A coworker needed to put an iPad screen on a Roku for a project, and I realized I was pretty behind on how easy that’s become. I’d assumed an extra app was always required, but that’s not the first thing I’d try now.
A lot of current Roku hardware already has AirPlay, including Roku Ultra, Streambar, and most newer Roku TVs. I’d check Settings > Apple AirPlay and HomeKit first. If that menu exists, put the iPad and Roku on the same Wi-Fi, open Control Center on the iPad, tap Screen Mirroring, choose the Roku, and enter the displayed code if prompted.
Some older Roku Express units and Roku Sticks don’t include AirPlay, and even supported devices can be stubborn. In that case, DoCast connects over the local Wi-Fi and can mirror the full iPad screen or send photos, videos, and music separately. Photos are available without a limit in the free version, while full-screen mirroring requires the paid version, according to the screen mirroring DoCast page.
The setup is pretty short. Open DoCast, select Choose Smart TV, pick the Roku, return to the main screen, and tap Screen. After adjusting quality or other mirroring settings, hit the red button above Start Mirroring, then choose Start Broadcast.
The iPad version is available through the app download DoCast listing.
If AirPlay appears but won’t connect, I’d restart both devices before doing anything else. If DoCast can’t even find the Roku, I’d also check the router for AP isolation or another setting that blocks devices from discovering each other.
So I’m now in the native-AirPlay-first camp, with DoCast as the fallback. I’d change my mind if repeated tests showed AirPlay failing consistently on supported Roku models while the app connected reliably under the same network conditions.