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Head-to-head · Disk Defragmentation Software

UltraDefrag vs DiskTuna

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score UltraDefrag #4 in Disk Defragmentation Software 8.6/10 Paid ✓ 3 of 3 features Visit UltraDefrag
DiskTuna #9 in Disk Defragmentation Software 7.6/10 Free plan Free plan✓ 2 of 3 features Visit DiskTuna

UltraDefrag leads on 1 check, DiskTuna on 1, and 2 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreUltraDefrag · 8.6/10
  • Free planonly DiskTuna
  • Most featuresUltraDefrag · 3 of 3

UltraDefrag scores higher on our rubric for disk defragmentation software: 8.6 against 7.6 out of 10; our editors rank them #4 and #9.

DiskTuna offers free plan; UltraDefrag doesn't. On drive types, UltraDefrag gives you Both where DiskTuna offers Hdd. UltraDefrag offers automatic optimization; DiskTuna doesn't.

UltraDefrag is the better fit for windows users needing portable and CLI tools. DiskTuna is the better fit for free FAT, FAT32, and NTFS optimization.

  • UltraDefrag fits best

    Windows users needing portable and CLI tools

  • DiskTuna fits best

    Free FAT, FAT32, and NTFS optimization

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.

Side by side

Feature UltraDefrag 8.6/10 Visit ↗ DiskTuna 7.6/10 Visit ↗
At a glance
Editor score 8.6 7.6
Ranking #4 in Disk Defragmentation Software #9 in Disk Defragmentation Software
Best for Windows users needing portable and CLI tools Free FAT, FAT32, and NTFS optimization
Pricing model Paid Free
Starting price — Free
Free plan — ✓ (best)
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Support Email, Docs · 24/7 Email
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features UltraDefrag 3/3 · DiskTuna 2/3
Scheduled optimization ✓ ✓
Automatic optimization ✓ (best) —
Boot-time optimization ✓ ✓
Specs
Drive types Both Hdd
Filesystem support Multi-filesystem Multi-filesystem
Maximum drive count Not checked yet Not checked yet
Our review
Pros
  • 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
  • Supports FAT, FAT32, and NTFS drives
  • Optimizes boot files, frequently used files, and the MFT
  • Offers jobs, shortcuts, VSS safe mode, and SMART temperature monitoring
Cons
  • Paid software with no free plan
  • Windows-only platform support
  • Standard licensing covers up to 3 computers
  • Windows-only platform support
  • Scheduled workflows use jobs and Windows Scheduler rather than automatic optimization
  • Its stated scope centers on hard-disk optimization
Our verdict

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,…

Read the review →

DiskTuna is a free Windows utility for on-demand disk defragmentation and optimization. It is aimed at people managing FAT, FAT32, or NTFS hard disks who want control over individual optimization tasks, reusable jobs, and scheduled…

Read the review →
  1. UltraDefragDisk Defragmentation Software 8.6Paid
  2. DiskTunaDisk Defragmentation Software 7.6Free plan

Strengths and trade-offs

  • UltraDefrag — 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

  • DiskTuna — where it wins

    • Supports FAT, FAT32, and NTFS drives
    • Optimizes boot files, frequently used files, and the MFT
    • Offers jobs, shortcuts, VSS safe mode, and SMART temperature monitoring

    Where it doesn't

    • Windows-only platform support
    • Scheduled workflows use jobs and Windows Scheduler rather than automatic optimization
    • Its stated scope centers on hard-disk optimization

More comparisons

All disk defragmentation software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update