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知書Nowbook-電子書有聲書課程視頻

SUEPBooks

View in the App Store
On iPhone Duo

Letterboxed

知書Nowbook-電子書有聲書課程視頻 runs in an iPhone-sized window with black bars.

Want 知書Nowbook-電子書有聲書課程視頻 to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 18.1 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 1.4.7
Build
iOS 18.1 SDK
Latest version
1.4.7, Oct 22, 2025
Status updated

What owners report

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Version history

  1. Version 1.4.7Letterboxed

    iOS 18.1 SDK

    Checked Oct 27, 2026

Sources

  1. App Store build, version 1.4.7

    Built with the iOS 18.1 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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