Screen Filter: blue light off

Contains adsIn-app purchases
4.4
1.96K reviews
100K+
Downloads
Content rating
Everyone
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About this app

It is a screen filter application that blocks blue light of 400 ~ 450 nm band.
We use 700 ~ 750 nm as compensation color band for blue light interception.
The 700 to 750 nm band is the most comfortable color gamut of visible areas.
Free, low-volume app.

Your smartphone or tablet screen will generate a blue light.
Updated on
Jan 20, 2024

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.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

Ratings and reviews

4.5
1.68K reviews
Icke FARAGE
June 12, 2023
Best blue-light filter app; most reliable, simple and straightforward by far. Works over all apps by default. Adverts couldn't be less intrusive. Effective in reducing blue light. Reduction of blue light to a sufficient extent that I haven't experienced any noticeable problems associated with blue light including eye strain and insomnia.
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Barbara Bishop
August 2, 2023
Can't delete anything.
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A Google user
February 20, 2019
this app is very nice
3 people found this review helpful
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What’s new

improvements