Lie Detector Test vs Lie Detector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Fingerprint scanner simulation
- Prank mode to fool friends
- Fake lie/truth results
- Laser Xray effect
- Random result generation
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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.
Lie Detector
This application analyzes voice recordings to detect lies by examining vocal biomarkers and emotional states. It allows users to record conversations, analyze responses, and uncover hidden truths. The app also offers advice and tips from therapists for dealing with detected lies.
- Record voice answers
- Analyze emotional state
- AI vocal biomarker analysis
- Detect lies
- Self-testing
- Therapist advice
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Everybody lies! But now you can easily detect who is telling the truth and who is trying to hide the real facts from you. How can you detect when someone is lying? - RECORD the answers of your friends to your question, - ANALYSE their emotional state while answering, - LEARN THE TRUTH. Test your friends or check if your personal lie can be easily detected. Get professional advice on what to do when you catch your friends lying to you. Check the supportive materials and useful tips from professional therapists. How does Lie Detector work? Artificial Intelligence analyses vocal biomarkers received from the voice answer. As a result AI reports a spectrum of current emotions and whether the lie was detected. Get your ultimate truth-finder! SUBSCRIPTION PRICING AND TERMS Аnnual subscription with a 3-day free trial period Upgrade to access all Premium features: - Unlimited voice records for testing a friend - Unlimited check-ins for self-tests Link to the Privacy Policy: https://cogapps.com/ldpp.html Link to the Terms of Use: https://cogapps.com/ldtou.html
Screenshots
Verdict
The clearest difference is rating: Lie Detector at 4.4 against Lie Detector Test's 3.4. Lie Detector also leads on ads (none vs shown) and update cadence (fortnightly vs every 42 months). Lie Detector Test's advantage is in-app purchases (none vs 1) and review sentiment (36% vs 7%). On price, device support and iOS requirement 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. Lie Detector sells 1 in-app purchase, starting at $29.99 per year. Lie Detector Test asks for nothing beyond the download.
Lie Detector holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 1.6K and 450 respectively. Written reviews complicate that: 36% of Lie Detector Test's written reviews are positive against 7% of Lie Detector's, so the app with the better star average is not the one people write more warmly about.
Lie Detector Test ships an update every 42 months, Lie Detector fortnightly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.
| Parameter | Lie Detector Test | Lie Detector |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (1.6K ratings) | 4.4 (450 ratings) — better |
| Positive reviews | 36.5% of reviews — better | 7.1% of reviews |
| Number of ratings | 1.6K — better | 450 |
| Update frequency | Every 42 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 22 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Denis Batishchev | Aliaksei Kislou |
Customer experience
Lie Detector Test
Lie Detector
User reviews
Lie Detector Test
From 1.6K App Store ratingsWhat we love
- 👍 Fun to prank friends
- 😯 Surprisingly accurate at times
- 🤩 Amazing programming
Room to improve
- 🐛 Inconsistent results
- 💩 Completely fake/inaccurate
- 🤬 Too many ads
- 😡 Always says 'true'
Lie Detector
From 450 App Store ratingsWhat we love
- 👍 Very useful (one user)
Room to improve
- ❌ Inaccurate lie detection
- ❌ Scam/Billing issues
- ❌ App not working/frozen
- ❌ Limited free tests
- ❌ Poor audio detection
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
Lie Detector
Reported bugs
4 issues- Subscription not recognized after purchase
- Restore function errors
- App freezes
- Cannot hear audio input
Requested features
3 requests- A lie detector app that actually works accurately
- A polygraph test app without ads and with real results
- A serious lie detector app, not for entertainment
In-app purchases
Lie Detector Test
No in-app purchases
Lie Detector
- Yearly Premium Access3 Days trial$29.991 Year
Questions
Is Lie Detector Test free?
Is Lie Detector free?
Which has better reviews, Lie Detector Test or Lie Detector?
Do Lie Detector Test or Lie Detector have ads?
Which is updated more often, Lie Detector Test or Lie Detector?
Other comparisons
