ITHome · Published 2026-09-10
iPhone 18 Pro reference images preserve a record for comparison
What changed after a photo was taken? Apple Reference Image keeps a capture record for comparison with the editable photograph in Photos.
A record made at capture
Apple’s September 9 announcement describes an optional Reference mode on iPhone 18 Pro models. The Main camera records signed sensor data; Private Cloud Compute turns it into a reference image. Apple likens this unalterable record to a digital negative.
Compare the photograph with later edits
Photos shows the reference beside the editable main image, allowing users to compare versions. ITHome’s September 10 report also describes the two files coexisting. The value is a visible comparison with a capture baseline.
Apple provides APIs for third-party viewing on iOS, iPadOS and macOS 27. The announcement does not list apps that have adopted them.
Different launch conditions in China and the EU
Apple’s footnote says the feature is unavailable in China at launch because of regulatory requirements. EU users cannot capture reference images on iPhone 18 Pro models at launch, but can develop and view them on iOS 27, iPadOS 27 and macOS 27. Future availability is not established.
The feature depends on a corresponding capture record; it cannot recover a digital negative for any arbitrary online image. This account draws on the announcement and original report, without a device or cross-platform sharing test.
Important additions and corrections
Dates below mark changes to our coverage.
- Correction ·
Added Apple’s explanation of reference-image creation and comparison, clarified launch restrictions, and replaced review prompts with bilingual copy and a flow diagram. Original publication and discovery dates are preserved.
Sources and notes
sources中文
Sources and notes
Retained summary and context
At launch, China has no access; EU users cannot capture reference images but can develop and view them on iOS, iPadOS and macOS 27. These are Apple’s launch conditions; BitShovel has not tested a device or cross-platform sharing.
Sources and evidence · 2 links
Each link has a purpose and scope. Link counts do not establish independent confirmation; direct support applies only to the statements specified below.
This page keeps the original link and a short account. Follow the links below for the publisher’s full explanation.
Source timeline
- · Found this reading link via ITHome.
Collection record
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Collection and source publication have distinct dates.
Editorial record
Corrected
· Beijing time (UTC+8)
Added Apple’s explanation of reference-image creation and comparison, clarified launch restrictions, and replaced review prompts with bilingual copy and a flow diagram. Original publication and discovery dates are preserved.
Sources and full record
This dates our review of the wording and sources, not a project release or product update.
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Topic · FollowingCompare before and after to see which subjects and details were retained.