Does pump.fun work on iPhone Duo?

Yes. pump.fun 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 pump.fun letterboxed on iPhone Duo?

No. pump.fun fills the inner display.

All apps

pump.fun

Name: pump.fun - speculate on trends
Author: Maius Imperium Limited

Maius Imperium LimitedVideo & TV

View in the App Store

On iPhone Duo

Fits

pump.fun 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 32.0.0
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 32.0.0, Oct 23, 2026
Status updated: Oct 23, 2026

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Version history

Version 32.0.0Fits
iOS 27.1 SDK
Checked Oct 23, 2026

Sources

App Store build, version 32.0.0
Built with the iOS 27.1 SDK. Uses UIHingeInteraction and UIViewReservedRegionKind.