Comparison

Lie Detector Test vs LieBuzzer

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 and pulse. Fool your friends with this prank app that offers a modern interface and immersive haptic feedback. It includes a fun DUO mode to test friends against each other.

Highlights
  • Fingerprint scanner simulation
  • Pulse simulator
  • Prank mode
  • DUO mode for two players
  • Modern interface
  • Haptic feedback
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. Features: • DUO mode: Now you can use this app together with a friend. And find out who's lying! Just Have fun! • Modern interface design • Immersive haptic feedback • Prank mode for more fun expirence Disclaimer: This application is only a prank trick for fun. it's not a real polygraph lie detector.

About

LieBuzzer

This entertainment app offers a simple, interactive experience where users can tap their screen to trigger "truth" or "lie" sounds and visuals. It encourages playful interaction with friends through various touch gestures.

Highlights
  • Tap to play truth sound
  • Tap to play lie buzzer
  • Doubletaps and long presses
  • Spamming interaction
  • Share with friends
Features
Read full description

Easy Use: Just tap the left side of your screen to play the "truth" sound or tap the right side to hear and see the "lie" buzzer. Also try doubletaps, long presses or spamming and have fun. Share with your friends!

Screenshots

Lie Detector Test4 screens
LieBuzzer4 screens

Verdict

The call

The clearest difference is review sentiment: LieBuzzer at 100% against Lie Detector Test's 28%. LieBuzzer also leads on rating (4.9 vs 3.6) and ads (none vs shown). Lie Detector Test's advantage is ratings volume (269 vs 14) and iOS requirement (12.0 vs 16.5). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

LieBuzzer holds the better App Store score, 4.9 against 3.6. That said, the two scores are not equally well evidenced: Lie Detector Test has 269 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 28% of Lie Detector Test's written reviews are positive against 100% of LieBuzzer's.

UpkeepUpdate frequency

Lie Detector Test ships an update every 85 months, LieBuzzer daily. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 3 level
Lie Detector Test versus LieBuzzer: the parameters behind the verdict, then further details
ParameterLie Detector TestLieBuzzer
PriceFreeFree
Rating3.6 (269 ratings)4.9 (14 ratings) — better
Positive reviews28.1% of reviews100.0% of reviews — better
Number of ratings269 — better14
Update frequencyEvery 85 monthsDaily — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.5
Further details — not scored
Size22 MB2 MB
Age rating4+4+
DeveloperDenis BatishchevHovhannes Shahnazaryan

Customer experience

Lie Detector Test

All ratings270 ratings
Positive64.4%
Neutral5.6%
Negative30.0%
Written reviews199 reviews
Positive28.1%
Neutral7.5%
Negative64.3%

LieBuzzer

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Lie Detector Test

Reported bugs

8 issues
  • App crashes after extended use
  • Gives opposite results for same question asked twice
  • Detects false statements as true and vice versa
  • Fails to recognize obvious truths
  • Produces random results unrelated to actual input
Show 3 more
  • Malfunctions after one hour of use
  • Inconsistent gender detection
  • App stops responding properly

Requested features

7 requests
  • Language selection option
  • Reduce or remove advertisements
  • Actual functional lie detection capability
  • Improved accuracy and consistency
  • Better explanation of how the app works
Show 2 more
  • Offline functionality without ads
  • More realistic results

LieBuzzer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lie Detector Test

No in-app purchases

None

LieBuzzer

No in-app purchases

Questions

Is Lie Detector Test free?
Lie Detector Test is free to download, with no in-app purchases.
Is LieBuzzer free?
LieBuzzer is free to download, with no in-app purchases.
Which has better reviews, Lie Detector Test or LieBuzzer?
LieBuzzer is rated higher. Lie Detector Test averages 3.6 out of 5 from 269 ratings, while LieBuzzer averages 4.9 from 14 ratings.
Do Lie Detector Test or LieBuzzer have ads?
Lie Detector Test shows ads; LieBuzzer does not.
Which is updated more often, Lie Detector Test or LieBuzzer?
Lie Detector Test ships an update every 85 months, and LieBuzzer daily. Most recently, Lie Detector Test was updated on November 5, 2026 and LieBuzzer on October 30, 2026.

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