Developing· Apple· Published Jul 29, 2026

HBO Max Shorts Is Being Tested on iPhone Users

9to5Mac reported that Warner Bros is testing a new HBO Max Shorts format with select iPhone users in the US. The outlet says the clips use an AI-powered tool for vertical video.

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Signal Summary

According to 9to5Mac, the test appears aimed at a limited group of U.S. iPhone users and centers on short-form, vertical clips. The reporting also points to AI involvement in how the videos are being produced or handled.

Why It Matters

If this test expands, it could shape how HBO Max packages video for mobile viewers and how much AI is involved in streaming extras. It also shows Apple users may be an early audience for new content formats.

DNA Read

The source is a 9to5Mac news post with Reporter-level authority, so the story is treated as attributed reporting rather than confirmed company policy.

Evidence

Start with the primary evidence, then review supporting sources and context.

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Primary Evidence

1
  • 9to5MacDocumentOriginal

    HBO Max Shorts being tested on iPhone users in latest vertical video offensive

    Ben Lovejoy

    Warner Bros has announced that it is inflicting testing a new format on select iPhone users in the US: HBO Max Shorts. As if vertical video weren’t bad enough, the media giant has