Free, open-source Sidecar/Duet alternative — use your iPhone or iPad as a true second monitor for your Mac over USB or WiFi. Low latency H.264, Retina HiDPI, touch input.
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Updated
Jun 11, 2026 - Swift
Free, open-source Sidecar/Duet alternative — use your iPhone or iPad as a true second monitor for your Mac over USB or WiFi. Low latency H.264, Retina HiDPI, touch input.
Unlock the full potential of Duet Display Second Screen technology for creative professionals and productivity enthusiasts. Learn advanced configuration strategies, latency optimization, and workflow integration across macOS, iOS, and Android ecosystems.
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