Does JSX work on iPhone Duo?

JSX runs on iPhone Duo but has reported problems. Owners report it freezes when unfolded.

Is JSX letterboxed on iPhone Duo?

Apps built with the iOS 26 SDK or earlier show black borders around an iPhone-sized window on the inner display; iOS 27 apps resize to fill most of it, and iOS 27.1 apps fill it completely. Current status: Has issues.

All apps

JSX

Name: JSX: How I Fly
Author: Delux Public Charter, LLC

Delux Public Charter, LLCTravel

View in the App Store

On iPhone Duo

Has issues

JSX works, but with bugs or broken features.

Owners report it freezes when unfolded.

How we know: Reported by owners
Latest version: v1.7.51, Oct 27, 2026
Status updated: Oct 27, 2026

What owners report

1 report from people using iPhone Duo

Fits: 0
Partly fits: 0
Letterboxed: 0
Has issues: 1
Doesn’t work: 0

Most reports are from version 1.7.51.

Users report that JSX: How I Fly freezes when the phone is opened and becomes unresponsive to touch input, the same issue seen with the SoFi banking app.

1 comment

Has issues
App has the same issue as the SoFi banking app. Freezes when you open up the phone and is unresponsive to any touch input
Version 1.7.51, Oct 27, 2026

Version history

Version 1.7.51
Owners report: Has issues (1)

Has issues

What owners report

Version history

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