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JBOne App

Julius Baer GroupFinance

View in the App Store
On iPhone Duo

Letterboxed

JBOne App runs in an iPhone-sized window with black bars.

Want JBOne App to fill the inner display? Be the first to vote.

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 26.10.1
Build
iOS 26.4 SDK
Latest version
26.10.1, Oct 28, 2026
Status updated

What owners report

No owner reports yet. Add yours

Version history

  1. Version 26.10.1Letterboxed

    iOS 26.4 SDK

    Checked Nov 5, 2026

Sources

  1. App Store build, version 26.10.1

    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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