A charging clock with animated scenes, arranged for the half-open Duo
Does Dock: StandBy Clock & Planets work on iPhone Duo?
Yes, the developer says so: version 1.1.16 keeps readouts clear of the open Duo's status icons and centers effects on the visible half when half-open.
- Developer claimedAli Corak, the developer, in the App Store release notes for version 1.1.16 (released October 17, 2026), which describe Duo changes: readouts that keep clear of the status icons on the open display, and effects that center on the visible half when the phone is half-open. The App Store pictures show ordinary phones.
Adapted for the fold
- Open · Inner display
Clear of the status icons
Open and held upright, the corner readouts keep clear of the status icons.
- Book · Partly folded
Effects face the viewer
Half-open, the Ring, Glow and Shaders effects center on the visible half.
About Dock: StandBy Clock & Planets
Dock turns a charging iPhone into a StandBy clock, with clocks, planets and animated scenes. Version 1.1.16 adds changes for the Duo: readouts keep clear of the status icons on the open display, and some effects move to the half that faces you when the phone is half-open.
Related guides
iPhone Duo poses: closed, open, book, standing and Split View
A plain-language guide to the ways you will hold iPhone Duo, what the phone itself does in each, and the apps and ideas that make the most of them. For anyone buying one, and for anyone building for it.
The best iPhone Duo apps so far (October 2026)
The apps worth installing now that iPhone Duo is on sale, from the apps Apple named as launch partners to indie apps whose developers have shown a real iPhone Duo layout, picked for what they do when you open the phone.
Do your apps work on iPhone Duo? What happens before they're updated
Every iPhone app opens on iPhone Duo, but only updated ones fill the inner display. What an app looks like before its developer adapts it, how to tell which are ready, and which popular apps have said so.
Is this your app?
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Sources: Dock: StandBy Clock & Planets on the App Store (apps.apple.com) · Dock: StandBy Clock & Planets in Apple's app lookup (itunes.apple.com)
More for iPhone Duo
KeepCount
Tyler Hillsman / 1881 Digital, LLC
A board of tally counters: half-folded, counts sit above the fold and the buttons below
Simulator verified: Tyler Hillsman, the developer, in a submission to FoldHunt on October 17, 2026, with an unframed screenshot of the app in the iPhone Duo simulator in the press kit (keepcount.app). The App Store seller is 1881 Digital, LLC. The release notes for version 1.8 (released October 12, 2026) say KeepCount now adapts to the iPhone Duo's inner and outer displays, with a tabletop layout when it's partly folded.
- Book
- Closed
- Open
Calc Pro - The Best Calculator
Panoramic Software Inc.
Ten calculators and converters, with the tape of results beside the calculator when open
Simulator verified: Panoramic Software Inc., the developer, in a submission to FoldHunt on October 18, 2026, and in the App Store release notes for version 7.0.6 (released October 12, 2026), which describe the closed and open layouts. The app's page on the developer's website has pictures of both on the iPhone Duo.
- Closed
- Open
Sticky Widgets
Tyler Hillsman / 1881 Digital, LLC
Sticky notes as widgets, with a larger library and side-by-side editing on the Duo
Simulator verified: Tyler Hillsman, the developer, in the App Store release notes for version 5.4.0 (released October 13, 2026), which add iPhone Duo support with a larger library and side-by-side editing, and in a submission to FoldHunt on October 17, 2026, with an unframed screenshot of the app in the iPhone Duo simulator in the press kit (stickywidgets.app). The App Store seller is 1881 Digital, LLC; the App Store pictures show ordinary iPhones and iPads.
- Open