Welcome to Support

Cleaner One for macOS

Optimize your Mac's Disk!

Cleaner One is all in one Mac Clean Master that offers Disk Clean and more to clean your Mac. It is easy and quick to use, with an intuitive user interface.”

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Key Features


Disk Cleaner

  • Removes temporary files including cache files

  • Clears mail cache

  • Removes user download folders

  • Deletes browser data, iTunes downloads and iOS temporary files

  • Empties the system trash can


Top Topics

Expand All
What is the scope of Cleaner One scan?
What languages does Cleaner One support?
What is the Smart Uninstaller feature of Cleaner One?
How do I delete big files to free up disk space?
Why can't I delete some files in the Trash?
How to use the Disk Map feature?
How do I clean my Mac using the Disk Clean feature?
Why do I need Internet Connection to use Cleaner One?
What are the system requirements for my Mac?

Easy Setup


Check if your device meets the following requirements:

Operating System
MacOS 10.12 (Sierra) and higher
Storage Space
1.5 GB of available hard disk space
2 GB
3G/4G (LTE) | Wi-Fi Internet Connection


Follow these step-by-step instructions to download, install, and activate:


  1. Using your Mac, go to Mac App Store Preview.

  2. Click View in Mac App Store to open in App Store.

  3. Click Get, then click Install App. Wait for the installation to finish.

  4. Click the Launchpad in your Dock, then click Cleaner One to launch the app.

Need Additional Help?

For inquiries and concerns, you may reach us by sending an email to