Bluelight Filter for Eye Care

Contains adsIn-app purchases
4.2
349K reviews
10M+
Downloads
Content rating
Everyone
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About this app

Automatically adjust screen color according to external light to protect eyes

Don't be robbed of a good night's sleep!

Blue light from your smartphone or tablet causes strain on your eyes and prevents you from falling asleep easily at night.
This app adjusts your screen color to reduce the blue light and helps your eyes to relax, making it easier for you to fall asleep.


Free Screen Filter App to Protect Your Eyes
You can reduce the strain on your eyes easily.
It is simple but effective!
All you have to do is launch this app.

Screen Filter with Natural Color
This app's filter has a natural color so you can read news, emails, and websites clearly.
This app doesn't dim the screen but adjusts the screen color to reduce blue light which causes strain on your eyes.
This natural color filter makes your smartphone screen shift to the screen for night.

Auto mode
Automatically adjust screen color according to external light to protect eyes.

Schedule mode
Turn on/off the screen filter according to the scheduled time.

Screenshots without screen filter
Remove screen filters from the screenshots with the image processing AI technology.

Easy Operation
It is easy to turn on or off with just one tap.
You can adjust the opacity of the filter.
You can choose from 7 different filter colors.

Turn on or off Quickly and Easily
You can choose to show or hide a filter icon in the status bar, making it easy to adjust the settings any time

Startup Automatically
You can choose to launch this filter on startup.

Simple App
This app doesn`t drain your battery except when setting up the filter, since it only adjusts the color temperature. Moreover, memory usage is also low.

Reliable App
This app's developer has been registered as an official developer by an independent organization in Japan.

* This app must have the accessibility permission to apply screen filters.
This app adjusts the brightness and color of the screen to prevent eye fatigue. It is designed to help people with eye conditions.
The app will not use this permission for any other reason than mentioned above.

* If other screen adjustment apps are already running on your smartphone or tablet, it may affect the screen color making it too dark for your eyes.
Updated on
Jan 31, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted
4.2
349K reviews
Amanda Smith
August 12, 2022
I have eye tissue damage from childhood and I am giving this app three stars because it effectively dims the screen sufficiently and offers a range of shades to tint which I appreciate though I never use more than two. But it is difficult and confusing to set up the schedule option (one of the reasons is because it's in military time) and also the screenshot without the filter button has never worked for me. Being able to take easily readable screenshots for other people is important for me.
56 people found this review helpful
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A Google user
July 29, 2019
generally love the app! Update 7/29: The app makes it so that i am unable to utilize some functions on my phone. On the chrome app, i am unable to click on pop ups (such as location access or allow popups from this site), and i am unable to use some apps entirely. these problems go away when i turn off the filter, but it would be ideal to be able to use both simultaneously.
22 people found this review helpful
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Hardy-infinity
April 28, 2019
Thank you for your bug report. We fixed it and the next version will be released tomorrow. Please try it and give your feedback.
Amanda S
January 6, 2021
I've loved using blue light filter, and have it on all of my devices. But now it keeps trying to charge me for a subscription which I didn't sign up for. Luckily, I didn't have my card attached to Google anymore. I don't know if it automatically started after a year, or if I accidentally hit the subscribe button. Either way, be careful about what you click in the apps these days. This sort of thing has been happening more lately (never before)...why my card isn't attached to Google anymore.
79 people found this review helpful
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What's new

Supports Android 13
Bug fix