243+ iOS apps & games curated and reviewed
The best detector monster apps and games on iPhone average 4.3★ across 243+ 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 | 3.7★ (7) | Yes | Yes | May 2026 | |
| 2 |  | Free | 4.5★ (4.5K) | Yes | No | Sep 2026 | |
| 3 |  | Free | 4.6★ (531) | Yes | No | Sep 2026 | |
| 4 |  | Free | — | No | No | Jul 2026 | |
| 5 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.8★ (4.1K) | No | Yes | Sep 2026 | |
| 7 |  | Free | — | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 4.1★ (7) | Yes | Yes | Aug 2026 |
This novelty prank app simulates a fingerprint scan to humorously determine your "monster type" and "weight." Customize scan speed, responses, and themes for ultimate pranks. It can even suggest Halloween costumes based on your results.
In a world where replicants threaten humanity, you are a vigilant guard tasked with screening residents. Identify and report replicants while ensuring only ordinary people pass through to maintain peace and security.
Detect hidden spy devices like cameras and microphones using advanced technology. This app helps you safeguard your privacy by scanning for Bluetooth, magnetic fields, infrared, and Wi-Fi signals. Restore peace of mind by unmasking intrusive gadgets in your surroundings.
