Does Gymverse work on iPhone Duo?

Yes. Gymverse 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 Gymverse letterboxed on iPhone Duo?

No. Gymverse fills the inner display.

All apps

Gymverse

Name: Gymverse: Gym Workout Planner
Author: FITNESS22 LTD

FITNESS22 LTDUtilities

View in the App Store

On iPhone Duo

Fits

Gymverse 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 9.1010
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 9.1010, Oct 23, 2026
Status updated: Oct 26, 2026

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Version history

Version 9.1010Fits
iOS 27.1 SDK
Checked Oct 26, 2026

Sources

App Store build, version 9.1010
Built with the iOS 27.1 SDK. Uses UIHingeInteraction, UIView.reservedRegions, UIArrangementViewController, UISplitArrangement, UIOverlayArrangement and systemTraitsAffectingVerticalBarEdge.