Should you shoot RAW on iPhone

What ProRAW actually is

A traditional raw file is the unprocessed sensor readout. On a phone that would be a poor photo, because almost everything good about a phone image comes from the computational processing applied after capture: multiple frames merged, noise reduced, tone mapped, local contrast applied.

Apple ProRAW is a compromise between the two. It is a DNG file that carries that computational processing baked into the pixel data, but stores it with far more bit depth and dynamic range than a finished HEIC or JPEG, and keeps the settings such as white balance and tone curve adjustable rather than fixed. You get the phone's processing and the raw file's editing latitude in one file.

What that means practically is that a ProRAW file looks broadly like a normal iPhone photo when you open it, rather than looking flat and grey the way a camera raw file does. The difference shows when you start moving sliders: highlights that were clipped in the HEIC are recoverable, shadows lift without falling apart, and white balance can be changed after the fact without damaging skin tones.

It is not a magic quality setting. An unedited ProRAW file is not better than the HEIC of the same scene. It is the same photo with more room to work.

Which iPhones can shoot it

ProRAW has always been a Pro-only feature, and the 48 megapixel version arrived later than the format itself.

The setting lives in Settings, Camera, Formats, under Photo Capture, as Apple ProRAW and Resolution Control. Once enabled, a RAW toggle appears in the Camera app so you can switch per shot rather than leaving it on permanently, which is how most people who use it actually use it.

If your iPhone is not a Pro model, ProRAW is not available and no setting will reveal it. Third party camera apps can capture a conventional raw file on some non-Pro models, but that is a different and generally less useful thing than ProRAW.

What you genuinely gain

Four real advantages, in descending order of how often they matter.

Highlight recovery. The most valuable by a distance. A blown sky behind a person, a bright window, a stage light: in a HEIC those pixels are simply white and there is nothing to retrieve. In a ProRAW file there is usually another stop or more of information hiding there.

White balance after the fact. Mixed lighting is the hardest thing for a phone to judge, and it is the single most common reason photos of people look wrong. A raw file lets you set the white balance during editing rather than being stuck with the camera's guess, which is worth more for skin tones than any retouching tool.

Gentler processing. Apple's default processing sharpens and reduces noise quite assertively. On skin, foliage and fabric this sometimes produces a slightly synthetic texture. Editing a ProRAW file yourself lets you apply less of it.

Shadow latitude. Lifting deep shadows in a HEIC introduces banding and colour blotches quickly. In ProRAW there is more depth to pull from before it breaks.

Notice that all four are about editing. If the file goes straight from camera to Instagram, none of them ever comes into play.

What it costs you

The costs are concrete and they arrive immediately.

Storage. Apple puts ProRAW at roughly 25MB at 12 megapixels and roughly 75MB at 48 megapixels, against a few megabytes for a HEIC. A weekend of shooting fills a phone. The newer JPEG-XL options cut this significantly on supported models, but it remains an order of magnitude more than normal capture.

No Live Photos, no Portrait mode, no video. Apple states plainly that ProRAW cannot be used with any of these. If you shoot people, losing Portrait mode and Live Photos is a bigger sacrifice than the storage.

Slower capture and review. Files take longer to write and longer to open, which matters when you are trying to catch a moment or scroll a library.

An unavoidable editing step. A ProRAW file you never edit is a large file of a photo you already had. The whole benefit is conditional on doing the work.

Sharing friction. A DNG is not something to send to a friend or upload to a web form. You export a JPEG from it, which is another step every time.

Who should turn it on, and who should not

Turn it on if you already edit your photos in Lightroom, Darkroom or Photomator rather than tapping a filter; if you shoot in difficult light where highlights blow out or the white balance is unreliable; if you are photographing something you cannot reshoot, such as a wedding or a trip; or if the photo is going to be printed large.

Leave it off if your photos go to a feed or a chat; if you shoot people and value Portrait mode and Live Photos; if your phone storage is regularly full; or if you are honest with yourself and know the files will sit unedited.

The middle path is what most people who use ProRAW settle on: leave the format enabled in Settings so the RAW toggle appears, but keep the toggle off by default and switch it on for the handful of shots that need it. The Camera app remembers your preference under Settings, Camera, Preserve Settings, so decide whether you want it to persist between sessions.

One honest caveat on 48 megapixel capture: it only applies to the main camera at 1x. Switch to the ultra wide or the telephoto, or turn on Night mode or the flash, and you are back to 12 megapixels with a much larger file than a HEIC for no resolution gain.

What to do instead, for most people

If your goal is better photos rather than more control, the same effort spent elsewhere pays more.

Fix the exposure at capture. Tap the subject, then drag the sun icon up or down. A correctly exposed HEIC beats a badly exposed raw file, because the latitude is there to save mistakes rather than to make them free.

Shoot in better light. Window light with the sun off the glass, or the last hour before sunset. No format recovers a flat overhead ceiling bulb.

Learn the built-in editor. Exposure, shadows, warmth and tint in Apple Photos, applied in that order, improves more photos than any capture format change. The method is in how to enhance photo quality.

Check your other camera settings first. Resolution, grid, lens choice and Photographic Styles all make a visible difference and cost nothing in storage. The iPhone camera settings guide covers them.

If storage is the barrier, note that the HEIC format you are already using is doing you a considerable favour. The comparison is in HEIC vs JPEG.