NightTone: Blue Light Filter

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NightTone makes your screen more comfortable, enjoyable, and healthier by shifting the colors of your display to a warmer, eye-friendly palette. It makes you sleep and feel better.
It's perfect for everyone's health, especially for people with visual perception problems, light sensitivity, or discomfort.

• The science behind the app
The monitor's blue light tricks our circadian rhythm (our natural body clock) into thinking that it’s daytime. It suppresses melatonin (that sends "time to sleep" cues) and builds up histamine that helps wake us up, boosts attention, and reaction times. In other words, it resets that feeling of tiredness and disrupts our sleep cycle.
Just remember: It's bad to be exposed to sleep-inhibiting blue light during the night.

• Predefined color pallets for common scenarios
- Warm orange for late working hours
- Soft black or inverted colors for dark rooms
- Noisy green for long text reading
- Silky blue for rooms with artificial light
- Tender white for movie night or dark photo work
- All colors are adjustable and can be changed to anything you are comfortable with

• Features
- Change the screen brightness and palette to warmer colors
- Configure the display to virtually any color you want
- Invert the screen's colors for better usage in very dark rooms
- Manual or automatic scheduling
- Multiple monitors supported
- The app can activate itself only during nights (and you can customize the activation hours)
- Start at login, schedule the app, and forget it exists. Just enjoy the benefits
- Easy to use, and there is absolutely no configuration required

• Support
We read your support emails every day, day by day.
Write with confidence any question, feedback, or complaint, and you will receive an answer in a very short period of time.