Both the Samsung Galaxy S10 and OnePlus 7 Pro include the essentials (and more) when it comes to software and user interface features. As is the case with many Android phones, you can run apps in split screen mode, add widgets to the home screen, and view a feed showing news headlines, reminders, recent apps, and other content by swiping to the left of the home screen.
But each company offers their own specific features as well. OnePlus, for example, offers unique gesture shortcuts, like the ability to flip the device over to mute an incoming call, or to swipe with three fingers on the display to capture a screenshot.
Samsung, meanwhile, offers a shortcut pane called the apps edge that's accessible when swiping in from the right side of the screen. As its name implies, you can pin frequently-used apps to this area for easy access.
Neither feature is a deal-breaker (or deal-maker), and I don't find myself using either one very often. But those who do might find them very helpful for quickly navigating the device.
I generally prefer the OnePlus 7 Pro's interface — which the company calls Oxygen OS — over Samsung's because it's cleaner, and more closely resembles Google's default version of Android, which you can find on devices like the Pixel 3. Samsung's interface is still intuitive and is much less cluttered than it was in years past, particularly on phones that launched before the Galaxy S6. But it still has a look and feel that's distinctly Samsung, from the shape and size of the app icons to the Bixby home screen.