About this app

Night Filter dims the blue light and provides gentle warm light to ease eye fatigue Simple to use and more than effective 



Key Features

★Reduce visual fatigue by adjusting the screen to natural color; 

★Filter harmful blue light to effectively protect your eyes;


★Provide professional eye health assessment to help you form good habits;

★In possession of a variety of color schemes giving a 24-hour eye care;


★Simple, fast & very easy to use 



Blue light filter protects your eyes by adjusting the screen to natural color and reducing the harmful blue light. You can feel the change when applying it to your screens. It relieves eye fatigue when you are doing night reading, typing or playing games.



How to use our Blue Light Filter app

Step 1: Open the app and turn on the Filter.
Step 2: You can choose your Filter Color and set Auto Enable time.
Step 3: You can click the upper right corner to check your Eye Health Report and set Reminder option. Once the Show Notification is activated, you can control the filter in the notification bar anytime you want.




Q&A


Q: What is blue light?

A: Blue light is a range of the visible light spectrum coming from a variety of technologies including computers, smartphones, televisions, and lights. 



Q: Is blue light always a bad thing?

A: Nope, it largely depends on the timing people receive the light. Natural exposure to blue light during the daylight hours boosts people's energy, alertness and mood. However, elongated exposure to the waves transmitted through screen devices during the evening can disrupt circadian rhythm and cause various health effects including a disruption in normal sleep schedules.

Q: Why do I need night filter?
A: Your smartphone and other electronic devices emit the blue light which impair our vision all the time, it’s important to know how to relax your eyes, night filter could help you through continuous filtering

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App Permissions

Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.
Allows applications to open network sockets.
Allows access to the list of accounts in the Accounts Service.
Allows applications to access information about networks.
Allows applications to access information about Wi-Fi networks.
Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows an application to read or write the system settings.
Allows an application to write to external storage.
Allows an application to read the low-level system log files.
Allows an application to collect component usage statistics
Declaring the permission implies intention to use the API and the user of the device can grant permission through the Settings application.
Allows an app to access precise location.
Allows an app to access approximate location.
Allows access to the vibrator.
Allows an application to read from external storage.
Allows applications to read the sync stats.
Allows applications to write the sync settings.