Does IBKR Mobile work on iPhone Duo?

Yes. IBKR Mobile 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 IBKR Mobile letterboxed on iPhone Duo?

No. IBKR Mobile fills the inner display.

All apps

IBKR Mobile

Name: IBKR Mobile - Invest Worldwide
Author: Interactive Brokers LLC

Interactive Brokers LLCFinance

View in the App Store

On iPhone Duo

Fits

IBKR Mobile 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 10.20
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 10.20, Oct 20, 2026
Status updated: Oct 23, 2026

What owners report

No reports from owners yet. Add yours

Version history

Version 10.20Fits
iOS 27.1 SDK
Checked Oct 23, 2026

Sources

App Store build, version 10.20
Built with the iOS 27.1 SDK. Uses UIHingeInteraction.