Nektony Duplicate File Finder Review & Best Alternative App

You may have a large number of duplicate files cluttering your computer and are looking for a reliable duplicate file finder. Nektony Duplicate File Finder is one option worth considering. What types of duplicate files can it find? What features does it offer? Is it safe to use? And what is the best alternative? In this review, I will answer all of these questions.

 Cisdem Duplicate Finder

Best Nektony Duplicate File Finder Alternative App

• Identify duplicate images, videos, audio files, documents and all other duplicate files
• Identify similar images too
• Find duplicate files on Mac, Windows, external hard drive, SD card, etc.
• Find duplicate files within and across folders/Photos app
• Display the found duplicate files for you to view, sort and preview
• Automatically select all but one file for deletion in each set of duplicate files
• Let you select manually
• Also offer 8 preset rules (e.g. Select Newest) to help you mass select

• Easy and safe to use

Free Download Windows 11/10/8/7 Free Download macOS 10.11 or later GET IT ON Google Play Download on the App Store

Part 1. Nektony Duplicate File Finder review

1. What types of duplicate files can Nektony Duplicate File Finder find?

Nektony Duplicate File Finder can find almost all popular types of duplicate files on your Mac, including:

Duplicate pictures (JPG, PNG, HEIC),

Duplicate movies (MP4, MOV, MKV),

Duplicate music(MP3, WAV, AAC),

Duplicate documents (PDF, DOCX, XLSX),

Duplicate archives (RAR, ZIP),

......

Additionally, it supports scanning for similar photos, audio, and folders, which can also help you clean up a lot of useless files.

2. Nektony Duplicate File Finder features

Nektony Duplicate File Finder offers a range of useful features to help Mac users find duplicate files with ease:

• Find both exact duplicate files and similar files on Mac.
• It also supports scanning duplicate files in iTunes, Photos app.
• Identify duplicates based on file content, not just file names.
• Let you add multiple folders to scan and and compare.
• Let you exclude specific file types, folders, and file sizes from the scan
• Let you preview the details of detected duplicates before deleting them.
• It offers many auto select rules for you to choose from.
• It moves duplicates to the Trash so you can easily recover files that are accidentally deleted.

3. Limitations of Nektony Duplicate File Finder

While Nektony Duplicate File Finder does well in some aspects, it also comes with some limitations that you should be aware of:

• This program is only compatible with Mac. Windows users can try its alternative app.
• Some features are unnecessary for basic users and make the interface a bit cluttered.
• Many advanced features are only available in the Pro version.

4. Is Nektony Duplicate File Finder safe?

Yes, Nektony Duplicate File Finder is safe. Nektony LLC is a software development company that is specialized in Mac applications. Nektony Duplicate File Finder is developed by it. Make sure to download this program from the Mac App Store rather than some third-party app downloading websites. In addition, their development team will regularly release updates to fix security vulnerabilities. The latest version of Nektony Duplicate File Finder is 8.4.1, which was released on Mar 15, 2025.

5. Is Nektony Duplicate File Finder free?

Nektony Duplicate File Finder offers both free version and pro version for users to choose from. The free version can meet the basic needs of some users. The pro version provides more advanced features such as merge folders, restore removed duplicates. It costs $14.95 per year.

6. How to use Nektony Duplicate File Finder to find duplicate files on Mac?

Detailed steps on how to find duplicates on Mac using this duplicate file finder:

Step 1. Download this program from the Mac App Store. Install it on your Mac.

Step 2. Open it. Click the plus button. Select the folders or drives that you want to scan for duplicate files. Also you can select multiple folders or drives at once.

Step 3. Click “Find duplicates” in the bottom right corner to start scanning. The process may take only a few seconds, or a few minutes, or longer, which is depended by the number and size of files being scanned. So it’s not recommended to scan the entire drive.

Step 4. Wait for the scan to complete. Then you’ll see a list of detected duplicate files on your Mac.

Step 5. You can manually choose unwanted duplicate files. Click “Review to Remove” button in the bottom right corner.

You can also click the “Auto Select” button in the upper right corner. It’ll automatically mark duplicates for deletion based on the rules.

Step 6. Click “Remove” to delete the selected duplicates. Close the window.

Part 2. The best alternative to Nektony Duplicate File Finder - Cisdem Duplicate Finder

Overall, I think Nektony Duplicate File Finder is a good duplicate file finder. It can meet the needs of most users. However, some users may find it a bit cumbersome to use, or may be unsatisfied with its scanning accuracy especially when dealing with similar images on Mac. In this case, Cisdem Duplicate Finder is its best alternative.

With advanced algorithms, Cisdem Duplicate Finder identifies duplicate files based on file content, regardless of their file names. Most types of duplicate files can be detected by it, such as images, videos, audio files, archives, documents, folders, and more. By default, it also scans for similar images to free up more space on your Mac. You can adjust the similarity threshold in the settings.

This duplicate file finder support finding duplicate files on Macs, Windows PCs, external hard drives, SD cards, cloud drives, and more.

2. How to use Cisdem Duplicate Finder to find duplicate files on computer?

Cisdem Duplicate Finder has an intuitive interface. Compared to Nektony Duplicate File Finder, I think it is easier to use. Here are steps to find duplicate files on computer using it:

Step 1. Download and install Cisdem Duplicate Finder on your Mac or Windows computer.

Free Download macOS 10.11 or later Free Download Windows 11/10/8/7

Step 2. Open it. Drag and drop one or multiple folders/drives into this program.

It allows you to scan for duplicates across your Photos library and Mac folders.

Click “Scan”.

Step 3. The scan results window will pop up soon. You can view and compare all detected duplicate files.

In each group of duplicate files, it has already select all but one file for you to delete. You can select or deselect files manually.

Or use the selection rules.

Step 4. Click “Delete” to remove the selected duplicate files.

Summary

With a professional duplicate file finder, you can clean up all duplicate files on your computer with ease. This Nektony Duplicate File Finder review covers the main features of this duplicate file finder, some of its limitations you might not like, its security, pricing, and tutorials. In addition, there is a Nektony Duplicate File Finder alternative app that performs equally well in finding duplicate files and is more suitable for less technically savvy users.