Does Lumecast work on iPhone Duo?

Yes. Lumecast is updated for iPhone Duo and uses the full inner display. Built for iPhone Duo, the developer says: the stream fills one half of the inner display and chat the other.

Is Lumecast letterboxed on iPhone Duo?

No. Lumecast fills the inner display.

All apps

Lumecast

Name: Lumecast: Live Streaming
Author: Veilus Digital

Veilus DigitalVideo & TV

View in the App Store

On iPhone Duo

Fits

Lumecast fills the inner screen and adapts when you fold.

Built for iPhone Duo, the developer says: the stream fills one half of the inner display and chat the other.[1]

How we know: Claimed by the developer
Status updated: Oct 21, 2026

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Sources

Lumecast website

Fits

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