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Smart DefragUltraDefrag
Free

Offered by IObit as a free download.

 Paid

Current versions are sold to registered users.

Windows Windows
  • Defragments hard drives and optimizes SSDs
  • Targets boot time as well as general disk layout
  • Portable edition available
  • Defragments individual files and folders
  • Windows only
  • Closed source
  • Windows only
  • Current versions are commercial
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Works offline Works offline

Checked October 1, 2026

Checked September 24, 2026

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