Social Networking v13.1.2
Does Telegram Messenger work on iPhone Duo?
Yes. Telegram Messenger 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
- v13.1.2
- Oct 29, 2026
- Duo in release notes
- Not yet
About Telegram Messenger
Telegram Messenger is made by Telegram FZ-LLC and first came out on the App Store in August 2013. It's #12 on today's US App Store top charts. It has 285,241 ratings on the US App Store, averaging 4 stars. Version 13.1.2 came out on Oct 29, 2026 and needs iOS 15.0 or later. It's free to download. Among the 22 social apps we track on the US App Store, 11 already fill the inner display, 4 are partly adapted and 7 still show black bars. By number of ratings, Telegram Messenger is #14 of them.
From its App Store listing:
Pure instant messaging — simple, fast, secure, and synced across all your devices. One of the top 5 most downloaded apps in the world with over 1 billion active users. FAST: Telegram is the fastest messaging app on the market, connecting people via a unique, distributed network of data centers around the globe. SYNCED: You can access your messages from all your phones, tablets and computers at onc…
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 Telegram Messenger. 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
App Store,
App Store listing has screenshots made for iPhone Duo
The developer published 4 screenshots for iPhone Duo’s inner display.
- : Not confirmed yet → Built for Duo — its App Store listing has iPhone Duo screenshots
Latest release notes
Version 13.1.2 · Oct 29, 2026
Bug fixes, minor improvements, and more.
Questions
Does Telegram Messenger work on iPhone Duo?
Yes. Telegram Messenger is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
Does Telegram Messenger 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 Telegram Messenger 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.