UltraDefrag
UltraDefrag: A Windows-focused optimizer with automation, boot-time jobs, CLI access, and portable tools. Ranked #4 of 20 in Disk Defragmentation Software by our editors (8.6/10); pricing: Paid; best for windows users needing portable and CLI tools.
At a glance
- Editor score8.6 / 10
- PricingPaid
- Best forWindows users needing portable and CLI tools
- Free planNo
- Drive typesBoth
- Founded2007 · San Jose, California, USA
- Facts checked20 Sep 2026
Where it wins
- Supports HDDs and SSDs, including TRIM for SSDs
- Offers scheduled, idle, boot-time, file-level, and CLI operations
- Includes portable tools and SMART disk health monitoring
Where it doesn't
- Paid software with no free plan
- Windows-only platform support
- Standard licensing covers up to 3 computers
Our verdict on UltraDefrag
UltraDefrag is disk defragmentation and optimization software for Windows computers and Windows Server systems. It is suited to users who need more control than basic drive maintenance provides, including scheduled or idle automation, boot-time processing of locked system files, individual file and folder defragmentation, and command-line operation. A portable edition supports use without a conventional installation workflow.
The paid lineup has two editions. Standard includes all features, 24/7 technical support, free maintenance updates, and a lifetime license for use on up to 3 computers. Enterprise includes the same feature set, support, and maintenance updates, but its lifetime license covers an unlimited number of computers. This structure makes Standard appropriate for an individual or small setup, while Enterprise is aimed at broader computer deployments.
Its feature coverage extends beyond traditional defragmentation. UltraDefrag supports NTFS, FAT, exFAT, and ReFS file systems; handles HDDs and SSDs with TRIM for SSDs; and includes temporary-file and Windows update cleanup. SMART disk health monitoring adds a drive-status function, while automatic operation reduces the need for repeated manual jobs. The main boundary is its Windows-only focus and paid model, so users seeking a free or cross-platform defragmentation tool should choose an alternative. Windows users who value portable and command-line editions, granular file handling, and scheduled or boot-time processing should consider UltraDefrag.
Your product? Our editors can test UltraDefrag in depth and publish a review, labelled as paid · from $149/mo →
UltraDefrag pricing
All 2 UltraDefrag plans and prices →
UltraDefrag fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Drive types | Both |
| Scheduled optimization | Yes |
| Automatic optimization | Yes |
| Boot-time optimization | Yes |
| Filesystem support | Multi-filesystem |
| Maximum drive count | Not verified |
| Deployment | Desktop |
| Platforms | Windows |
| Support | Email, Docs · 24/7 |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Paid (source) |
| Website | ultradefrag.net |
| Facts checked | 20 Sep 2026 |
Alternatives to UltraDefrag
- IObit Smart DefragA Windows-focused optimizer with free defragmentation and paid automation features.9.4
- Disk SpeedUpA free Windows tool for HDD and SSD analysis, defragmentation, and optimization.9.2
- O&O DefragA paid Windows optimizer combining drive maintenance, monitoring, and automation.8.8
See all UltraDefrag alternatives →
UltraDefrag vs the competition
- UltraDefrag vs IObit Smart Defrag
- UltraDefrag vs Disk SpeedUp
- UltraDefrag vs O&O Defrag
- UltraDefrag vs Auslogics Disk Defrag
- UltraDefrag vs UltimateDefrag 6
- UltraDefrag vs Puran Defrag
Compare UltraDefrag with any tool side by side →
Used UltraDefrag? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used UltraDefrag for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
UltraDefrag is listed in our Disk Defragmentation Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/ultradefrag/"><img src="https://www.itechguides.com/best/badge/ultradefrag.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update