Boost up Memory, Clean and Optimize Disk - ALL in ONE – Supports 30 languages

"Powerful and more features integrated in single app. I'll introduce family and friends to use"

William Adams.

"For just $10, your Mac will be brought to another level"

A Satisfied Customer.

"I have sent feedback that can make Duplicate Booster even better. Please check"

Alan Moore.

Macs are used DAILY for INTENSIVE usage like editing, programming, and much more! Having TOO MANY apps open can DAMAGE or SLOW down your disk! That's why you need to BUY our app, and EXTEND the life of your Mac!

Fast and Powerful CPU, RAM, Disk, File cleaner. Ranked in the TOP Paid App in 20 countries.

NEW featuring Boost up Memory, Optimize Disk, bring your Mac's performance up to speed with these fantastic new features!

Duplicate Booster performs a comprehensive sweep for junk files that are often left over after apps are uninstalled.

Duplicate Booster automatically reclaims system memory when you close a memory-intensive app, INCREASING the productivity of your Mac!


  • Files compared via our advanced SHA-1 hash checksum algorithm
  • Super fast and accurate duplicate detection
  • Locate duplicate images, audio, archives, entire folders and more
  • Automatic one-click duplicate selection

  • Clean temporary file such as logs, caches files, downloads, etc.
  • Empty current user's Trash Can
  • Remind users to clean their disk when necessary

    BOOST up Memory
  • Automatically optimizes memory when apps close
  • Reclaim unused memory to make it available for use by other apps
  • Optimize memory with one click
  • Graph monitor to track real-time memory status

    Find UNUSED & OLD Files
  • Add multiple folders for scanning
  • More condition with Size & Date
  • Automatic one-click scan

    [WHY should you buy from us?]
    Because we've worked hard to make Duplicate Booster as simple and efficient as possible for you to use. There are many cleaner apps on the market, but ours WORKS, is SIMPLE to use, and MAXIMIZES your Mac's performance! And we would love to hear your thoughts, just provide us with your feedbacks!

  • What's New
    Contact us:
    Thank you: alciccio, Angelz2nz, Ω∑ß, mamadelix, Spheneh, Ed Lopez, Jean-Luc Katarzynski, elderdad, Ninou14, psykoolaki... for your evaluation or comment.
    It helps us be more motivated to improve this product.
    I hope to receive more and more feedback from you.
    I'm very grateful for it.

    What's new in this version:
  • Improves stability
  • Improves user interface

    We apologize for bringing the experience was not pleasing to you.
    But we promise, will try day by day, update new version continuously.
    I hope that someday, our product will satisfy you.
    Please continues to support us.

    If you detect errors, bugs, crash as well as want us to improve certain features, please feel free to contact our supporter:

    We are committed to respond all your mail within 24h :).

  • Duplicate Booster (com.giauhuynh.clean-duplicate-file-free) is a Mac software application that has been discovered and submitted by users of The latest version that our users have reported running on their systems is Duplicate Booster 2.5.5. The most popular version of this application used by our users is Duplicate Booster 2.9.1.

    Operating System: Mac

    Minimum OS version: 10.10

    Copyright: Copyright (c) 2015 Giau Huynh. All rights reserved.