What We Love
- 🚀 Bright and powerful light
- ⏱️ Useful clock feature
- 👍 Simple and easy to use
- 🔍 Convenient for dark situations
Room to Improve
- 🔊 Loud ads disrupt use
- 🔋 Drains battery quickly
- 🔆 Could use adjustable brightness levels
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.














An app designed to help optimize plant lighting by measuring PAR, lux, and kelvin, aiding in maximizing yield while minimizing energy consumption. Additionally, it offers helpful articles, a plant lighting calculator, and a Pro subscription for advanced features and resources to support plant growth. Visit the website to learn more.


A versatile flashlight and reading lamp app that offers brightness control, color options, and a sleep timer for optimal usage. Enjoy three different modes with gesture control and no registration required. Share feedback to help enhance the app experience!


Control and manage your smart LED bulbs from anywhere with this app. Turn lights on/off, dim, set groups, timers, customize colors, and use voice commands with Alexa or Google Assistant. Easy setup with direct WiFi connection at home. Get started today with a Feit Electric Smart LED bulb and the app.


Enhance your photography with a professional color and flash metering tool that offers spot metering, flash exposure, color temperature readings, and more. Visit http://lu.mu/ to discover how Lumu Light Meter can elevate your image-making experience.


Control your LED devices with ease - change colors, temperature, and brightness. Sync your LED lights to music beats. Compatible with various LED devices, including strips and bulbs. Privacy Policy and Terms of Use available.


Track sunlight exposure and sync your activities with your body's natural rhythm using data preferences. Improve your sleep, mood, and productivity with personalized insights tailored to your circadian cycle. Try now for a healthier lifestyle!


A convenient app for maximizing the features of various Keepsmile products including strip lights, LED bulbs, floor lamps, wake lights, and more. Experience the full range of lighting solutions with ease.


Control smart home products with the Cync app, featuring enhanced personalization, dark theme option, TrueImage technology, advanced color control, and faster, more reliable connections, along with the ability to schedule lights, create custom scenes, and integrate new Cync products seamlessly. Explore more at GELighting.com/cync.


Control your smart home devices with ease using this innovative application. Turn lights on and off, adjust thermostat settings, and monitor security cameras all in one place. Simplify your home automation experience today!


Experience a smart lighting solution that adapts to your preferences and lifestyle. Control light colors with music, set timers, select scenarios, change colors with a shake, control lights by sound, and even change colors from photos on your mobile. Indulge in innovation and convenience for your lighting needs.


This application allows users to control their LED lights remotely via their smartphones. Create vibrant lighting effects, schedule timers, and adjust brightness levels with ease. Bring color and ambiance to any space with this intuitive light controller app.


This smart lighting application allows users to customize color choices, sync with music, set timers, and control lights via sound, shake, or remote control within a 15-meter range. Additionally, users can change light colors based on photos from their mobile devices. Experience the ultimate lighting control with this versatile app.


Experience a diverse world of lighting with Smart Night Light! From color lights to music synchronization, easily create custom scenes and enjoy a seamless connection between the remote control and the app. Set timers and countdowns to enhance every moment of your life.


This app allows you to manage your smart home devices easily, with features like quick setup, group organization, remote control, voice commands, preset color effects, music sync, adaptive lighting, vacation mode, automations, and sharing controls. Experience a smarter home with SYLVANIA SMART devices. Visit the website for more information.


This app turns your smartphone into a versatile table lamp, reading light, and night light with adjustable brightness and color. It offers a range of features, including relaxing nature sounds, a sleep timer, and personalized profiles, to enhance your relaxation and reading experience.


Measure light intensity accurately with the Light Meter LM-3000 app, offering a user-friendly interface for quick and precise readings. Enhance your lighting setups with this essential tool.


Optimize your daily routine with personalized suggestions based on your natural biological rhythm. Enhance your wellness and productivity by aligning your activities with your body's natural cycles.


Control your LED lights wirelessly with our smart Bluetooth lighting software. Easily adjust colors, brightness, and lighting modes straight from your phone. Experience a variety of unique light modes like twinkle and meteor effects for a customized ambiance.