Reads books and PDFs aloud, with the page beside the spoken words when open
Does ReadAloud: Text to Speech PDF work on iPhone Duo?
Not yet. The developer, Zhengqiao Jiang, has shown ReadAloud's iPhone Duo layouts and says they come in an upcoming update. The current App Store version doesn't mention the Duo.
- Developer claimedThe developer, Zhengqiao Jiang, shows ReadAloud's iPhone Duo layouts in simulator screenshots on GitHub and calls them an upcoming update (github.com). The App Store seller is Zhengqiao Jiang (id 6765783837). Version 1.8.3 (released October 3, 2026) does not mention the Duo, and neither does the description.
Adapted for the fold
- Closed · Outer display
Listen at a glance
Closed, the cover holds the library. Turned sideways, it shows the current passage in big type with a large play button.
- Book · Partly folded
Read above the controls
Half-folded like a laptop, the text being read sits on the upright half, and playback, speed, voice and sleep controls sit on the half on the table.
- Open · Inner display
The page beside the words
Open, the book's original page sits beside the reading view, which highlights the words as they're spoken. The library can take the page's place, so you can pick what's next while it keeps reading.
About ReadAloud: Text to Speech PDF
ReadAloud reads books, PDFs and web pages aloud. Its developer has shown simulator screenshots of the iPhone Duo update: the library on the cover, or the passage in big type with the cover turned sideways; reading above the playback controls when it’s half-folded like a laptop; and, open, the original page beside the words being read.
On the ideas wall
All ideasReadAloud: the page beside the words being read aloud
Zhengqiao Jiang's read-aloud app for books and PDFs. The cover holds the library, or turned sideways, the passage in big type. Half-folded like a laptop, the text sits above the controls. Open, the page or library sits beside the words.
Related guides
iPhone Duo poses: closed, open, book, standing and Split View
A plain-language guide to the ways you will hold iPhone Duo, what the phone itself does in each, and the apps and ideas that make the most of them. For anyone buying one, and for anyone building for it.
The best iPhone Duo apps so far (October 2026)
The apps worth installing on day one, from Apple's four launch partners to indie apps whose developers have shown a real iPhone Duo layout, picked for what they do when you open the phone.
Do your apps work on iPhone Duo? What happens before they're updated
Every iPhone app opens on iPhone Duo, but only updated ones fill the inner display. What an app looks like before its developer adapts it, how to tell which are ready, and which popular apps have said so.
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Sources: readaloud-iphone-duo on GitHub (github.com) · ReadAloud on the App Store (apps.apple.com)
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