239+ iOS apps curated and reviewed
The best luminosys light meter apps on iPhone average 4.2★ across 239+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (7) | Yes | No | May 2026 |
| 2 |  | Free | 4.6★ (4.9K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.7★ (5K) | No | No | Jul 2026 |
| 4 |  | Free | 4.5★ (3.1K) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.9★ (98K) | Yes | No | Jul 2026 |
| 6 |  | Free | 4.5★ (30K) | No | No | Jul 2026 |
| 7 |  | Free | 3.2★ (14K) | No | No | Jul 2026 |
| 8 |  | Free | 3.4★ (99) | No | Yes | May 2026 |
Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.
This app acts as a professional-grade light meter for plants, measuring PAR, PPFD, DLI, and more using your device's camera. It helps optimize plant lighting by providing accurate readings and in-app guides, with optional advanced features available through purchase.
This utility app transforms your iPhone's LED flash into a powerful flashlight or a customizable strobe light. Enjoy super bright, hot white LED lighting for various uses, from finding items in the dark to creating a party atmosphere.
This app provides multiple lighting solutions, including a bright LED flashlight, a customizable screen light, and a reading lamp with a sleep timer. It offers gesture controls for brightness and color adjustments, making it versatile for various situations.
This utility app provides an immediate and bright flashlight experience. It also features a large, easy-to-read clock, making it ideal for nightstand use. Control the light remotely from a smartwatch.
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.
Control smart lights with your phone. Set custom colors, sync with music, and use timers for automated lighting. Explore various scene modes and even change colors by shaking your device or from photos.
This app functions as a standalone reflective light meter or pairs with hardware for professional flash and color temperature measurements. It offers various modes for photography and videography, storing measurements with notes and location.
This app transforms your device into a powerful magnifying glass using your camera. It also functions as a mirror with adjustable light bars, perfect for low-light conditions. Freeze images for detailed inspection, adjust zoom, brightness, contrast, and even invert colors.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.
Transform your device into a powerful and bright LED flashlight. Offers adjustable strobe and blinking modes for various needs. Enjoy a visually appealing interface with this essential lighting tool.
Control and manage your smart LED bulbs and strips. Discover new devices, apply various lighting effects, and monitor their status. Enhance your living space with intelligent lighting.
Control your wireless LED lights via Bluetooth. Adjust colors, brightness, and dynamic lighting effects like jump, fade, and strobe. Explore unique modes such as voice, twinkle, and meteor for personalized ambiance.
Control your Feit Electric LED Smart Bulbs remotely. Adjust brightness, set schedules, and group lights. Customize colors and color temperature for supported bulbs.
Measure ambient light levels in Lux using your iPhone's camera. Optimize sleep quality by understanding light exposure throughout the day and night.
Control and customize your smart lighting devices with this intuitive app. Create personalized scenes, adjust colors and brightness, and automate your lighting with schedules and voice commands. Enjoy dynamic lighting effects and secure, convenient smart home management.
This application provides a powerful and fast LED flashlight for your device. It offers adjustable brightness, a strobe mode with frequency control, and a built-in SOS signal for emergencies. Its elegant design ensures a user-friendly experience.
This app acts as a portable light meter for photographers. It helps you understand correct photography settings and experiment with shutter speed, aperture, and ISO in real time. Save snapshots with parameters and geolocation, and measure color temperature.
This app functions as a portable light meter, essential for film photographers using manual cameras. It accurately measures reflected light and provides reciprocity calculations for precise exposure control.