Does ChatGPT work on iPhone Duo?
Probably, but it's not confirmed. ChatGPT was updated on 27 October 2026 (version 1.2026.293), after Apple's iPhone Duo tools came out, but OpenAI OpCo, LLC doesn't mention iPhone Duo. Apps built with Apple's standard components fill the inner screen on their own once rebuilt.
- On iPhone Duo
- Updated, unconfirmed
- Developer
- OpenAI OpCo, LLC
- Category
- Productivity
- Current version
- 1.2026.293 · 27 October 2026
- Popularity
- #6 in the top charts in Brazil
- App Store rating
- 4.8 out of 5 (11,690,801 ratings)
- Last checked
How we know
Updated since Apple's iPhone Duo tools came out (5 October 2026), but the developer doesn't mention the Duo. Apps built with Apple's standard components fill the inner screen on their own. See it on the App Store
History on iPhone Duo
- · Updated, unconfirmed (version 1.2026.293)
Other Productivity apps on iPhone Duo
-
Google GeminiGoogle · ProductivityUpdated, unconfirmedUpdated 27 October 2026 -
Claude by AnthropicAnthropic PBC · ProductivityUpdated, unconfirmedUpdated 28 October 2026 -
DolaSPRING(SG)PTE.LTD. · ProductivityUpdated, unconfirmedUpdated 26 October 2026 -
GmailGoogle · ProductivityUpdated, unconfirmedUpdated 26 October 2026 -
Meta AIMeta Platforms, Inc. · ProductivityUpdated, unconfirmedUpdated 27 October 2026 -
Meu INSSServicos e Informacoes do Brasil · ProductivityUpdated, unconfirmedUpdated 14 October 2026 -
Google DriveGoogle · ProductivityUpdated, unconfirmedUpdated 26 October 2026 -
Legalmail MobileInfoCert S.p.A. · ProductivityUpdated, unconfirmedUpdated 12 October 2026
All apps on iPhone Duo in Brazil →
Got an iPhone Duo? How does ChatGPT look on the inner screen?
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Good to know
Does ChatGPT work on iPhone Duo?
Probably, but it's not confirmed. ChatGPT was updated on 27 October 2026 (version 1.2026.293), after Apple's iPhone Duo tools came out, but OpenAI OpCo, LLC doesn't mention iPhone Duo. Apps built with Apple's standard components fill the inner screen on their own once rebuilt.
Why do some apps have black bars on iPhone Duo?
Because they were built before Apple's iPhone Duo tools. On the inner screen, an app built for an older iOS opens in an iPhone-size window on a black background; one built for iOS 27.0 uses more of it but leaves some space blank; only apps built with the iOS 27.1 SDK, which developers have had since 5 October 2026, use the whole display.
When will ChatGPT be adapted to iPhone Duo?
Only OpenAI OpCo, LLC knows. We check ChatGPT on the App Store again within about 1 h: this page changes as soon as a new version says it supports iPhone Duo.
Do apps that aren't adapted still work on iPhone Duo?
Yes. Every iPhone app runs on iPhone Duo: one that isn't adapted just doesn't fill the inner screen until its developer updates it.
How we measure
Sources: Apple's list of apps adapted to iPhone Duo (22 October 2026) and each app's App Store record (version, release date, release notes, description). Apple doesn't say which tools an app was built with, so an app stays “Updated, unconfirmed” until its developer says more.