Duplicate finder • iPhone, iPad, Mac & Vision Pro

CleanTwin Smart Duplicate Finder

Reclaim gigabytes in minutes. CleanTwin uses on-device AI and lightning-fast hashing to find exact and near-identical photos, videos, and files - then helps you remove them safely.

Works on internal drives, external disks, and your photo library. Built for iPhone, iPad, Mac, and Vision Pro - your files never leave your device.

Download on the App Store
iPhone, iPad, Mac & Vision Pro AI similarity On-device Multi-threaded scan
CleanTwin app icon
1000+
Files scanned / second
AI
Vision similarity matching
On-device
No cloud, no tracking
Native
iPhone, iPad, Mac & Vision Pro

Everything You Need to Free Up Space

CleanTwin pairs ultra-fast byte-perfect hashing with AI image similarity, so you catch the duplicates a human eye would never spot.

Lightning-Fast Hash Scan

Multi-threaded engine analyses 1000+ files per second on internal drives, external disks, and the Photos library.

AI Similarity Detection

Vision-powered analysis groups near-identical photos and videos - bursts, edits, exports, and re-saved screenshots.

Smart Auto-Select

Keeps the best original (highest resolution, newest, RAW vs JPEG) and marks safe duplicates for removal in one tap.

Storage Insights

Live dashboard shows how much space duplicates waste and how much you reclaim after each clean.

External Drives & NAS

Scan any mounted volume on Mac - external SSDs, USB sticks, SMB/NAS shares - and dedupe across them.

Photos Library-Aware

Works hand-in-hand with Apple Photos on iPhone, iPad, Mac, and Vision Pro - safely removes duplicates without breaking albums.

Safe Cleanup

Move duplicates to Trash or a backup folder - nothing is deleted permanently until you say so.

100% On-Device

Hashes and AI analysis run locally. Your photos, files, and metadata never leave your device.

Bulk Actions

Sort groups by size, count, or date - select hundreds of duplicates at once and free real gigabytes instantly.

How CleanTwin Works

Three simple steps - everything runs on your device, no setup, no accounts.

1. Scan

Point CleanTwin at a folder, drive, or your Photos library. The multi-threaded engine computes byte-perfect hashes locally - your data never leaves your device.

2. Review

AI groups identical and visually similar files side-by-side. Preview every match, see resolution and date, and pick what to keep with one tap.

3. Clean

Send selected duplicates to Trash (or a backup folder on Mac). Watch the storage gauge climb back up as gigabytes return to you.

iPhone Screens

A clean, one-handed flow: scan, group, preview side-by-side, and clean - all in the Photos-style UI you already know.

iPad Screens

A bigger canvas for side-by-side comparison and bulk selection - great for cleaning a whole iCloud library in one sitting.

Mac Screens

Full-window dashboard, drag-and-drop folders, external-drive scanning, and bulk auto-select on macOS.

Built for iPhone, iPad, Mac & Vision Pro

A native experience on every Apple device, accelerated by the Neural Engine and Apple Vision framework.

iPhone

iOS 16.0 or later

iPad

iPadOS 16.0 or later

Mac

macOS 12.0 or later

Apple Vision Pro

visionOS 1.0 or later

Perfect For

  • Photographers and creators with years of bursts, edits, and re-imports cluttering iCloud Photos.
  • Mac power users running low on disk space because of duplicate downloads, backups, and exports.
  • Anyone with multiple external drives or a NAS where the same files have piled up over time.
  • Parents and families sharing a photo library full of near-identical kid pics.
  • Privacy-minded users who refuse to upload their photo library to a third-party "cleaner" service.

What Makes It Different

  • Real AI similarity: Vision-based image fingerprints, not just byte hashes.
  • 100% on-device: nothing uploaded, nothing tracked - your library stays yours.
  • Native on every Apple device: iPhone, iPad, Mac, and Vision Pro, not a stretched build.
  • Smart auto-select: keeps the highest-quality original so you never delete the wrong one.
  • Safe by design: nothing is permanently removed until you confirm.
Testimonials

Some thoughts from our users

Trusted by Apple owners everywhere. See why CleanTwin users reclaim gigabytes of space and keep their libraries perfectly organised.
Dylan Carter

Dylan Carter

@dylanclean

CleanTwin freed 25 GB on my MacBook in under ten minutes. I can finally stop hunting for space!

James Brooks

James Brooks

@jbrooks_focus

I plugged in two external drives and CleanTwin merged everything without me lifting a finger. Brilliant.

Riya Mehta

Riya Mehta

@riyafiles

CleanTwin scanned my external drive and gave me back 120 GB of wasted space. Worth every cent.

0+

%

of the average user's storage may contain duplicates.

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Users

Rely on our tools to free up space and organize what matters.

0/7

Support

Help when you need it - for all users, all plans.

Get CleanTwin

Download CleanTwin and reclaim the gigabytes that duplicates have been quietly stealing from your iPhone, iPad, Mac, and Vision Pro.

Download on the App Store

Frequently asked questions

Will CleanTwin delete files without asking?

No. It groups what it finds and you choose what to remove. It is also Photos library-aware and refuses to touch system files and running applications, so the destructive mistakes people fear are ruled out rather than warned about.

How does it find duplicates that have different filenames?

Two passes. A fast content hash catches byte-identical copies regardless of name, and AI similarity detection catches near-identical ones - burst shots, resized re-saves and re-compressed exports that a filename or size comparison misses.

Can it scan an external drive or a NAS?

Yes, alongside internal drives and the Photos library. That is usually where the largest duplicate sets have quietly accumulated.

Are my files uploaded anywhere?

No. Scanning and hashing run entirely on the device, on iPhone, iPad, Mac and Vision Pro. Nothing about your files leaves the machine.