226+ iOS apps curated and reviewed
If you already know Light Meter LM, this is the deeper bench. 226+ lumen meter light apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (2.5K) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.4★ (7) | Yes | No | May 2026 |
| 3 |  | Free | 3.9★ (5K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.5★ (3.2K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.4★ (190) | Yes | Yes | Jul 2026 |
| 6 |  | $1.99 | 4.0★ (78) | No | No | Jul 2026 |
| 7 |  | Free | 4.6★ (52) | Yes | Yes | Jul 2026 |
| 8 |  | Free | — | Yes | Yes | Jul 2026 |
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.
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.
Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.
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 provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.
Measure ambient light levels accurately using your smartphone. This app provides precise readings in lux and foot candles, offering a convenient and cost-effective alternative to professional illuminometers for personal use.
This app measures light intensity in lux and provides real-time exposure suggestions for photography. It offers customizable settings for shutter speed, aperture, and ISO, with options for both front and back cameras. It's designed for personal use to optimize lighting and capture better photos.
This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.
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 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 tool transforms your iPhone into a precise light meter, offering multiple modes for various environments and photography needs. It records measurement history, allows for notes and comparisons, and supports CSV export for detailed analysis.
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 LED flashlight with an intuitive interface. It offers adjustable brightness, SOS, and strobe modes for various situations. Designed for quick access, it features instant-on startup and simple controls.
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.
This app provides precise light measurements in lux and foot candles, along with real-time color temperature readings. It offers shooting value recommendations and allows manual adjustment of camera settings for photographers, plant enthusiasts, and workspace optimization.
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 app transforms your iPhone into a professional light and exposure meter. It provides real-time light measurements with EV feedback, allowing photographers and filmmakers to achieve perfect exposure. Advanced features like spot metering and histograms offer professional-grade control.
Transform your device into a professional light meter to measure luminosity in lux and foot-candles. Achieve optimal illumination for any space, from greenhouses to workspaces, ensuring comfort and preventing glare. Calibrated with reference equipment for precise and reliable readings.
Measure light intensity accurately with your smartphone. This tool provides real-time readings in lux and foot candles, calibrated with professional equipment. Ideal for indoor and outdoor use, it offers average and maximum value tracking.