Does Pestle work on iPhone Duo?

Yes. Pestle 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 Pestle letterboxed on iPhone Duo?

No. Pestle fills the inner display.

All apps

Pestle

Name: Pestle: Recipe Manager
Author: Will Bishop

Will BishopShopping

View in the App Store

On iPhone Duo

Fits

Pestle 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 4.1.1
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 4.1.1, Oct 22, 2026
Status updated: Oct 28, 2026

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Version history

Version 4.1.1Fits
iOS 27.1 SDK
Checked Oct 28, 2026

Sources

App Store build, version 4.1.1
Built with the iOS 27.1 SDK. Uses UIHingeInteraction, UIView.reservedRegions and SwiftUI’s reservedRegions.
App Store: Pestle 4.1.1 release notes