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停课铃

Guangdong Meteorological Service CenterUtilities

View in the App Store
On iPhone Duo

Letterboxed

停课铃 runs in an iPhone-sized window with black bars.

Want 停课铃 to fill the inner display? Be the first to vote.

Its latest version is built with the iOS 18.1 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 3.0.7
Build
iOS 18.1 SDK
Latest version
3.0.7, May 6, 2025
Status updated

What owners report

No owner reports yet. Add yours

Version history

  1. Version 3.0.7Letterboxed

    iOS 18.1 SDK

    Checked Nov 5, 2026

Sources

  1. App Store build, version 3.0.7

    Built with the iOS 18.1 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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