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Head-to-head · Disk Defragmentation Software

UltimateDefrag 6 vs Puran Defrag

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score UltimateDefrag 6 #6 in Disk Defragmentation Software 8.2/10 Paid ✓ 3 of 3 features Visit UltimateDefrag
Puran Defrag #7 in Disk Defragmentation Software 8.0/10 Free plan Free plan✓ 3 of 3 features Visit Puran Software

UltimateDefrag 6 leads on 0 checks, Puran Defrag on 1, and 3 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 scoreUltimateDefrag 6 · 8.2/10
  • Free planonly Puran Defrag

UltimateDefrag 6 scores higher on our rubric for disk defragmentation software: 8.2 against 8.0 out of 10; our editors rank them #6 and #7.

Puran Defrag offers free plan; UltimateDefrag 6 doesn't. On drive types, UltimateDefrag 6 gives you Both where Puran Defrag offers Hdd. On filesystem support, UltimateDefrag 6 gives you Multi-filesystem where Puran Defrag offers Ntfs.

UltimateDefrag 6 is the better fit for strategic FAT32 and NTFS optimization. Puran Defrag is the better fit for free users wanting scheduled HDD optimization.

  • UltimateDefrag 6 fits best

    Strategic FAT32 and NTFS optimization

  • Puran Defrag fits best

    Free users wanting scheduled HDD optimization

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Side by side

Feature UltimateDefrag 6 8.2/10 Visit ↗ Puran Defrag 8.0/10 Visit ↗
At a glance
Editor score 8.2 8.0
Ranking #6 in Disk Defragmentation Software #7 in Disk Defragmentation Software
Best for Strategic FAT32 and NTFS optimization Free users wanting scheduled HDD optimization
Pricing model Paid Free
Starting price $29.95 one-time Free
Free plan — ✓ (best)
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Built for Solo, Small business Solo, Small business
Features UltimateDefrag 6 3/3 · Puran Defrag 3/3
Scheduled optimization ✓ ✓
Automatic optimization ✓ ✓
Boot-time optimization ✓ ✓
Specs
Drive types Both Hdd
Filesystem support Multi-filesystem Ntfs
Maximum drive count Not checked yet Not checked yet
Our review
Pros
  • Supports FAT32, NTFS, HDD, SSD, external, and RAID configurations
  • Combines scheduling, automation, boot-time placement, and file-level jobs
  • Includes simulation mode, command-line directory defragmentation, and three-PC licensing
  • Free plan includes automatic and scheduled defragmentation
  • PIOZR combines optimization, directory consolidation, and space freeing
  • Supports boot-time, low-priority, individual item, GUI, and command-line operations
Cons
  • Windows-only software with no listed support for other platforms
  • The regular license price is a $29.95 one-time purchase
  • The trial operates only in simulation mode and makes no drive changes
  • Windows only
  • Documented drive support is limited to HDD
  • NTFS is the explicitly identified filesystem support
Our verdict

UltimateDefrag 6 is Windows desktop software for defragmenting and optimizing hard drives and SSDs. It is aimed at users who want more control than a basic drive-maintenance utility, particularly when working with FAT32 or NTFS volumes and…

Read the review →

Puran Defrag is a free Windows utility for consolidating fragmented files and optimizing HDD storage. It suits users who want automatic or scheduled maintenance, boot-time handling of system files, or more targeted control over individual…

Read the review →
  1. UltimateDefrag 6Disk Defragmentation Software 8.2Paid
  2. Puran DefragDisk Defragmentation Software 8.0Free plan

Strengths and trade-offs

  • UltimateDefrag 6 — where it wins

    • Supports FAT32, NTFS, HDD, SSD, external, and RAID configurations
    • Combines scheduling, automation, boot-time placement, and file-level jobs
    • Includes simulation mode, command-line directory defragmentation, and three-PC licensing

    Where it doesn't

    • Windows-only software with no listed support for other platforms
    • The regular license price is a $29.95 one-time purchase
    • The trial operates only in simulation mode and makes no drive changes

  • Puran Defrag — where it wins

    • Free plan includes automatic and scheduled defragmentation
    • PIOZR combines optimization, directory consolidation, and space freeing
    • Supports boot-time, low-priority, individual item, GUI, and command-line operations

    Where it doesn't

    • Windows only
    • Documented drive support is limited to HDD
    • NTFS is the explicitly identified filesystem support

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