#175 Daily dose : Control the pixels of your screen


Your phone’s screen is one of the biggest drains on a battery, but if your handset has an AMOLED display (like most Samsung handsets and a number of others do) then there are things you can do to minimize the drain.

While LCD screens light up the entire display no matter what you’re viewing, AMOLED screens can turn pixels on and off individually, so when you’re viewing a pure black the pixels don’t need to be lit at all.

That’s handled automatically by your phone, but with Pixoff you can choose to turn off some of the pixels whatever you’re doing. This makes the screen appear darker and lower resolution than it would otherwise, but it can save battery in the process, and the app lets you control how many pixels you disable and in what arrangement.

It’s unlikely to be something you’ll want on all the time, but if you have a QHD display the visual effect isn’t that huge, and could be handy if you’re trying to conserve battery. In fact, to make things easier there’s even an option to have it automatically enable when your battery falls below a certain level.

Or you can have Pixoff keep the screen black when your phone is in a pocket or face down on a surface, and it avoids burn-in by slightly adjusting the placement of the black pixels at regular intervals.

All of which makes Pixoff a powerful, well thought-out tool. The core app is free, but for denser arrangements of black pixels (which saves more battery life) you’ll have to buy a $0.99/89p IAP

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