Abstract:
After the release of Apple’s first foldable screen phone, iPhone Duo, it triggered a lot of discussion about multi-tasking capabilities. Since the device has a significantly larger internal screen when unfolded, many people naturally believe that it can finally run multiple apps at the same time like an iPad, and even play two videos on both sides of the screen at the same time. However, the actual situation is not so radical: iPhone Duo does support split-screen multitasking, but Apple does not allow users to play two videos at the same time.
iPhone Duo uses an iOS interface redesigned for the folded form. When the device is partially folded, the system can automatically enter split-screen mode, allowing two apps to appear on the screen at the same time. Users can work between the two apps or pin them together to keep them combined while working on other tasks.
This design gives iPhone Duo capabilities that are clearly different from traditional iPhones in work scenarios. For example, users can process content on one side and run another application on the other side; they can also open applications such as TikTok and YouTube at the same time to quickly switch between the two platforms. Apple clearly hopes to take advantage of the area of the foldable screen to make the iPhone Duo closer to a small tablet in some situations.
But if the user wants to open two video applications at the same time and let the two videos play at the same time, the situation is different.
The problem is not that the iPhone Duo's hardware cannot do this, but that iOS limits multimedia playback. Even if two video apps can appear in a split-screen interface at the same time, the system will not allow them to maintain video playback status at the same time. When a user initiates video playback in one of the apps, the video in the other app cannot continue to play in the same way.
This means that the split-screen function of iPhone Duo is not the same thing as "dual video playback" in the traditional sense. It's closer to allowing users to use two apps at the same time, rather than actually turning the 7-inch internal screen into two independent playback areas.
This limitation is actually not surprising. iOS has long had a strict management mechanism for background activities of audio and video, and the system needs to decide which application has priority for media playback. If two applications play videos at the same time, not only will there be a conflict between the two audio tracks, but it will also increase the consumption of processor, graphics processor, battery and network resources.
More importantly, Apple clearly did not design the iPhone Duo as a "small dual-screen tablet" that can run multiple independent media sessions at will. Its split-screen feature primarily serves multitasking, rather than unrestrictedly replicating the window management mode on an iPad or computer.
This also explains why although iPhone Duo has a new folding form, it still does not directly adopt a macOS or iPadOS-style window system. Apple chose to continue to be based on iOS and redesign the interface for the two inner and outer screens and different folding angles.
For example, when the phone is in a half-folded state, the system can automatically enter a split-screen mode suitable for this posture; users can also use this form to watch videos while placing the control area below. The semi-folded state is also suitable for using the keyboard because the position of the screen and keyboard changes with the posture of the device.
After unfolding, iPhone Duo can also provide a more traditional dual application interface. Users are able to work on two tasks simultaneously and drag or switch content between them. Apple even allows users to pin two apps into a combination so that they can be quickly recalled later.
Therefore, what is really noteworthy about iPhone Duo is not its ability to play two videos at the same time, but Apple's attempt to redefine the way multitasking operates on the iPhone.
Judging from the features announced so far, iPhone Duo is indeed closer to a mobile device that can handle complex tasks than the traditional iPhone, but Apple still intends to retain the boundaries between iOS and iPadOS. A bigger screen doesn't mean that everything a tablet can do will automatically be available on a folding iPhone.
For ordinary users, this means that iPhone Duo can handle work while viewing another application, and can also switch between videos, chats, web browsing and other tasks more efficiently. However, if you expect it to be like two independent devices, playing completely different videos in the left and right areas at the same time, I am afraid you will be disappointed.
This also reflects Apple’s software positioning of iPhone Duo: it does not simply put a larger screen into the iPhone, but adds more capabilities suitable for multi-tasking operations to the folded form while maintaining the logic of iOS use. As developers further optimize applications for iPhone Duo, the functions that can be implemented may continue to increase in the future, but at least in the initial stage, "playing two videos at the same time" is not a function that this folding iPhone can provide.
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