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Sleeper

Blitz StudiosVideo & TV

View in the App Store
On iPhone Duo

Letterboxed

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

Its latest version is built with the iOS 26.4 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 156.0
Build
iOS 26.4 SDK
Latest version
156.0, Oct 15, 2026
Status updated

What owners report

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Version history

  1. Version 156.0Letterboxed

    iOS 26.4 SDK

    Checked Oct 23, 2026

Sources

  1. App Store build, version 156.0

    Built with the iOS 26.4 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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