Does LuccaCG Assistant work on iPhone Duo?
Probably, but it's not confirmed. LuccaCG Assistant was updated on 26 October 2026 (version 4.1.0), after Apple's iPhone Duo tools came out, but Lucca Crea S.r.l. 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
- Lucca Crea S.r.l.
- Category
- Reference
- Current version
- 4.1.0 · 26 October 2026
- App Store rating
- 3.8 out of 5 (81 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 4.1.0)
Other Reference apps on iPhone Duo
-
Al Quran TranslationPT Dalfindo Pustaka Digital · ReferenceNot yetLast update 1 July 2026 -
iman ProAdiman · ReferenceAdaptedRelease notes, version 7.17.2 -
e-DevletT.C. CUMHURBAŞKANLIĞI SİBER GÜVENLİK BAŞKANLIĞI · ReferenceNot yetLast update 9 September 2026 -
SaNa Fischerprüfung & LexikonSichtwerk AG · ReferenceNot yetLast update 27 January 2026 -
Bible ChatBook Vitals Inc. · ReferenceAdaptedRelease notes, version 5.1.5 -
Dr.eye譯典通Besta · ReferenceNot yetLast update 12 August 2026 -
Dictionnaire Le Robert MobileDiagonal SAS · ReferenceNot yetLast update 3 September 2026 -
Le ConjugueurBrewalan Le Dru · ReferenceAdaptedRelease notes, version 2.56
All apps on iPhone Duo in South Korea →
Got an iPhone Duo? How does LuccaCG Assistant look on the inner screen?
No owner report yet for version 4.1.0.
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Good to know
Does LuccaCG Assistant work on iPhone Duo?
Probably, but it's not confirmed. LuccaCG Assistant was updated on 26 October 2026 (version 4.1.0), after Apple's iPhone Duo tools came out, but Lucca Crea S.r.l. 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 LuccaCG Assistant be adapted to iPhone Duo?
Only Lucca Crea S.r.l. knows. We check LuccaCG Assistant 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.