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

There will be ad content shown in certain scenes in our app. For more details, visit https://m.facebook.com/ads/ad_choices.

// Option A //

To download Night Filter – Blue Light Filter for Eye care mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Night Filter – Blue Light Filter for Eye care mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Night Filter – Blue Light Filter for Eye care from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Night Filter – Blue Light Filter for Eye care in HappyMod App.