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My Calendar 月經日曆日記，經期紀錄，排卵期計算器

SimpleInnovation LLCUtilities

View in the App Store
On iPhone Duo

Letterboxed

My Calendar 月經日曆日記，經期紀錄，排卵期計算器 runs in an iPhone-sized window with black bars.

Want My Calendar 月經日曆日記，經期紀錄，排卵期計算器 to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 26.5 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 13.4.1
Build
iOS 26.5 SDK
Latest version
13.4.1, Oct 27, 2026
Status updated

What owners report

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Version history

  1. Version 13.4.1Letterboxed

    iOS 26.5 SDK

    Checked Oct 30, 2026

Sources

  1. App Store build, version 13.4.1

    Built with the iOS 26.5 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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