Compare software

PrivaZerAvast Cleanup
Freemium

A free edition is available. PrivaZer PRO adds features for contributors.

 Paid

Paid product with a free trial.

Windows Windows
  • Shows exactly what it will remove before doing anything
  • Optional secure overwriting of freed space
  • Junk file removal and registry cleaning in one tool
  • Targets slow boot times
  • Aggressive cleaning options can remove things you wanted to keep
  • Paid after the trial
  • Registry cleaning brings little measurable benefit on modern Windows
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
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.