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FORM

SJC Companies, LLCUtilities

View in the App Store
On iPhone Duo

Letterboxed

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

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

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 10.401.1
Build
iOS 26.4 SDK
Latest version
10.401.1, Aug 22, 2026
Status updated

What owners report

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Version history

  1. Version 10.401.1Letterboxed

    iOS 26.4 SDK

    Checked Oct 27, 2026

Sources

  1. App Store build, version 10.401.1

    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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