But what is HDR exactly?

Is it worth knowing about?

And what apps support it?

How HDR works on the iOS YouTube app

Its available on HDR TVs, but is a fairly new technology for mobile devices.

Thats because OLED has a much better dynamic range than regular LCD screens.

LED panels have an always-on panel lit up behind the grid of LCD pixels.

The pixels themselves are nothing but color filters.

If these pixels are switched off, they block the light, makingsupposedlyblack.

But light always bleeds around the edges, or through the pixels, making it less than total black.

OLED does away with the backlight.

Each individual pixel creates its own light, and when its switched off, its off.

This means that black on an OLED screen is not only more black, but also uses less power.

No iPads have OLED screens, and most recent high-end Androids have OLEDs.

You should check the manufacturers specs to find out.

Several resolutions might be listed1080p60HDR, for exampleso pick the one you want.

There are other apps which supportHDR playback, too.

One isApples video-editing app, Clips, which also records in HDR.

Anothergreat option is Infuse, one of the best video-viewing apps on iOS and Apple TV.

Recording HDR Dolby Vision

Finally, you could also record your own HDR video.

Move outside during the day, and the range changes, its much wider.