Lie Detector vs Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lie Detector
This app simulates lie detection using fingerprint and voice scanning for entertainment. It's designed for playful interactions with friends and family, allowing you to share facts and see if they're true or false. Customize results for added fun.
- Fingerprint scanning simulation
- Voice analysis simulation
- Face scanning simulation
- Customizable scan results
- Entertainment for friends and family
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Lie Detector is a fun app that simulates the process of detecting whether you are telling the truth or a lie in a playful way. The app will help you have fun with your friends and family. Just share fun facts with one another and find out if they are true or false. By default, random result will be generated. The app also allows to customize scan results to make playing with friends even more fun. HOW TO USE: • Place your finger on the screen fingerprint scanner to begin scanning. During scanning, say something to launch the analysis and wait for the scan result. • For lie detection by face, point the camera at the face. • For lie detection by speech, say something for voice analysis. This app is intended for entertainment only and does not provide factual lie detection or scanning functionality. This app does not scan fingerprints or use Touch ID. Please choose from our standard subscription options below: 1-week subscription from $0.99; 1-month subscription from $2.99; 12-month subscription from $5.99. Prices may change depending on your country. Privacy Policy: https://appliks.com/privacy-policy Terms of Use: https://appliks.com/terms-of-use
Authenticator
Simulate biometric authentication for creative projects. This app allows you to choose between palm, retina, or fingerprint scans, or passcode entry. Customize the outcome to always fail, always succeed, or use an override for demonstrations.
- Fake palm scanner
- Fake retina scanner
- Fake fingerprint scanner
- Passcode entry simulation
- Customizable authentication outcomes
- Override authentication option
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An app for fake authentication for movie prop, plays, or demonstrations. Choose to scan palm, retina, fingerprint, or enter a passcode. Choose to always fail, always authenticate, or a variety of options, including an override to authenticate.
Screenshots
Verdict
The clearest difference is rating: Authenticator at 5.0 against Lie Detector's 4.4. Authenticator also leads on in-app purchases (none vs 8) and update cadence (every 2 days vs every 7 months). Lie Detector's advantage is ratings volume (1.2K vs 2). On price, ads, 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 8 in-app purchases, starting at $0.99 per 7 days. Authenticator asks for nothing beyond the download.
Authenticator holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Lie Detector has 1.2K ratings behind it against 2, so its average is the more settled of the two.
Lie Detector ships an update every 7 months, Authenticator every 2 days. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.
| Parameter | Lie Detector | Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.2K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 41.1% of reviews | — |
| Number of ratings | 1.2K — better | 2 |
| Update frequency | Every 7 months | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | AppLiks Sp. z O.O. | Harden Consulting LLC |
Customer experience
Lie Detector
Authenticator
Bugs and requests
Lie Detector
Reported bugs
3 issues- App crashes after a few uses
- Fingerprint scanner not working properly
- Subscription issues and inability to cancel
Requested features
3 requests- Unlock all features for free
- Improve lie detection algorithm
- Add more question types and scenarios
Authenticator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lie Detector
- Weekly Access$0.997 Days
- Lie Detector Premium Pack3 Days trial$1.997 Days
- Weekly Access$1.997 Days
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- Monthly Access$2.991 Month
- Yearly Access$2.991 Year
- Lie Detector Test Pro3 Days trial$2.991 Month
- Yearly Access$5.991 Year
- Lie Detector Premium3 Days trial$5.991 Year
Authenticator
No in-app purchases
Questions
Is Lie Detector free?
Is Authenticator free?
Which has better reviews, Lie Detector or Authenticator?
Do Lie Detector or Authenticator have ads?
Which is updated more often, Lie Detector or Authenticator?
Other comparisons
