How To Erase Duplicate Photos On iPhone | The Merge Method

Apple’s built-in Duplicates tool in Photos merges identical images, keeping the best version and moving extras to Recently Deleted.

A photo library full of duplicate shots eats up storage faster than most people realize. If you need to know how to erase duplicate photos on iPhone, Apple’s built-in Duplicates tool in the Photos app handles the job for images the system identifies as matching. The feature arrived with iOS 16 and does more than just delete — it keeps the highest-quality copy and combines related data like captions and favorites, so nothing useful gets lost.

Where To Find The Duplicates Feature On iPhone

The Duplicates section lives inside the Photos app, but it only appears when the system has actually detected matching images in your library. Apple does not show an empty Duplicates album — if you do not see it, there are no duplicates flagged yet.

• Open Photos on your iPhone.
• Tap Collections in the bottom menu.
• Scroll to Utilities and tap it.
• Tap Duplicates — the number next to it shows how many duplicate sets were found.

The Duplicates view groups matching photos and videos into stacks so you can review them before taking action. Each stack shows a count of how many copies exist.

How To Merge Duplicate Photos Step By Step

Merging is the recommended action because it consolidates everything useful into one photo and discards the rest. Manual deletion risks losing the best-quality copy or leaving metadata behind.

1. In the Duplicates view, tap a stack to expand it and preview the matching items.
2. Tap Merge on the stack you want to clean up. A confirmation prompt appears.
3. Tap Merge [number] Items to confirm. The extras move to Recently Deleted automatically.
4. To process multiple stacks at once, tap Select in the top-right corner, choose the sets you want to merge, then tap Merge at the bottom.

After merging, the stack disappears from the Duplicates view, and the remaining photo stays in your main library with all its metadata intact.

What Happens When You Tap Merge?

Understanding what Merge actually does helps you trust the process instead of second-guessing it. The table below breaks down the key differences between merging and deleting manually.

After merging, the extra copies sit in Recently Deleted for 30 days. If you want the storage back immediately, open Recently Deleted, tap Select, choose the merged items, and tap Delete All.

Erasing Duplicate Photos On iPhone: When The Built-In Tool Is Enough

Apple’s Duplicates feature handles exact matches and near-matches that the system can identify — images that share the same content even if resolution, format, or edit history differs slightly. The support guidance explicitly notes that photos appearing similar but differing in resolution or file format can still be grouped for merging.

However, the tool has a clear limit: it only surfaces what Photos itself recognizes. If your library contains dozens of similar shots of the same scene — like five near-identical sunset photos taken in burst mode — the system may not flag them as duplicates. For that situation, the built-in tool alone is not enough.

Apple’s official walkthrough covers the entire merge workflow. Apple’s guide to merging duplicate photos and videos includes details on how merged data is handled and what happens to the extras.

What If Photos Are Similar, Not Identical?

When Apple’s Duplicates view shows nothing but you know there are near-duplicate images in your library, the options are manual review or a third-party app. Manual review works but takes time — you flip through your library, compare shots, and delete the ones you do not need.

Third-party tools like Clever Cleaner, Gemini Photos, or Duplicate Photos Fixer can scan for similar images based on visual resemblance rather than exact matching. These apps typically require access to your photo library and may offer free scans with paid upgrades to complete the cleanup. They are not Apple-supported, so the trade-off is convenience against privacy and ongoing cost. One plain sentence covers that trade: these apps find similar images the system misses, but they require full library access and often charge for bulk removal.

Built-In Tool vs. Third-Party Approach

The choice between Apple’s official method and a third-party app depends on what kind of clutter your library has. The table below compares both routes.

Start with the built-in tool since it costs nothing and requires no extra setup. Only bring in a third-party app when the Duplicates view stays empty and you know similar photos are eating storage.

Erase Duplicate Photos On iPhone: The Order That Works

Here is the sequence that covers both scenarios without wasting time.

1. Open Photos > Collections > Utilities > Duplicates and merge every stack shown there.
2. Empty Recently Deleted to reclaim the storage immediately.
3. Scroll through your library and check whether similar-but-not-identical shots remain. If the clutter is minor, delete them manually.
4. If the library is large and filled with near-duplicate shots you want to batch-clean, consider a third-party app that specializes in visual similarity scanning.

Apple’s built-in feature handles the bulk of duplicate cleanup without any risk of losing the best version. For the edge cases it cannot reach, the third-party route fills the gap.