Perfect for lighthearted entertainment.

Highlights
  • Fingerprint scanner simulation
  • Prank mode to fool friends
  • Fake lie/truth results
  • Laser Xray effect
  • Random result generation
Features
Read full description

Start the scan your fingerprint and say something to see if it is true or a lie. Place your finger on the scanner area and allow scanner begin. Laser Xray will go throught your finger. Use the prank features to fool everyone with this fake lie detector test. Instruction for prank mode: Start by touching and holding friend's finger down on the scan area. First time you see a random result. On result screen tap on the left side of button for “False", and on the right for "True". Pressing the restart button will give a random result. Disclaimer: This application is only a prank trick for fun. it's not a real polygraph lie detector.

About

Mood Scanner

Simulate a mood scanner with realistic graphics to entertain friends and family. This app is for amusement only and does not detect actual moods.

Highlights
  • Realistic scanning graphics
  • Simulates mood detection
  • Entertain friends and family
  • Amusement purposes only
Features
Read full description

This app is intended for entertainment purposes only and does not provide true mood detector functionality. Shock your friends and family with the cool scanning graphics that make your iPhone screen look like a real Mood scanning device!

Screenshots

Lie Detector Test3 screens
Mood Scanner2 screens

Verdict

The call

The clearest difference is rating: Lie Detector Test at 3.4 against Mood Scanner's 2.8. Lie Detector Test also leads on in-app purchases (none vs 1) and review sentiment (36% vs 10%). Mood Scanner's advantage is update cadence (every 13 months vs every 42 months). On price, ads 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. Mood Scanner sells 1 one-off in-app purchase. Lie Detector Test asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lie Detector Test holds the better App Store score, 3.4 against 2.8. That said, the two scores are not equally well evidenced: Lie Detector Test has 1.6K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 36% of Lie Detector Test's written reviews are positive against 10% of Mood Scanner's.

UpkeepUpdate frequency

Lie Detector Test ships an update every 42 months, Mood Scanner every 13 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Lie Detector Test versus Mood Scanner: the parameters behind the verdict, then further details
ParameterLie Detector TestMood Scanner
PriceFreeFree
Rating3.4 (1.6K ratings) — better2.8 (39 ratings)
Positive reviews36.5% of reviews — better10.3% of reviews
Number of ratings1.6K — better39
Update frequencyEvery 42 monthsEvery 13 months — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size22 MB7 MB
Age rating4+4+
DeveloperDenis BatishchevFahad Manzoor

Customer experience

Lie Detector Test

All ratings1,637 ratings
Positive56.3%
Neutral6.6%
Negative37.1%
Written reviews584 reviews
Positive36.5%
Neutral9.6%
Negative53.9%

Mood Scanner

All ratings39 ratings
Positive41.0%
Neutral5.1%
Negative53.8%
Written reviews29 reviews
Positive10.3%
Neutral13.8%
Negative75.9%

Bugs and requests

Lie Detector Test

Reported bugs

2 issues
  • Incorrectly identifies true statements as lies
  • Freezes after each use

Requested features

2 requests
  • More realistic lie detection
  • Option to change language

Mood Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lie Detector Test

No in-app purchases

1 purchases

Mood Scanner

One-time1
  • Pro Version$3.99

Questions

Is Lie Detector Test free?
Lie Detector Test is free to download, with no in-app purchases.
Is Mood Scanner free?
Mood Scanner is free to download, with in-app purchases available.
Which has better reviews, Lie Detector Test or Mood Scanner?
Lie Detector Test is rated higher. Lie Detector Test averages 3.4 out of 5 from 1.6K ratings, while Mood Scanner averages 2.8 from 39 ratings.
Do Lie Detector Test or Mood Scanner have ads?
Both Lie Detector Test and Mood Scanner show ads.
Which is updated more often, Lie Detector Test or Mood Scanner?
Lie Detector Test ships an update every 42 months, and Mood Scanner every 13 months. Most recently, Lie Detector Test was updated on October 21, 2026 and Mood Scanner on October 24, 2026.

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