Apple's latest multitasking feature for iPad lets you go beyond Split View's two-app restriction to use up to four apps at once. Here's how it works. While Split View gives you two apps to work with side by side, Stage Manager, available on iPadOS 16.1 and later, gives you two to four apps simultaneously. The app windows can be different sizes and float over each other, and you can have more than one group of apps within reach. Stage Manager works well when grouping apps you need to accomplis...