Productivity v3.25.2
Does Things 3 work on iPhone Duo?
Yes. Things 3 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
- No
- Phone-only layout today
- Latest version
- v3.25.2
- Nov 2, 2026
- Duo in release notes
- Mentioned
About Things 3
Things 3 is made by Cultured Code GmbH & Co. KG and first came out on the App Store in May 2017. It has 28,069 ratings on the US App Store, averaging 4.8 stars. Version 3.25.2 came out on Nov 2, 2026 and needs iOS 16.4 or later. It costs $9.99. 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, Things 3 is #34 of them.
From its App Store listing:
Get things done! The award-winning Things app helps you plan your day, manage your projects, and make real progress toward your goals. Best of all, it’s easy to use. Within the hour, you’ll have everything off your mind and neatly organized—from routine tasks to your biggest life goals—and you can start focusing on what matters today. “Things offers the best combination of design and functionality…
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.
Apple named it in its iPhone Duo launch roundup on October 22: it shows more of your tasks onscreen at once.
In Split View
iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including Things 3. 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
- Adaptive layoutRearranges into sidebars or multiple panes on the inner display instead of just stretching.
Evidence & history
Apple,
Developers bring incredible new app experiences to iPhone Duo (Apple Newsroom)
Apple says it shows more of your tasks onscreen at once.
Release notes,
Release notes for version 3.25.2
…er changing its date via keyboard shortcuts. THINGS 3.25 Things is ready for iPhone Duo! We’ve tailored the app for the new device, with a dynamic layout for all poses, a sidebar for your lists, and more. A…
App Store,
App Store listing has screenshots made for iPhone Duo
The developer published 6 screenshots for iPhone Duo’s inner display.
- : Not confirmed yet → Built for Duo — Named in Apple’s iPhone Duo launch roundup
Latest release notes
Version 3.25.2 · Nov 2, 2026
• Improved UI performance. • Fixed a bug where the When field of an expanded repeating to-do wouldn’t update correctly after changing its date via keyboard shortcuts. THINGS 3.25 Things is ready for iPhone Duo! We’ve tailored the app for the new device, with a dynamic layout for all poses, a sidebar for your lists, and more. A DYNAMIC LAYOUT ON iPHONE DUO On iPhone Duo, Things reshapes itself to make the most of every pose – whether it’s closed, open, folded like a book, or sharing the screen with another app in Split View. Unfold it, and a new sidebar shows all your lists, so you can easily switch between them. SIDE CONTROLS ON iPHONE DUO On iPhone Duo, app controls sit in a bar down the right side of the screen, within easy reach of your thumb. That includes the Magic Plus button, which you can drag into your list to insert a to-do exactly where you want it. MORE • Connect a keyboard to your iPhone Duo and get the full suite of Things’ keyboard features. • Updated the back and tools buttons at the top of the screen on iPhone with a new glass appearance (iOS 26 or later). • Various other fixes and improvements under the hood.
Questions
Does Things 3 work on iPhone Duo?
Yes. Things 3 is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
Does Things 3 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 Things 3 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.