240+ iOS apps curated and reviewed
Out of 240+ circadian rhythm light meter apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Measure the melanopic content of your light environment to support your body's natural sleep-wake cycle. Get actionable recommendations to improve sleep quality and daytime alertness by understanding how different light sources affect your circadian rhythm.
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 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 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.
Control your Feit Electric LED Smart Bulbs remotely. Adjust brightness, set schedules, and group lights. Customize colors and color temperature for supported bulbs.
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.
Easily manage your LED lights, adjusting color, temperature, and brightness. Sync your lighting to music or control various LED devices via Wi-Fi and Bluetooth.
Optimize your health by tracking sunlight exposure, UV index, and vitamin D synthesis. Log sun sessions, monitor light levels, and receive personalized guidance based on your skin type, weather, and location. Enhance well-being and boost mood by syncing with natural light cycles.
Control a wide range of smart lighting products, including strip lights, bulbs, and lamps. Adjust colors, brightness, and settings for various lighting types like pool lamps and car lights.
Control smart home devices with a personalized experience. Customize your space with advanced color controls, set schedules, and group devices for easier management. Seamlessly integrate existing and new smart products for a connected home.
Manage all your smart home and smart health devices from a single, intuitive application. Control lights, switches, cameras, and track health metrics like weight and BMI. Automate actions with scenes and schedules, and share device access with family and friends.
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.
Control a wide range of smart LED lights from various brands with this universal remote. Automate lighting, sync with music and themes, and enhance your smart home experience. Supports Matter and HomeKit for secure and fast connections.
Control your smart lights with intuitive features. Set schedules, sync colors to music, and change hues with sound or phone shakes. Personalize your lighting experience from photos on your device.
Control a variety of lighting effects, including color, white, and laser lights. Customize scenes, sync with music or sound, and set timers for a personalized ambiance.
Control your smart lighting devices remotely. Organize lights by room, customize colors and brightness, and set schedules. Integrate with voice assistants for hands-free operation.
Transform your smartphone into a versatile table lamp, reading light, or night light. Adjust brightness and color to create the perfect ambiance for sleep, reading, or relaxation. Includes nature sounds and bookmarking features.
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.
Optimize your daily activities by syncing with natural rhythms. This app helps you wake, eat, move, work, and rest at optimal times for improved energy, clarity, and sleep. It leverages sunlight, seasons, and scientific principles to guide your lifestyle for better health.
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.