An update to the iOS Netflix app brings HDR video to Apple's new crop of phones including the iPhone 8 family and November's iPhone X, but as of yet, the feature has not been added to the Apple TV version of the app.
The new version of the app adds Dolby Vision support to the iPhone 8, iPhone 8 Plus, iPhone X, plus the 10.5-inch and 12.9-inch iPad Pro. HDR video support for the Apple TV 4K in an app update that was made available before the new set-top box even shipped.
HDR content can be specifically searched for on the app. At present, the HDR content available from the streaming company is limited to self-produced programming.
The Netflix app on the iPhone and iPod touch supports streaming up to 720p resolution in iOS 7.0 and later, but is limited to 480p in iOS 6.0 and earlier. The iPhone 6 Plus, iPhone 7 Plus, iPhone 8 Plus, and iPhone X support streaming up to 1080p.
Any iPad supports streaming up to 720p in iOS 7.0 or later, and 480p in iOS 6.0 and earlier. Any iPads with a Retina Display supports streaming up to 1080p.
The current version of the Netflix app requires iOS 9.0 or later. The app itself requires 117MB of storage space.