Lie detector vs Lie Detector Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Lie Detector Test
This app provides a fake fingerprint scanner to simulate a lie detector. It's designed for entertainment, perfect for parties and game nights to create humorous situations and encourage laughter.
- Fake fingerprint scan animation
- Sci-fi sound effects
- Dramatic analyzing effects
- Three fake results: Truth, Lie, Unclear
- Great for games and party dares
- Silly and addictive gameplay
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Think you can handle the truth? It’s time to (pretend to) put your honesty to the test with the outrageously fake but totally fun Lie Detector Test app! Whether you're confessing something real, fibbing for laughs, or spinning the wildest tale you can think of, this app is not here to uncover the truth — it’s here to entertain. Just place your fingers on the screen, say your “truth,” and watch as our totally-not-real scanner gives you a verdict: Truth, Lie, or Unclear (whatever that means). Perfect for parties, game nights, dares, or just laughing until your face hurts, this app transforms any get-together into a dramatic and ridiculous guessing game. Get ready to: · Pretend you're telling the truth · Bluff your way through hilarious accusations · Stir up fake drama, real laughs, and wild reactions Features: · Fingerprint scan animation with sci-fi sounds · Dramatic (but completely made-up) analyzing effects · Three fake-but-fun results: Truth, Lie, or Unclear · Great for games, party dares, or making your friends squirm · Silly, simple, and dangerously addictive Whether you're exposing “secrets” or just making stuff up, the Lie Detector Test app is your ultimate tool for chaos and comedy. Disclaimer: This app is for entertainment purposes only and does not actually detect truthfulness. But the drama and laughter? 100% real!
Screenshots
Verdict
The clearest difference is update cadence: Lie detector at weekly against Lie Detector Test 's every 3 months. Lie detector also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). Lie Detector Test 's advantage is rating (4.4 vs 4.0) and review sentiment (75% vs 50%). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lie Detector Test holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Lie Detector Test has 27 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 50% of Lie detector's written reviews are positive against 75% of Lie Detector Test 's.
Lie detector ships an update weekly, Lie Detector Test every 3 months. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.
| Parameter | Lie detector | Lie Detector Test |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (5 ratings) | 4.4 (27 ratings) — better |
| Positive reviews | 50.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 5 | 27 — better |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 3 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Warlock Arts | Zaffles |
Customer experience
Lie detector
Lie Detector Test
In-app purchases
Lie detector
No in-app purchases
Lie Detector Test
No in-app purchases
Questions
Is Lie detector free?
Is Lie Detector Test free?
Which has better reviews, Lie detector or Lie Detector Test ?
Do Lie detector or Lie Detector Test have ads?
Which is updated more often, Lie detector or Lie Detector Test ?
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