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Learn to Read

DuolingoEducation

View in the App Store
On iPhone Duo

Letterboxed

Learn to Read runs in an iPhone-sized window with black bars.

Want Learn to Read to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 16.4 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 1.96.2
Build
iOS 16.4 SDK
Latest version
1.96.2, Aug 2, 2023
Status updated

What owners report

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Version history

  1. Version 1.96.2Letterboxed

    iOS 16.4 SDK

    Checked Oct 29, 2026

Sources

  1. App Store build, version 1.96.2

    Built with the iOS 16.4 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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