Fits Duo
Submit your app

iPhone Duo is out. Developers are updating their apps, so statuses may change over the next few days. Report how an app fits

All apps

UnionPay APP

中国银联Finance

View in the App Store
On iPhone Duo

Letterboxed

UnionPay APP runs in an iPhone-sized window with black bars.

Its latest version is built with the iOS 26.2 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 10.3.8
Build
iOS 26.2 SDK
Latest version
10.3.8, Oct 8, 2026
Status updated

What owners report

No reports from owners yet. Add yours

Version history

  1. Version 10.3.8Letterboxed

    iOS 26.2 SDK

    Checked Oct 23, 2026

Sources

  1. App Store build, version 10.3.8

    Built with the iOS 26.2 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
See all 113