iDefrag for Mac

iDefrag for Mac

Editors' Rating:
Average User Rating:
out of 90 votes
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Quick Specs

File Size:
Date Added:
November 16, 2013
Free to try; $29.95 to buy
Operating Systems:
Mac OS X 10.6/10.7/10.8/10.9
Total Downloads:
Downloads Last Week:
Product ranking:
Additional Requirements:
Not available

Editors' review

Powerful and flexible, iDefrag for Mac helps you get the most out of your hard drives by featuring five separate defragmentation algorithms for different levels of fragmentation, each designed to minimize the risk of data loss. It's a potent app, but to enjoy its features you have to invest in the premium version; the trial edition comes with big limitations.

After a speedy installation, iDefrag for Mac informs you that the demo version allows you to tweak settings -- but not to defragment your hard drive. You begin by selecting the disk to be analyzed and, once you provide the administrator password, the analysis starts. The duration of the disk analysis varies greatly depending on the size of the drive and its speed, but in our tests we were able to complete an analysis of a 150GB hard drive in approximately 70 seconds. When it comes to the defragmentation, itself, you can choose between five algorithms, which increase in complexity and thus completion time. All of them provide better performance afterward. A nice touch is the option to receive an e-mail notification once the defragmentation is finished.

If you want to get the best out of your hard drives, you will appreciate iDefrag for Mac. While it does come with a price tag, its powerful algorithms and pleasant interface make it worthwhile. This is definitely one of the better hard disk management tools currently available for Mac OS X.

Editors' note: This is a review of the trial version of iDefrag for Mac 2.2.6.

Publisher's Description

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All User Reviews
  • All Versions:


    out of 90 votes

    • 5 star: 48
    • 4 star: 21
    • 3 star: 9
    • 2 star: 2
    • 1 star: 10
  • Current Version:


    out of 2 votes

    • 5 star: 0
    • 4 star: 1
    • 3 star: 0
    • 2 star: 0
    • 1 star: 1
  • My rating:

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    Results 1-2 of 2

  • 4 stars

    "Have Always Loved It: But Had a Scary DeFrag Session..."

    February 18, 2014   |   By NotElegantlyStated

    Version: iDefrag 2.2.6


    Have used it for years over several versions and it has always seemed to work as advertised and has allowed me to keep my older systems continuing to run with better speed. Easy to use. Simple interface


    After years of using it successfully I ran an iDefrag session on my startup drive (after checking/repairing with Disk Utility, etc.) and for some reason it rendered my drive un mountable. And with a problem that Disk Utility couldn't see as a problem nor repair. Luckily I had a fairly recent backup, but had just added some content that I didn't want to lose.

    To the developers great credit, he did try to walk me through many many complex command line and other steps to troubleshoot and/or fix what seemed to be a directory error perhaps introduced by iDefrag. I went through many of these steps unsuccessfully and eventually had to wipe the hard drive anyway and go back to my month old backup. It was a lot of work just to have to bail on it, and it shook my confidence in the software, but as I said, the developer really tried to help me out.

    Creating Bootable DVDs to optimize a startup disk has been dicey. Many times the process fails, but not due to a DVD media write error.


    I think it's a pretty great program. I had settled on it (and as is often the case for me) then just worked with it as my tool of choice, not being the type to keep searching for that even better tool. After my scare with the HD not mounting I wondered if there might be a more popular app for this and am still open to suggestions. But it seems to do what it says.

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  • 1 stars

    "Not allowed to read my own HD"

    December 29, 2013   |   By marikavs

    Version: iDefrag 2.2.6


    Don't know


    Not allowed to read my own HD


    I wanted to see if my HD with OS X 10.6.8 (Snow Leopard) on my old laptop (late 2008; 15" MacBook Pro) needed to be defragmented after it's become slow lately, but the iDefrag demo doesn't let me read my own HD. In my book, that's a FAIL.

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  • Results 1-2 of 2

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