4K titles on iTunes can only be streamed, not downloaded


However, some HD files will still include HDR and Dolby Vision. It's never been clear why HD video is more expensive than SD when actors, directors and others behind the movies were paid the same. Caveat is, of course, that you need a 4K television-something many households don't now have. HDR increases color range and produces brighter whites and darker blacks.

But none of the rivals will play movies or shows purchased from Apple's iTunes, at least without clunky workarounds. It equates the new and improved picture to that of those of a movie theatre screen.

Apple may still view the Apple TV as nothing more than a hobby, but the company is certainly doing all it can to transform its venerable set-top box into a must-have device. Numerous streaming services, including Netflix and Amazon, have a library of 4K content that pops nicely with the Apple TV 4K. If you've ever fumbled on the couch without your glasses for the Apple TV remote and found yourself holding it upside-down, you appreciate the new tactile differentiation. Content automatically plays in whichever HDR format is compatible with your device.

The new Apple (NASDAQ:AAPL) TV 4K doesn't ship with Dolby Atmos surround sound support or support for 4K HDR YouTube videos.

To check the video quality, tap or click on a movie in your Library.

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It's important to mention that Apple is still selling the regular fourth-gen Apple TV, for those consumers without a 4K television to actually stream all of that sweet 4K content. I have a collection of DVDs and don't feel like paying again for higher-quality Blu-ray or digital versions.

Apple has also put quite a bit of work into its integration with other devices.

The magazine and digital news service rated the Apple TV 4K 4 out of 5 based on its "gorgeous high-fidelity video".

In addition, the Apple TV 4K does not yet support 4K YouTube content, nor does it have an app for Amazon Video, which will also stream movies in Ultra HD.