Comparison

Poopy Doopy vs Lie Detector

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Poopy Doopy

This app provides sound effects to mask embarrassing bodily noises during private moments. Choose from various sounds like a hairdryer or jet engine to cover up any unexpected noises, preventing awkward social situations.

Highlights
  • Sound effects to mask noises
  • Variety of sound options
  • Prevents social embarrassment
  • Easy to use interface
Features
Read full description

Už žádné střevní faux pas! Vydávají vaše útroby při jistých činnostech zvuky, že by se i Kraken zastyděl? Vyvinuli jsme pro vás řešení - až příště budete hrát své hnědé blues, přehlušte ho zvuky fénu (či tryskového motoru, jste-li hraví). Stáhněte si aplikaci Poopy Doopy a zkažené rande či zdvihnutá obočí kolegů budou navždy eliminovány.

About

Lie Detector

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.

Highlights
  • Fingerprint lie detector simulation
  • Eye scanner for truth test
  • Dual player check
  • Fake lie detection results
  • Beauty Score feature
  • Love Detector feature
Read full description

Lie Detector Test Prank App - very interesting whenever you get bored. Lie Detector Test is a fun simulation game to see if you are telling the truth or lying. You can use it to prank your friends and family. The application simulates a fingerprint lie detector. Have fun with your friends in this lie detector prank. Ask them a random question, then place their finger on the screen to scan the fingerprint and answer. Our application will have a timeout that simulates the analysis. Then, the screen will display a message about whether you are telling the truth or lying. Imagine the look on people's faces when they believe you can tell if they're being honest or trying to cover up a lie. Test Dual Refresh the way to play lie detector with 2 player simultaneous check feature. Ask a question, let them both answer and place their hands on the screen. Find out who is lying fast. Lie Detector Test Prank can also fake an eye scanner. Put your eyes on the camera, then the screen gives a notification about lying or telling the truth. Fool your friends and have fun with this amazing lie detector test simulator. Tips for you Do you want to be the one in control of the game? Give you a little tip. Press + if you want the result to tell the truth, - for lie. Beauty Score Score your face with the fun Beauty Score feature. Scores are for entertainment purposes only, without any evaluation standards. See how many points you get and spend hours with your friends now Love Detector Predict your love score today. Let's check how your love life This truth test will keep you entertained for hours. How Lie Detector Test Prank App works: - Place your finger on the lie detector fingerprint scanner - Or you can choose the eyes scanner for truth test - Ask a question or hold your finger on the fingerprint scanner until the lie detector app scans and gives a notification. - Are you lying or telling the truth? Suggest some funny questions for you to check if your friend is telling the truth or lying: - Did you brush your teeth today? - Have you done your homework? - Are you lying? Disclaimer: This Lie Detector Test app is a fun app with friends. This result is for entertainment purposes only and does not provide real truth detection functionality. We always welcome all your feedback to enhance the app and satisfy all users. If you have any problem related to the Lie Detector Prank app please contact us. We will try to respond as soon as possible. Thank you!

Screenshots

Poopy Doopy3 screens
Lie Detector4 screens

Verdict

The call

The clearest difference is ads: Poopy Doopy at none against Lie Detector's shown. Poopy Doopy also leads on iOS requirement (11.2 vs 15.6). Lie Detector's advantage is ratings volume (1.7K vs 3) and rating (3.9 vs 3.7). On price, update cadence, in-app purchases and monetization model 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. Poopy Doopy sells 1 one-off in-app purchase and Lie Detector sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Lie Detector holds the better App Store score, 3.9 against 3.7. That said, the two scores are not equally well evidenced: Lie Detector has 1.7K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Poopy Doopy's written reviews are positive against 42% of Lie Detector's.

UpkeepUpdate frequency

Poopy Doopy ships an update every 4 weeks, Lie Detector fortnightly. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

Scorecard5 real differences · 5 level
Poopy Doopy versus Lie Detector: the parameters behind the verdict, then further details
ParameterPoopy DoopyLie Detector
PriceFreeFree
Rating3.7 (3 ratings)3.9 (1.7K ratings) — better
Positive reviews33.3% of reviews42.0% of reviews — better
Number of ratings31.7K — better
Update frequencyEvery 4 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.2 — better15.6
Further details — not scored
Size29 MB231 MB
Age rating9+4+
DeveloperMeguMethod s.r.o.Nguyen Quy Son

Customer experience

Poopy Doopy

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Lie Detector

All ratings1,615 ratings
Positive70.7%
Neutral4.3%
Negative25.0%
Written reviews319 reviews
Positive42.0%
Neutral6.9%
Negative51.1%

Bugs and requests

Poopy Doopy

Not enough reviews yet to summarise bugs or requests.

Lie Detector

Reported bugs

3 issues
  • Ads blocking the lie detector interface
  • Incorrect results for true statements
  • Glitchy and unstable performance

Requested features

3 requests
  • Reduce ads
  • Improve accuracy and consistency
  • Add eye scanning feature

In-app purchases

1 purchases

Poopy Doopy

One-time1
  • Jetman fan$0.99
2 purchases

Lie Detector

Subscriptions2
  • Premium weekly$0.997 Days
  • Premium monthly$1.991 Month

Questions

Is Poopy Doopy free?
Poopy Doopy is free to download, with in-app purchases available.
Is Lie Detector free?
Lie Detector is free to download, with in-app purchases available.
Which has better reviews, Poopy Doopy or Lie Detector?
Lie Detector is rated higher. Poopy Doopy averages 3.7 out of 5 from 3 ratings, while Lie Detector averages 3.9 from 1.7K ratings.
Do Poopy Doopy or Lie Detector have ads?
Lie Detector shows ads; Poopy Doopy does not.
Which is updated more often, Poopy Doopy or Lie Detector?
Poopy Doopy ships an update every 4 weeks, and Lie Detector fortnightly. Most recently, Poopy Doopy was updated on November 2, 2026 and Lie Detector on November 12, 2026.

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