Block Blue Light and protect your precious eyes!
The status bar, widget, schedule, and all convenient features are free.
Blue light filter function.
12 + blue color light filter are free.
When adjusting the screen dimmer, automatically apply the blue light filter.
+ Blocks blue light which reduces eye fatigue
+ Blue light filter adjustment function
+ 12 kinds of colors to choose from an optimized filter
+ quickly change filter settings in status bar
+ Change widget icon size and Opacity setting
+ Move freely movable widget functionality
+ Screen filter adjustment limit function.
+ All available functions to choose whether to use or not
+ Shortcut creation function
+ Opacity filter setting unit setting Function
+ will not use extra memory and batteries.
+ Low memory consumption is the blue light screen filter
+ Adjusting the screen dimmer reduces battery consumption.

Supported Android
(4.1 and up)
Jelly Bean (4.1 – 4.3.1),KitKat (4.4 – 4.4.4),Lollipop (5.0 – 5.1.1),Marshmallow (6.0 – 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)

Download sFilter Blue Light Filter 1.9.1 Premium APK Mod

sFilter-Pro-v1.9.1_build_48-Mod.apk