Lie Finder vs Lie detector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lie Finder
This entertainment app claims to detect lies by analyzing voice audio. It processes sound frequencies to differentiate between truthful and deceptive speech, offering a fun way to uncover the truth in everyday situations. Use it to test friends, family, or even pets for amusement.
- Voice audio analysis
- Pseudo-Dynamic Wave Interpretation
- Lie detection
- Fun for friends and family
- Real-time feedback
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If you wanted to know if someone was lying or telling the truth, you'd have to hook them up to a polygraph machine in a dimly lit room, or hire some expensive CIA investigator to go analyze them interrogation room style. But, ALL THAT HAS CHANGED! Introducing the LIE FINDER! Using complex Pseudo-Dynamic Wave Interpretation, the Lie Finder is 47.3825% accurate at detecting if you are lying or not just by listening to the sound of your own voice. It can eliminate between the frequencies of a truthful person and a liar, process the data stream, and feedback the results to you in a way that is easy to understand and FUN! Try it on your friends! Try it on your enemies! Try it on your pets! The days of being lied to are over! Did grandma drop her dentures in the soup and fish them out without telling anyone? Did your little brother fart and blame you for it? Are your friends secretly visiting pet shops and teaching all the parrots dirty words? Now you will know THE TRUTH! The LIE FINDER! Finding Lies One Lie at a Time! Disclaimer - This app uses the audio from the microphone of your device to process if you or your friends are telling the truth or lying. This app is limited to the audio input and processing capabilities of your device and, as it is not 100% accurate, should not be used in any instances where knowing truth from lie is mission critical. Please use this app to have fun with your friends!
Lie detector
This app simulates a lie detector by scanning a fingerprint to determine if someone is telling the truth or lying. It measures pulse variations to provide a "mind reading" result, intended for entertainment and pranks.
- Fingerprint scanning lie detection simulation
- Pulse variation analysis
- Simulates a polygraph test
- Prank friends and family
- Entertainment purposes only
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Lie detector: test is a real truth detector app, also known as a polygraph test. Indeed, it allows you to tell if someone is lying or telling the truth. To use the lie scanner: Cover the back camera with your finger and say something. The app will scan your fingerprint and understand if what you say is a lie or a truth. The lie detector will measure your pulse and give you a result based on the variation of your pulse. It is a true mind reader. This lie detector works like a true polygraph test, indeed like a real test it can detect your heartbeat in your finger. It measures and records your pulse while a person is asked and answers a series of questions. For a good laugh, prank your friends, use the truth detector on your family members or friends. Disclaimer: Use for entertainment purposes only, the app does not provide real truth detection functionality.
Screenshots
Verdict
The clearest difference is rating: Lie detector at 4.0 against Lie Finder's 2.6. Lie detector also leads on update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 16.6). On price, review sentiment, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lie detector holds the better App Store score, 4.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 43% of Lie Finder's written reviews are positive against 50% of Lie detector's.
Lie Finder ships an update every 2 months, Lie detector weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Lie Finder | Lie detector |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) | 4.0 (5 ratings) — better |
| Positive reviews | 42.9% of reviews | 50.0% of reviews — better |
| Number of ratings | 5 | 5 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 119 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | AndEtc, Inc. | Warlock Arts |
Customer experience
Lie Finder
Lie detector
In-app purchases
Lie Finder
No in-app purchases
Lie detector
No in-app purchases
Questions
Is Lie Finder free?
Is Lie detector free?
Which has better reviews, Lie Finder or Lie detector?
Do Lie Finder or Lie detector have ads?
Which is updated more often, Lie Finder or Lie detector?
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