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Lumosity

Lumos Labs, Inc.Education

View in the App Store
On iPhone Duo

Letterboxed

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

Want Lumosity 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 10.20.102
Build
iOS 26.4 SDK
Latest version
10.20.102, Oct 15, 2026
Status updated

What owners report

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Version history

  1. Version 10.20.102Letterboxed

    iOS 26.4 SDK

    Checked Oct 27, 2026

Sources

  1. App Store build, version 10.20.102

    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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