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Buffer Editor

Blakzero OyUtilities

View in the App Store
On iPhone Duo

Letterboxed

Buffer Editor runs in an iPhone-sized window with black bars.

Want Buffer Editor 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 21.4
Build
iOS 26.2 SDK
Latest version
21.4, Mar 12, 2026
Status updated

What owners report

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Version history

  1. Version 21.4Letterboxed

    iOS 26.2 SDK

    Checked Oct 30, 2026

Sources

  1. App Store build, version 21.4

    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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