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There are several new features in iOS 9.3, which Apple is currently testing in the public beta version. One of the most discussed he names Night Shift, which is a special night mode that is supposed to reduce the display of blue color in the dark and thus enable better sleep. However, Apple certainly did not come up with any groundbreaking news.

For many years, exactly such an application has been working on Mac computers. His name is f.lux and if you have it on, your Mac's display always adapts to the current time of day - during the night it glows in "warm" colors, saving not only your eyes, but also your health.

The introduction of the Night Shift function in iOS 9.3 is a bit paradoxical, because the developers of f.lux also wanted to get their application to iPhones and iPads a few months ago. However, it was not possible through the App Store, because the necessary API was not available, so the developers tried to bypass it through the Xcode development tool. Everything worked, but Apple soon stopped this way of distributing f.lux on iOS.

Now he has come up with his own solution, and the f.lux developers are asking him to open the necessary tools, for example for regulating the color temperature of the display, to third parties. “We are proud to be the original innovators and leaders in this field. In our work over the past seven years, we've discovered how complicated people really are." they write on their blog, developers who say they can't wait to show off the new f.lux features they're working on.

"Today, we're asking Apple to allow us to release f.lux on iOS to open up access to the features introduced this week and further our goal of supporting sleep research and chronobiology," they hope.

Research claims that exposure to light radiation at night, especially blue wavelengths, can disrupt the circadian rhythm and lead to sleep disturbances and other negative effects on the immune system. In f.lux, they admit that Apple's entry into this field is a big commitment, but also only the first step in the fight against the negative effects of blue radiation. That is also why they would like to get to iOS as well, so that their solution, which they have been developing for years, can reach all users.

f.lux for Mac

We can only speculate if Apple will decide to bring night mode to the Mac after iOS, which would be a logical step, especially when we see in the case of f.lux that it is no problem. Here, however, the f.lux developers would be lucky, Apple cannot block them on the Mac.

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