Review: Auslogics Disk Defrag utility

Auslogics Disk Defrag combines useful features, scheduling, automatic defragmentation, and ease of use in a lightweight package.

There are a lot of disk defragmentation tools available on the market. Auslogics Disk Defrag combines useful features, scheduling, automatic defragmentation, and ease of use in a lightweight package that is free for home users.

Note: This review was performed with a business edition that the author paid for personally.


  • Cost: Free for home use, $19.95 for business use, with significant volume discounts available
  • Hardware requirements: 50MB disk space, 32MB RAM
  • Operating system requirements: XP, Vista, 2008, 7
  • Additional information: Product Web site
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Who's it for?

Disk defragmentation tools are needed by all users, but some will need them more than others. People who frequently add large files, or delete a lot of files (like people who install and uninstall a lot of applications, or download many media files) will need better tools and more frequent defragmentation than others. Gamers, enthusiasts, and other performance sensitive users will also want better defrag tools.

What problems does it solve?

The standard Windows defrag tool is extremely basic and does not perform all of the optimizations that other tools do. While this may be enough for some users, Auslogics Disk Defrag has many more useful features, without being overwhelming to the user.

Standout Features

  • Defrag Options: Auslogics Disk Defrag can defrag individual files, folders, and even consolidate free space. In addition, you can specify "auto defrag" to occur whenever the system is idle. It can even defrag more than one disk at a time.
  • Ease of Use: Despite having a good set of features for a defrag tool, the UI is easy to use and uncluttered.
  • Lightweight, performance: The application is small, runs fast, and analyzes and defrags quickly.
  • Cost: Auslogics Disk Defrag is free for home users, and very inexpensive for business users ($19.95 for individual licenses, and as low as $12.95 for large volume orders).
  • USB Version: Disk Defrag Portable, a non-install version that can be run directly from portable media. It is a separate download for home users and business users also get a license with their paid license for Disk Defrag.

What's wrong?

None: This reviewer did not find anything to not like.

Competitive Products

Window Defrag

Bottom line for business

A few months ago, we ran a number of Product Spotlight pieces on disk defrag tools, and one consistency is that for each article we published, many readers kept talking about Auslogics Disk Defrag. It is really unusual to see that many people saying such nice things about a product, so we decided to give it a look, and the praise is justified!

Not only does Auslogics Disk Defrag work as expected, it works better than expected. For example, on my test system, Windows Disk Defragment said that my C: drive was 2% fragmented; Auslogics Disk Defrag showed that it was actually 10% defragmented. I have looked at almost every disk defrag tool on the market, and unless I am forgetting something, Disk Defrag has every single feature that I have found in every other tool. Combined with its low price (again, free for home users, and from $19.95 - $12.95 for business use, depending on volume), that is an outstanding value.

Everything about this application is easy and obvious. The options make sense, and are well explained for people who are not as savvy about disk defrag as a PC technician would be. It takes about a minute to run through all of the dialogs, options, and features and become acquainted with them. Even ordering the software is easy, as there is no registration or licensing to do. There is absolutely nothing bad to be said for this application.

User rating

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