8dzal93xxuzj3vksdjhufd3gqpxjegjycz1ajzn piwhe8amxteqmdcnffuk3fncfioa

Blue Light Filter - Night Mode

Blue Light Filter - Night Mode

En app rgb wo 60

App Description

The following description comes from the Google Play Store description of the app:

Eyes feel tired during night reading on the phone?

Have trouble in sleeping after long time watching phone screen?

That is due to blue light. Blue light from your phone and tablet screen is the visible light spectrum (380-550nm) for circadian regulation. According to the scientific studies, exposure to blue light imposes serious threats to retinal neurons and inhibits the secretion of melatonin, a hormone that influences circadian rhythms. It is proven that reducing blue light can greatly improve sleep.

Blue light filter is used to reduce blue light by adjusting the screen to natural color. Shifting your screen to night mode can relieve your eyes strain, and your eyes will feel at ease during night reading. Also blue light filter will protect your eyes and help you sleep easily.

● Reduce blue light
● Adjustable filter intensity
● Save power
● Very easy to use
● Built-in screen dimmer
● Eye protector from screen light

Reduce Blue Light
The screen filter can change your screen into natural color, so it can reduce the blue light which will affect your sleep.

Screen Filter Intensity
By sliding the button, you can easily adjust the filter intensity to soften the screen light .

Save Power
Practice shows it can greatly save power because of reducing screen blue light.

Easy to Use
Handy buttons and auto timer will help you turn on and turn off the app in one second. Very useful app for eye care.

Screen Dimmer
You can adjust your screen brightness accordingly. Get better reading experience.

Eye Protector From Screen Light
Screen shift to night mode to protect your eyes and relieve your eyes in no time.

● Before installing other app, please turn off or pause this app to enable installation.
● When taking screenshots, please turn off or pause this app in case screenshots use the app effect.

Relevant Scientific Studies

Effects of blue lights technology

High Sensitivity of the Human Circadian Melatonin Rhythm to Resetting by Short Wavelength Light
Steven W. Lockley, George C. Brainard, Charles A. Czeisler, 2003

How exposure to blue light affects your brain and body
Nature Neuroscience; Harvard Health Publications; ACS, Sleep Med Rev, American Macular Degeneration Foundation; European Society of Cataract and Refractive Surgeons; JAMA Neurology

Chronobiology International, 26(8): 1602–1612, (2009)
Sensitive Permissions Used By This App
Permission What Why
Full network access Can access the internet It appears this app uses this data for internal use within the app's functionality
Can access the internet It appears this app uses this data for social networking services
Can access the internet It appears this app uses this data for targeted advertising
Take pictures and videos Can use camera or flashlight on the phone Internal
Modify or delete the contents of your usb storage Can write to your phone's USB storage Not analyzed yet
Draw over other apps Can create alerts on other apps or parts of the user interface Not analyzed yet
Third Party Libraries Used by this App
Library Usage

Privacy Analysis

Version of the app analyzed:


App was last analyzed by Privacy Grade on:


Why does this app have this grade?

Our method for grading apps uses a privacy model that we built. This model is based on crowdsourced surveys that we conducted to capture people’s expectations and comfort levels with various app behaviors.

You can see more information about how we grade apps in our FAQ.

See the sensitive permissions table below the app description to see the permissions that made users of the app uncomfortable.

If you have issues about the information on this page, click the button below to send us feedback.

Send Us Feedback