You can also use night shift option on iphones or ipads which is now available on ios with version 9 3 or newer.
Ipad screen filter blue light app.
The app comes loaded with various features including presets.
Open control center firmly press the brightness control icon then tap to turn night shift on or off.
How to use night shift on iphone.
The good news is that apple has built the functionality into the operating system.
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2 on the same screen you can schedule a time for night shift to turn on automatically and adjust color temperature.
By using blue light filter apps there is a decrease in the amount of blue light produced by screens.
In display brightness you can activate the blue light filter and change settings.
Go to settings display brightness night shift.
Ios a native blue light filter app for ios version 9 3 or newer iphone 5s or ipad 2.
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It s called night shift and it s configured in the settings app under displays.
There are two ways to turn night shift on and off.
The feature called night shift can be activated by taping settings in your home screen.
I m assuming you mean an app to reduce blue light from the display such as f lux.
You can download this highly useful app called f lux that enables the blue light filter for pc running the older windows versions.