Reduce eye strain and improve sleep with an adjustable blue light filter. Organize your files, photos, and videos with an integrated file manager. Enjoy a seamless web browsing experience with built-in filtering and bookmarking.



210+ iOS apps curated and reviewed
Looking for free blue light twilight apps? 19 of our 210+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.



Reduce eye strain and improve sleep with an adjustable blue light filter. Organize your files, photos, and videos with an integrated file manager. Enjoy a seamless web browsing experience with built-in filtering and bookmarking.




This app provides a customizable night light with soothing sleep sounds to help users fall asleep and stay asleep. It projects a gentle glow onto walls and ceilings, offering various colors and ambient noises. Users can also adjust screen brightness and set sleep timers for a more restful experience.


This browser application helps reduce blue light exposure from your iPhone, aiding in better sleep. Adjust screen brightness with a single touch to minimize eye strain and sleepiness, even when browsing late at night.


This app provides a bright and fast front-facing camera light with video zoom capabilities. It offers features like a timer, strobe effects, and clap-to-control functionality for various low-light situations.


Transform your phone into an eye-friendly reading lamp. Enjoy a customizable, soft glow that reduces eye strain and aids relaxation, perfect for reading in bed without disturbing others. Features include a smart sleep timer and always-on display.


This app provides a bright white flashlight with adjustable brightness and color. It's simple to use for various situations, from finding keys in a bag to creating a romantic ambiance. Offers both screen light and LED light functionality.


This utility app provides adjustable illumination for dark environments. It offers a red light mode to preserve night vision and a bulb light mode to prevent color cast in photography. Ideal for stargazing, camera adjustments, or any task requiring light without compromising sight.


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.


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.


This app allows users to interact with Bluetooth Low Energy devices. It supports scanning for, connecting to, and analyzing BLE peripherals, as well as simulating your own BLE devices. It's a comprehensive tool for developers and enthusiasts working with BLE technology.


Drift off to sleep faster with a variety of high-quality fan sounds and calming ambient scenes. This app is designed to help both adults and children achieve restful sleep, offering a peaceful environment to relax and wake up refreshed.


Plan your photo sessions with precision. This app helps photographers find optimal golden and blue hour lighting, sunrise, and sunset times. Receive personalized notifications and access weather forecasts and moon phases to capture stunning shots.


This app predicts not only sunrise and sunset times but also the quality of light, helping photographers and enthusiasts plan their shoots. It offers detailed forecasts, customizable alerts, and augmented reality tools to visualize the sun's path.


This browser filters out blue light from your device's display to help protect your eyes from strain and fatigue. You can easily adjust the blue light proportion and screen brightness for comfortable viewing, day or night. It also supports visual recovery training.


Simulate realistic police siren sounds and flashing lights. Offers various emergency vehicle sirens and dynamic light patterns. Includes additional tools like turn signals and countdowns for diverse scenarios.


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 built-in Bluetooth lights wirelessly from your smartphone. Adjust brightness, color temperature, and choose from dozens of lighting programs. Supports 16 million color changes and is now compatible with Apple Watch.


This utility app provides a bright and fast flashlight experience for your device. It offers advanced features like adjustable brightness, a strobe mode with customizable frequencies, and an SOS signal function. The app boasts an intuitive design and quick activation to assist you in various situations.


This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.


This app generates binaural beats to aid relaxation, meditation, sleep, and concentration. It offers customizable frequencies, a timer, and the option to mix in rain sounds. Integration with Apple Health and extensive device controls enhance the user experience.