Download System Optimization - Best Software & Apps

  • CCleaner

    5.43.6522

    License
    free Download
    Platform
    Windows
    Android
    Mac

    Clean your PC in real-time

    8
    22533 votes
    • PROS: Very easy to use, Junk file removal, Correcting registry errors, Advanced tools, Free space cleaner, It's free, Available for Mac and Android
    • CONS: Few configuration options
  • SlimCleaner

    4.0.30878

    License
    free Download
    Platform
    Windows

    Community-supported PC cleaning and optimization

    7
    200 votes
    • PROS: Thorough, accurate system cleaner, Based on community knowledge, Includes app uninstaller and data shredder
    • CONS: Many items don't have a rating yet, Few configuration options
  • System Mechanic

    Pro 16

    License
    buy Download
    Platform
    Windows

    An excellent set of system maintenance tools

    8
    366 votes
    • PROS: Complete set of optimization tools, Very easy to use, Nice looking interface
    • CONS: Installation can be lengthy if you have incompatible programs
  • Advanced System Optimizer

    3.1.648.8773

    License
    buy Download
    Platform
    Windows

    Clean, optimize and personalize your PC

    7
    240 votes
    • PROS: Packed with tools, Allows you to customize the look of Windows, Optimizes your PC on a number of different levels, Targets and lists problem files
    • CONS: Tweaking and optimizing take a while to complete, Can slow down PC while running in background
  • SlimComputer

    1.1.4130

    License
    free Download
    Platform
    Windows

    Optimize your computer with the help of other users

    6
    25 votes
    • PROS: Based on community knowledge, Nicely designed interface, Includes several tool for system optimization
    • CONS: Many items don't have a rating yet
  • Dr Cleaner

    3.0.3

    License
    free Download
    Platform
    Mac

    A free program for mac, by Trend Micro Inc.

    10
    14 votes
    • System Ninja

      3.1.5

      License
      free Download
      Platform
      Windows

      Clean junk files and save hard drive space

      8
      117 votes
      • PROS: Easy to use, Includes startup manager and process manager
      • CONS: Doesn't back up before deleting, Not as full-featured as other similar tools
    • Cloud System Booster

      3.5

      License
      free Download
      Platform
      Windows

      8
      38 votes
      • Rising PC Doctor

        6.0.5.45

        License
        free Download
        Platform
        Windows

        A pack of system maintenance and optimization tools

        7
        28 votes
        • PROS: Many varied tools, Nice interface design
        • CONS: Menus are not usable, No configuration options
      • Ultimate Windows Tweaker

        2.2

        License
        free Download
        Platform
        Windows

        More than 150 tweaks for Windows Vista

        6
        85 votes
        • PROS: No installation required, Many different tweaks included, Lets you create a restoration point
        • CONS: Not properly documented, Unstable
      • TweakNow Powerpack Free

        2009 Beta 1.6.2

        License
        free Download
        Platform
        Windows

        A complete pack of system optimization tools

        7
        28 votes
        • PROS: Easy to use, independent modules, Great selection of tools, Lets you create a backup copy before applying any changes, Nicely designed
        • CONS: System Information report can't be copied or exported, Some tools are a bit too simple
      • Acebyte Utilities

        Free Acebyte Utilities Free

        License
        free Download
        Platform
        Windows

        Toolbox for optimizing Windows

        7
        31 votes
        • IceClean

          3.4.8

          License
          free Download
          Platform
          Mac

          The new Mac built-in Unix tasks system recovery

          7
          24 votes
          • Memory Cleaner- RAM Booster

            1

            License
            free Download
            Platform
            Android

            It is free, fastest, most convenient Android System Optimization Software.

            10
            3 votes
            • All-In-One Toolbox

              5.1.9.2

              License
              free Download
              Platform
              Android

              All-In-One Toolbox

              8
              3 votes
              • CCleaner

                2.29.1111

                License
                free Download
                Platform
                Windows

                A freeware system optimization and privacy tool

                -
                No votes yet
                • Registry Shower

                  5.0 2009

                  License
                  buy Download
                  Platform
                  Windows

                  Clean and optimize your system, with this all-in-one program

                  -
                  No votes yet
                  • PROS: Severity indicator, Includes extra optimization tools, Games to entertain you through system scans
                  • CONS: Optimizer doesn't explain what it does, Registry scans are slow
                • SO Wizard

                  1.2

                  License
                  buy Download
                  Platform
                  Windows

                  System Optimization Wizard - An efficiently registry cleaner and system optimizer

                  -
                  No votes yet
                  • MKN MemoryMonitor

                    2.0

                    License
                    free Download
                    Platform
                    Windows

                    System memory optimization in one mouse click

                    6
                    2 votes
                    • PROS: Monitors memory usage in real time, Allows you to customize the memory percentage to free up
                    • CONS: You have to free memory up manually
                  • PC Adrenalin

                    1.2

                    License
                    buy Download
                    Platform
                    Windows

                    PC Adrenalin is a system optimization tool designed to improve...

                    -
                    No votes yet
                    Softonic’s Best Rated Software for this topic
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                    15.43.6522225338.183251231527066Windows, Android, Mac
                    23.1.51178.054700854700855Windows
                    3Pro 163667.83169398907104Windows
                    43.1.648.87732407.220416666666667Windows
                    54.0.308782006.685999999999999Windows