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Updated April 7, 2026

How-To

How to Delete Duplicates Automatically on iPhone

iOS 16 introduced an automatic duplicate finder that lives in the Photos app. Here is how to use it to clean up duplicates fast.

By Jack Smith  ·  April 7, 2026  ·  7 min read

Quick Steps

Open the Photos app, tap Albums, scroll to Utilities, and tap Duplicates. iOS automatically detects duplicate photos and groups them. Tap Merge on any group and iOS combines them into one, keeping the highest quality version with all metadata. To merge all at once, tap Select, then Select All, then Merge. The duplicates move to Recently Deleted; empty that to fully reclaim space.

The Built-in Duplicates Album

Apple added automatic duplicate detection in iOS 16, and it works better than most third-party apps. The Duplicates album scans your library in the background and identifies photos that appear to be the same: identical files, near-identical edits, and even the same photo saved in different formats.

How to Find Duplicates

  1. Open the Photos app
  2. Tap Albums at the bottom
  3. Scroll down to the Utilities section
  4. Tap Duplicates

The Duplicates album loads. If you have not used it before, iOS may take a few minutes to scan your library. The number at the top shows how many duplicate sets were found.

How Merging Works

When you tap Merge on a group of duplicates, iOS does several things:

  • Picks the highest quality version (best resolution, no compression)
  • Combines metadata from all versions (keeps oldest date, all locations, all keywords)
  • Preserves all album memberships (the merged photo appears in every album any duplicate was in)
  • Moves the other versions to Recently Deleted

The result: one photo with the best version of all the data. No information is lost.

Merge Individual Groups

To review duplicates one at a time:

  1. Open the Duplicates album
  2. Tap a group to see the photos side by side
  3. Verify they really are duplicates (occasionally iOS marks similar shots as duplicates)
  4. Tap Merge in the bottom right

Merge All at Once

For maximum speed, merge everything in bulk:

  1. Open the Duplicates album
  2. Tap Select in the top right
  3. Tap Select All in the top left
  4. Tap Merge at the bottom
  5. Confirm

iOS processes all duplicates in seconds. For libraries with thousands of duplicates, this is the fastest cleanup of any kind.

Heads up: Bulk merge is mostly safe but occasionally combines two similar (not identical) photos. If you have important burst sequences or near-duplicate photos that you want to keep separately, review individually instead.

Empty Recently Deleted

After merging, the duplicates move to Recently Deleted. They still take storage for 30 days unless you manually clear them. Open Albums > Recently Deleted > Select > Delete All to immediately reclaim the space.

What iOS Considers a Duplicate

The detection is conservative. iOS marks photos as duplicates if:

  • The image data is identical (same file)
  • The file is the same image saved in different formats (HEIC and JPEG)
  • The same photo was edited and saved as a copy
  • A photo was imported from multiple sources (e.g., iCloud and AirDrop)

iOS does not mark photos as duplicates if they are simply similar but different shots (e.g., burst sequences). For those, use a third-party tool or review manually.

Why Duplicates Happen

You probably have duplicates from common scenarios:

  • Saving a photo someone sent in a message
  • AirDropping a photo from another device
  • Importing from a Mac that had the photos already
  • Editing a photo and saving as a copy
  • A failed iCloud sync that uploaded twice

The Easier Path for Big Libraries

If you have tens of thousands of duplicates and Apple's tool feels overwhelming, use Swype Photo Cleaner. Swiping through your library quickly identifies and removes duplicates of all kinds, including near-duplicates that Apple's algorithm misses.

The Bottom Line

Apple's automatic duplicate finder is one of the most useful tools added to iOS in years. It frees real storage with one tap. Run it monthly as part of your maintenance routine.

Frequently Asked Questions

Where is the Duplicates album on iPhone?

Photos > Albums > Utilities > Duplicates. Available in iOS 16 and later. If you do not see it, your iOS version may be older or the library scan is still in progress.

Will merging duplicates lose any data?

No. Merging combines metadata from all versions and keeps the highest quality file. All album memberships, keywords, dates, and locations are preserved on the merged photo.

How does iOS know which photos are duplicates?

iOS compares image data, file checksums, and metadata. It marks photos as duplicates only when they are confidently the same image. Burst sequences and similar shots are not marked as duplicates.

Do I need to empty Recently Deleted after merging?

Yes, to immediately reclaim storage. The merged-out photos linger in Recently Deleted for 30 days otherwise. Empty it manually for instant space recovery.

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