I don't know if you could say there are too many apps out there, but there are certainly enough that it can be hard to find the ones worth your time. This is the problem that Google Play App Roundup is seeking to solve. Every week we tell you about the best new and newly updated apps in the Play Store. Just click the app name to head right to the Play Store and check things out for yourself.
Smartphones have allowed billions of people to access the whole of human knowledge at any moment, communicate openly in the blink of an eye, and avoid going to sleep as they stare at the warm glow of the internet in their hand. On that last count, screen brightness is a constant issue. Even when you think you've set a nice dark theme on your device, something bright can pop up and scorch your retinas. No more with Underburn. This app monitors the colors displayed on your screen and intelligently modifies the brightness to save your eyes from the light.
To make this work, Underburn does need to ask for some rather serious permissions. It needs access to your system settings and the ability to record your screen. It'll ask for the screen permission every time you start it, though. It's not just going to start watching you in the background, and the developer removed the internet access permission to further put your mind at peace.
The reason Underburn needs this sort of access is that it's actually taking a screenshot every quarter of a second. Those images are checked to see how many bright colors are displayed. When it seems the content getting brighter, Underburn lowers the brightness of your screen to compensate. I haven't noticed any performance impacts from running Underburn in the background, but you might want to watch carefully if your phone is already a bit slow. This could make it worse.
This app makes the most sense when you're using a dark system UI or app theme. Then, whenever an image or message appears that's mostly white, the screen dims to save your eyes. I also find it very useful for checking the notifications, which are much lighter than most of the apps I'm using.
Underburn takes a fraction of a second to adjust the brightness, and there's an optional floating button that can tweak the brightness setting. Before you activate Underburn, you can also change what the light and dark cutoffs are, as well as how much it will adjust the brightness in automatic mode. It does require a persistent notification, but that makes sense considering the nature of the app. I also like that you can plug Underburn into Tasker for full automation.
Underburn is $1.49 in the Play Store, but it solves a common problem. You might not even realize you had this problem until Underburn solves it for you.