250+ iOS apps & games curated and reviewed
The best black light app free on iPhone average 4.3★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (854) | No | Yes | Aug 2026 |
| 2 |  | Free | 2.6★ (25) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.5★ (134K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.4★ (793) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.6★ (1.2K) | No | Yes | Aug 2026 |
| 6 |  | Free | 2.2★ (109) | No | No | Aug 2026 |
| 7 |  | Free | 4.5★ (31K) | No | No | Aug 2026 |
| 8 |  | Free | 4.5★ (423) | No | Yes | Aug 2026 |
This app transforms your phone into a powerful magnifying glass with a high-quality zoom and an integrated flashlight. Easily read small print, examine product details, or even use it as a makeshift microscope. Save and share your magnified images.
Solve word puzzles by revealing hidden fingerprints on keypads to decode passwords within a time limit. Choose password length to adjust difficulty and earn more in-game currency. This free game offers a unique word-sleuthing experience.
This app provides a bright and fast LED flashlight with dimming control. It offers unique features like a compass, altitude tracker, disco mode, and various strobe effects. Customize the look with different skins and enjoy animated light bulbs and candles.
Apply real-time thermal-style heat vision filters to your camera feed. Enhance your photos and videos with unique visual effects. Supports standard iOS screen recording for video capture.
Transform your room into a calming sanctuary with customizable colored lights and soothing soundscapes. This app helps you relax, fall asleep faster, and stay asleep throughout the night with gentle illumination and peaceful audio.
Transform your device into a versatile light source. Adjust brightness, create custom messages with an LED scroller, and utilize specialized modes like SOS and strobe. Communicate with Morse code or enjoy fullscreen colored illumination.
This utility app provides a bright and fast flashlight with adjustable LED brightness. It also includes an always-on compass and a mini-map for navigation in the dark. Additional features include strobe modes and an SOS signal.
Transform your device's screen into a customizable light panel without distractions. Easily adjust to any color for various uses, from photography to tracing and mood lighting. Unlock advanced features like precise color temperature control and external display mirroring through in-app purchases.
This versatile tool magnifies text and objects with real-time focus and adjustable exposure. It features an OCR text reader, color picker, and simulated night vision. It also includes a powerful flashlight with SOS mode for emergencies.
Create personalized soundscapes by blending ambient noises like rain, ocean waves, or white noise to help you fall asleep faster and wake up refreshed. Offers curated scenes and a minimal interface designed for nighttime use.
Control your Bluetooth lamps with ease. This app automatically identifies and matches your registered equipment, simplifying control of your room lights. It also allows for precise selection when managing multiple identical lamps.
Control LEDs connected to a Bluetooth-enabled Arduino clone with your smartphone or tablet. This platform enables custom LED projects using a cross-platform app.
Control your wireless LED lamps with this app. Adjust color, brightness, and create custom modes. Connect multiple lamps and manage them individually or in groups.
Enhance your photos with captivating thermal effects. This app offers a variety of filters, customizable sensitivity, and easy sharing options. Its intuitive interface makes it simple for anyone to create unique and extraordinary art.
This app transforms light into sound, enabling users to "hear" brightness and locate light sources. It's designed for individuals with vision loss, offering features like color recognition and vibration feedback.
This app transforms your device into a gentle red or amber night light, ideal for nighttime baby care. It provides a warm glow to avoid harsh glare, helping both parents and infants stay calm during feeds and changes. Features include customizable modes, an auto-off timer, and a dimming function.