Google Confirms Dark Mode in Android Apps Saves Battery

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At the Android Summit the Mountain View company showed a number of slides to developers about how screen brightness and colour affects battery consumption. This, opposed to white, where power consumption is close to maximum. In a way, that statistic kind of explains why scientists have warned against prolonged exposure to blue light. Starting back in the Android M beta (later Marshmallow), Google included a dark mode toggle that changed the settings and system UI from white to dark gray.

At full brightness on a Pixel, YouTube in dark mode used 43 percent less power than normal.

During this week's Android Dev Summit, Google told those developers attending that adding a Dark Mode to their apps will result in extreme battery life savings.


WhatsApp is clearly a popular messaging app with over a billion users, but it lacks a dark mode. Guess which one was better on battery life? Interestingly, Apple launched a dark mode for Mac, although all Macs have LCD screens, which means it won't help with battery life. Especially with devices that sport an OLED display, the dark theme has been known to reduce stress on the battery life.

For those unfamiliar with this app, Files by Google allows Android users to free up space on their mobile devices by storing it in the cloud using Google Drive. In Night Mode at max brightness, however, the Pixel's draw drops 63 percent to 92mA, while the iPhone stays the same.

Google then discussed the benefits of dark modes that have become increasingly prominent in its suite of applications, as noted by SlashGear.


Android device makers, led by Samsung, are expected to start releasing foldable phones next year.

There aren't many popular third-party apps that support dark theme (are you listening Facebook?), but Twitter isn't one of them.

It would be also interesting to see if Google adopts a system-wide dark theme for Android as well, similar to how OnePlus and Huawei are doing on their smartphones.


Google is giving developers tools to push users into updating their apps.

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