Simulate lie detection using your device's camera and fingerprint scanner. This prank app offers a fun way to entertain friends with simulated truth or lie tests. Unlock advanced recording features through an in-app purchase for private use.
Summarized from real user reviews of Face Lie Detector. Based on 2.1K reviews and a 3.5/5 average, it highlights the 3 positives and 3 negatives reviewers mention most about this Photo & Video app.
3.0
June 2, 2026
- Completely ad free starting this version. - Updates to the purchase mechanism. - Bug fixes with other library updates.
MoreFace, fingerprint scanner and more.
$0.99
Get more features and no ads.
Record and save face detection video
3 issues
Inconsistent results
Incorrectly identifies truths as lies
3 requests
Improve accuracy of lie detection
Add more 'truth' responses
This app simulates a lie detector using your device's camera and fingerprint scanner. It's designed as a prank to entertain users by pretending to detect truth or lies. The app also features a robotic voice and can stop scanning if your face is removed.
On first start, carefully read the instructions. Generally, pressing the left side of the 'Start Detection' button will simulate a 'truth' result, while pressing the right side will simulate a 'lie' result. This is part of the prank functionality.
Yes, you can record the truth or lie detection results by unlocking this feature through an in-app purchase. These recordings are kept private for your use.
No, this application is strictly a prank and has no relation to any real lie detector technology. It is intended solely for entertainment purposes. Any use outside of entertainment is at your own risk.
The description does not specify exact compatibility requirements. However, it utilizes built-in face and fingerprint scanners, suggesting it requires a device with these hardware capabilities and a compatible operating system version.
