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iPhone Duo goes on sale Oct 23, 2026. Developers are likely to update their apps then, so statuses are for reference until launch.

Release day, your time21:30:53

All apps

Remind

ParentSquareEducation

View in the App Store
On iPhone Duo

Letterboxed

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

Its latest version is built with the iOS 26.5 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 17.0.1
Build
iOS 26.5 SDK
Latest version
17.0.1, Sep 18, 2026
Status updated

What owners report

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Version history

  1. Version 17.0.1Letterboxed

    iOS 26.5 SDK

    Checked Oct 21, 2026

Sources

  1. App Store build, version 17.0.1

    Built with the iOS 26.5 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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