This is a paid version "Bluelight Screen Filter ".
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Reading your smartphone or tablet in the dark is probably bad for you. That's unlikely to stop you, so beyond quitting cold turkey, what are the easiest ways to fix your bedtime reading device so it doesn't put so much strain on your eyes?
Or, are you having trouble falling asleep? Are your kids hyperactive when playing with the tablet before bed time?

Recent research suggests that exposure to blue light before sleep may distort your natural (circadian) rhythm and cause inability to fall asleep.

Knowing all this, are you now less likely to take your smartphone, tablet, or laptop to bed with you? We're guessing no. What you can do instead is adjust your screen so it doesn't have as negative an impact on your eyes. BlueLight screen filter Pro may be a best solution for reduce blue light and healthy sleep!

BlueLight screen filter Pro :

Features :
- Natural : easy to use
- Advanced : more option control filter

The application makes your device screen adapt to the time of the day. Here are a few ways and suggestions.
- Always : it filters of blue light emitted full time ( day and night).
- Sunrise - sunset: It filters the flux emitted by your phone or tablet after sunset and protects your eyes with a soft and pleasant filter. The filter intensity is adjusted to the sun cycle based on your local sunset and sunrise times.
- Custom : it filters of customize your self

All feedback and feature requests related to the operation of the application, as well as many other questions can be send the following email of support team:ktssolutionapp@gmail.com . If you like our app, please take a minute to rate it on Google Play market.