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Apple introduced iPhone Duo with Split View multitasking on its 7.6-inch inner display. The foldable iPhone launched globally on September 9, 2026, with iOS 27. The company designed the larger screen to handle two apps together, making work, research, communication, and entertainment faster.
iPhone Duo brings this multitasking experience to Apple’s first foldable iPhone for users worldwide. When opened, the device lets two compatible apps run side by side through Split View. Apple also supports two windows of the same app and saved app pairs.
The biggest advantage appears when two tasks normally require constant app switching. Safari and Notes can support research, while Mail and Calendar can simplify work-related planning. Maps and Messages can keep navigation and conversations visible together.
AI-focused workflows also gain a new edge on the foldable iPhone. ChatGPT and Claude can sit side by side to compare answers, brainstorm ideas, and review responses. Safari and ChatGPT can also combine web research with AI assistance without leaving the source page.
Travel and communication offer several practical combinations for everyday use. Maps with Apple Music can handle navigation and music controls together. Maps with Messages can help coordinate meetings while directions remain visible on screen.
The iPhone Duo also targets professionals who regularly manage documents and communication. Files and Mail can help locate attachments while composing messages. Slack and Zoom can keep team conversations visible during video meetings.
Shopping becomes another useful case for the larger display. Two Safari windows can compare products, prices, and specifications without repeatedly switching tabs. Safari with a shopping app can create a similar comparison workflow.
Learning also benefits from the expanded workspace. YouTube and Notes can support tutorials, lectures and research while keeping written notes visible. Photos and Messages can similarly simplify photo sharing during conversations.
Apple CEO John Ternus called iPhone Duo ‘the most transformational change to iPhone since the original.’ He highlighted its larger display and ability to improve productivity through multitasking.
The most useful app pair will depend on individual workflows and daily tasks. Safari and Notes suit research, while Mail and Calendar fit professional routines. ChatGPT and Claude offer a stronger option for AI-heavy work.
Apple allows users to save frequently used combinations for quicker access. This turns Split View from a simple feature into repeatable workflows across work, travel, shopping and entertainment.
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