Does Turbulence Forecast work on iPhone Duo?

Yes. Turbulence Forecast is updated for iPhone Duo and uses the full inner display. Its latest version is built with the iOS 27.1 SDK and uses Apple’s iPhone Duo APIs.

Is Turbulence Forecast letterboxed on iPhone Duo?

No. Turbulence Forecast fills the inner display.

All apps

Turbulence Forecast

Name: Turbulence Forecast
Author: PJM Media, LLC

PJM Media, LLCUtilities

View in the App Store

On iPhone Duo

Fits

Turbulence Forecast fills the inner screen and adapts when you fold.

Its latest version is built with the iOS 27.1 SDK and uses Apple’s iPhone Duo APIs.[1]

How we know: From the app’s build
Checked on: Version 2026.6
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 2026.6, Oct 19, 2026
Status updated: Oct 23, 2026

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Version history

Version 2026.6Fits
iOS 27.1 SDK
Checked Oct 23, 2026

Sources

App Store build, version 2026.6
Built with the iOS 27.1 SDK. Uses UIHingeInteraction and SwiftUI’s reservedRegions, ArrangementView and SplitArrangementViewStyle.