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Vooks

Vooks IncBooks

View in the App Store
On iPhone Duo

Letterboxed

Vooks runs in an iPhone-sized window with black bars.

Want Vooks to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 26.2 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 19.7.8
Build
iOS 26.2 SDK
Latest version
19.7.8, Oct 27, 2026
Status updated

What owners report

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Version history

  1. Version 19.7.8Letterboxed

    iOS 26.2 SDK

    Checked Oct 28, 2026

Sources

  1. App Store build, version 19.7.8

    Built with the iOS 26.2 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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