Productivity v7.1.34
Does Goodnotes work on iPhone Duo?
Yes. Goodnotes is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
At a glance
- Inner display (7.6″)
- Built for Duo
- Outer display (5.4″)
- Works normally
- Built with
- Not read yet
- We read each app's build SDK after it updates
- iPad version
- Yes
- Layout already handles big screens
- Latest version
- v7.1.34
- Nov 1, 2026
- Duo in release notes
- Mentioned
About Goodnotes
Goodnotes is made by Goodnotes Limited and first came out on the App Store in January 2019. It has 467,254 ratings on the US App Store, averaging 4.7 stars. Version 7.1.34 came out on Nov 1, 2026 and needs iOS 18.6 or later. It's free to download. Among the 46 productivity apps we track on the US App Store, 28 already fill the inner display, 3 are partly adapted and 15 still show black bars. By number of ratings, Goodnotes is #21 of them.
From its App Store listing:
Goodnotes has always been the place to capture your ideas — from quick notes to big plans. Now, it goes further. With powerful AI and new ways to capture information, Goodnotes helps you connect the dots, unlock insights, and turn ideas into action. *Existing Goodnotes 5 users can continue to use Goodnotes 5 indefinitely or upgrade to the new Goodnotes. Either way, your notes are safe!* For profes…
On the inner display
The app reaches the edges of the inner display. Text and controls stay a comfortable size instead of being blown up.

In Split View
iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including Goodnotes. Open it on the inner display, then add a second app next to it. You can save the pair and come back to it later.
Duo-specific features
None confirmed yet. Duo-specific features include side toolbars, layouts that react to the fold, and content on the outer display while the app is open inside.
Evidence & history
Release notes,
Release notes for version 7.1.34
* Goodnotes is now optimized for iPhone Duo, featuring a new two-level toolbar, reading mode, and layouts that adapt to folded, semi-folded, and unfolded displays.…
App Store,
App Store listing has screenshots made for iPhone Duo
The developer published 3 screenshots for iPhone Duo’s inner display.
- : Not confirmed yet → Full screen — built with the iOS 27.1 SDK
- : Full screen → Built for Duo — release notes for 7.1.34 say it supports iPhone Duo
Latest release notes
Version 7.1.34 · Nov 1, 2026
* Goodnotes is now optimized for iPhone Duo, featuring a new two-level toolbar, reading mode, and layouts that adapt to folded, semi-folded, and unfolded displays. * Fixed a crash that could occur after converting pages to a whiteboard from the thumbnails sidebar. * Fixed a crash that could occur while drawing lines and shapes. * Fixed a crash that could occur when opening documents with a Goodnotes Education account. * Fixed an issue where Google Drive Auto Backup could cause the app to stop responding. * Fixed an issue on iPad where the Account Settings menu could get stuck on screen. * Fixed an issue on iPadOS 27 where the Share and Export menu was cut off. * Fixed an issue where Math Assist did not highlight solved equations on whiteboards. * Fixed an issue where sync error alerts could appear repeatedly. * Fixed an issue where the object menu closed after undoing or redoing while editing text. * Fixed an issue where the Sign in to Goodnotes Education button was missing from the profile menu. * General bug fixes and stability improvements.
Questions
Does Goodnotes work on iPhone Duo?
Yes. Goodnotes is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
Does Goodnotes work on the outer display?
Yes. iPhone Duo's 5.4-inch outer display behaves like a regular iPhone screen, so every iPhone app works there as usual.
Can I use Goodnotes in Split View on iPhone Duo?
Yes. On iPhone Duo every app can be placed side by side with another app on the inner display — developers don't need to opt in. How comfortable it feels at half width depends on the app's layout.