247+ iOS apps curated and reviewed
The best why detector apps on iPhone average 4.3★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (9.3K) | Yes | No | Sep 2026 | |
| 2 |  | Free | 3.9★ (1.6K) | Yes | No | Sep 2026 | |
| 3 |  | Free | 4.6★ (49K) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 4.5★ (20K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.4★ (24K) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.3★ (55K) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 8 |  | Free | — | No | Yes | Jul 2026 |
This entertainment app simulates a lie detector using a fingerprint scan. It randomly determines if the user is telling the truth or lying, providing humorous results for amusement.
This app simulates a lie detector using fingerprint or eye scanning to prank friends and family. It provides entertainment by revealing whether someone is telling the truth or lying, with additional fun features like a beauty and love score.
Simulate a lie detector test using your device's screen and microphone. Analyze spoken words to determine if they are a truth or a lie, perfect for pranks and entertainment with friends and family.
