Storyline · technology · 2 reports from 2 newsrooms

Rian Johnson’s custom iPhone camera app

First reported Nov 1, 7:00 AM ET · Latest Nov 4, 11:10 AM ET · Explainer updated Nov 4, 12:01 PM ET

Where things stand

Rian Johnson said he built his own iPhone camera app to capture images that match his analog‑film aesthetic, The Verge reports.

Continuum

Facts

Facts appear here as Relay matches them to the reports.

Timeline

What changed: The app, called Chromagraph, costs $13 and applies the same color‑processing math that cinematographer Steve Yedlin uses for film, Wired reported.

Every report, newest first

  1. Rian Johnson explains why he had to build his own iPhone camera app — The Verge

    Rian Johnson is an analog photography devotee. The director of Knives Out and The Last Jedi can often be spotted on set with a Leica M6 at his side, documenting production on film. But sometimes, it's still easier to reach for a phone. So Johnson started…

  2. The Hollywood Color Nerd Who Shot ‘Knives Out’ Explains His Viral iPhone Camera App — WIRED

    The Chromagraph Camera app costs $13 dollars and processes iPhone photos with the same color math Rian Johnson’s cinematographer, Steve Yedlin, uses for film.

Questions

  • It is unclear how the app performs across different iPhone models or whether other filmmakers are adopting it. Open

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More: background

Johnson, known for directing “Knives Out” and “The Last Jedi,” prefers shooting on a Leica M6 film camera but sometimes needs a phone for quick shots. The Chromagraph app lets iPhone photos be processed with the color formulas used in his movies, aiming to blend digital convenience with a film‑like look.

How this works: stories from different newsrooms are grouped by topic, then AI writes the explainer using only those reports. It may miss context the reports don't include.