Auslogics Disk Defrag vs CCleaner Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Auslogics Disk Defrag

0.0 (0 reviews)

Auslogics Disk Defrag Ultimate is a professional-grade optimization tool that speeds up your PC by defragmenting files, consolidating free space, and optimizing file placement on your hard drives.

Starting at Free
Free Trial 30 days
VS

CCleaner

0.0 (0 reviews)

CCleaner is a utility software designed to clean potentially unwanted files and invalid Windows Registry entries from a computer to improve system performance and protect your online privacy.

Starting at Free
Free Trial 14 days

Quick Comparison

Feature Auslogics Disk Defrag CCleaner
Website auslogics.com piriform.com
Pricing Model Subscription Freemium
Starting Price Free Free
FREE Trial ✓ 30 days free trial ✓ 14 days free trial
Free Plan ✘ No free plan ✓ Has free plan
Product Demo ✘ No product demo ✘ No product demo
Deployment desktop desktop mobile
Integrations Google Chrome Mozilla Firefox Microsoft Edge Opera Windows Registry
Target Users solopreneur small-business solopreneur small-business mid-market
Target Industries
Customer Count 0 0
Founded Year 2008 2004
Headquarters Sydney, Australia London, UK

Overview

A

Auslogics Disk Defrag

Auslogics Disk Defrag Ultimate gives you the tools to reclaim your PC's original speed and efficiency. Over time, your files become scattered across your hard drive, forcing your system to work harder to read them. This software reorganizes those fragments and optimizes your file system so your programs launch faster and your overall system response time improves significantly.

You can choose from multiple optimization algorithms depending on how you use your computer, whether for gaming, office work, or general browsing. It handles both HDD defragmentation and SSD optimization with specialized algorithms that reduce wear on your drives. The software runs quietly in the background, ensuring your disk stays healthy without interrupting your daily tasks or demanding manual intervention.

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CCleaner

CCleaner helps you reclaim valuable disk space and speed up your computer by removing unneeded files, tracking cookies, and junk data. Instead of manually searching for temporary files or broken shortcuts, you can run a comprehensive scan that identifies exactly what is slowing your system down. It also includes a registry cleaner that fixes fragmented settings to reduce system crashes and improve overall stability.

You can manage your startup items and browser extensions from a single interface to ensure your PC boots faster and runs more efficiently. The software is designed for home users, small businesses, and IT professionals who need to maintain peak performance across one or multiple devices. It offers a free version for basic cleaning and professional editions that include automated updates and real-time monitoring.

Overview

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Auslogics Disk Defrag Features

  • Smart Defrag Algorithms Choose from four different optimization methods to place your most-used files on the fastest tracks of your disk.
  • Offline Defragmentation Defragment system files that are normally locked by Windows, including the Registry, MFT, and paging files during boot-up.
  • SSD Optimization Extend the lifespan of your solid-state drive and maintain its speed using a specialized optimization algorithm.
  • Single File Defrag Save time by defragmenting only the specific files or folders you need instead of scanning your entire hard drive.
  • Resource Management Limit the use of system resources so the defrag process never slows down your other active applications.
  • Automatic Scheduling Set your optimization tasks to run at specific times or when your computer is idle to maintain peak performance.
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CCleaner Features

  • Health Check. Analyze your PC's performance and get recommended fixes to speed up your system and improve security automatically.
  • Driver Updater. Scan for outdated drivers and update them with one click to improve your hardware's performance and stability.
  • Software Updater. Keep your installed apps up to date automatically to close security holes and access the latest features.
  • Smart Cleaning. Set your browser and system to clean themselves automatically whenever you close them or reach a certain junk threshold.
  • Registry Cleaner. Remove cluttered and broken settings in your Windows Registry to prevent errors and keep your system running smoothly.
  • Privacy Protection. Erase your search history and tracking cookies so your online activity stays private and advertisers can't follow you.

Pricing Comparison

A

Auslogics Disk Defrag Pricing

Free Trial
$0
  • Basic disk defragmentation
  • Free space consolidation
  • Single file defrag
  • Disk error checking
  • 30-day usage limit
C

CCleaner Pricing

Free
$0
  • Privacy protection
  • Standard cleaning
  • Health Check
  • Duplicate finder
  • Startup manager

Pros & Cons

M

Auslogics Disk Defrag

Pros

  • Noticeable improvement in application load times
  • Specialized algorithms for different user profiles
  • Very low impact on system resources
  • Clear visual representation of disk clusters
  • Effective optimization for older mechanical drives

Cons

  • Subscription model requires yearly renewal
  • Interface feels slightly dated for modern users
  • Limited benefits for high-end NVMe SSDs
A

CCleaner

Pros

  • Extremely easy to use for non-technical users
  • Effective at reclaiming significant disk space quickly
  • Free version provides essential maintenance tools
  • Driver updater helps resolve hardware compatibility issues

Cons

  • Frequent pop-up notifications in the free version
  • Registry cleaner requires caution for advanced users
  • Some features overlap with built-in Windows tools
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