O&O Defrag vs Auslogics Disk Defrag

O&O Defrag8.8Visit Auslogics Disk Defrag8.4Visit

Higher score O&O Defrag #3 in Disk Defragmentation Software 8.8/10 30-day trial Free trial✓ 3 of 3 features Visit O&O Defrag

vs

Auslogics Disk Defrag #5 in Disk Defragmentation Software 8.4/10 Free plan Free plan✓ 3 of 3 features Visit Auslogics

• O&O Defrag fits best

  Paid Windows optimization with health checks

• Auslogics Disk Defrag fits best

  Free HDD defragmentation with advanced controls

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Side by side

Feature	O&O Defrag 8.8/10 Visit ↗	Auslogics Disk Defrag 8.4/10 Visit ↗
At a glance
Editor score	8.8	8.4
Ranking	#3 in Disk Defragmentation Software	#5 in Disk Defragmentation Software
Best for	Paid Windows optimization with health checks	Free HDD defragmentation with advanced controls
Pricing model	Paid	Free plan + paid
Starting price	$49.95/device one-time	—
Free plan	—	✓ (best)
Free trial	30 days	—
Money-back guarantee	30 days	30 days
Deployment	Desktop	Desktop
Platforms	Windows	Windows
Support	Email, Phone, Docs	Email, Tickets, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business
Features O&O Defrag 3/3 · Auslogics Disk 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 HDD defragmentation plus SSD and NVMe optimization Includes scheduling, background automation, and boot-time jobs Adds health monitoring, benchmarking, repair, and disk cleanup	Free edition includes disk analysis and basic defragmentation Supports scheduled, boot-time, file-level, and free-space optimization Offers portable operation and command-line support
Cons	Windows-only software No free plan Professional Edition covers one PC	Windows-only availability limits cross-platform use Designed for HDDs rather than SSD defragmentation Advanced optimization and repair features are in Pro
Our verdict	O&O Defrag is Windows software for analyzing and optimizing storage drives. Professional Edition is aimed at home users and individual workstations, covering traditional hard disks alongside SSD and NVMe storage. Its scope extends beyond… Read the review →	Auslogics Disk Defrag is a Windows utility for analyzing, defragmenting, and optimizing hard disk drives. It is aimed at users who want more control than basic manual defragmentation, including scheduled jobs, free-space consolidation,… Read the review →

Strengths and trade-offs

• O&O Defrag — where it wins

  • Supports HDD defragmentation plus SSD and NVMe optimization
  • Includes scheduling, background automation, and boot-time jobs
  • Adds health monitoring, benchmarking, repair, and disk cleanup

  Where it doesn't

  • Windows-only software
  • No free plan
  • Professional Edition covers one PC

• Auslogics Disk Defrag — where it wins

  • Free edition includes disk analysis and basic defragmentation
  • Supports scheduled, boot-time, file-level, and free-space optimization
  • Offers portable operation and command-line support

  Where it doesn't

  • Windows-only availability limits cross-platform use
  • Designed for HDDs rather than SSD defragmentation
  • Advanced optimization and repair features are in Pro

• O&O Defrag8.8/10 · 30-day trial

  A paid Windows optimizer combining drive maintenance, monitoring, and automation.

  Visit O&O DefragFull verdict →
• Auslogics Disk Defrag8.4/10 · Free plan

  A Windows HDD defragmenter with analysis, scheduling, and boot-time tools.

  Visit AuslogicsFull verdict →