Does Threads work on iPhone Duo?
Probably, but it's not confirmed. Threads was updated on 26 October 2026 (version 453.0), after Apple's iPhone Duo tools came out, but Instagram, Inc. 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
- Instagram, Inc.
- Category
- Social Networking
- Current version
- 453.0 · 26 October 2026
- App Store rating
- 4.6 out of 5 (2,331,302 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 453.0)
Other Social Networking apps on iPhone Duo
-
WhatsApp MessengerWhatsApp Inc. · Social NetworkingUpdated, unconfirmedUpdated 26 October 2026 -
FacebookMeta Platforms, Inc. · Social NetworkingUpdated, unconfirmedUpdated 23 October 2026 -
Telegram MessengerTelegram FZ-LLC · Social NetworkingUpdated, unconfirmedUpdated 22 October 2026 -
Life360Life360 · Social NetworkingUpdated, unconfirmedUpdated 27 October 2026 -
DiscordDiscord Inc. · Social NetworkingUpdated, unconfirmedUpdated 26 October 2026
All apps on iPhone Duo in the UK →
Got an iPhone Duo? How does Threads look on the inner screen?
No owner report yet for version 453.0.
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Good to know
Does Threads work on iPhone Duo?
Probably, but it's not confirmed. Threads was updated on 26 October 2026 (version 453.0), after Apple's iPhone Duo tools came out, but Instagram, Inc. 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 Threads be adapted to iPhone Duo?
Only Instagram, Inc. knows. We check Threads 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.