Disk Diet
Disk Diet is a macOS disk cleanup utility that scans common storage-heavy areas and helps remove files that are no longer needed.
What is Disk Diet?
Disk Diet is a native macOS utility for reclaiming storage space by finding files that can usually be removed without manually hunting through folders. It is designed for Mac users who want a quick way to clean up clutter such as caches, logs, trash, downloads, mail downloads, old iOS updates, and other space-consuming leftovers. The app also includes tools for identifying unused applications, extra language files, and Xcode-related build files that can take up significant space on a development Mac. Disk Diet supports both Intel and Apple silicon Macs and is built for modern versions of macOS. Tunabelly Software offers it as a focused cleanup tool for users who need to free disk space and keep a Mac feeling less crowded.
Key features
- Scan common cleanup areas such as caches, logs, trash, and downloads
- Show how much space can be recovered before removing files
- Find old iOS software updates and mail downloads that are taking up storage
- Identify unused applications for easier manual review
- Clean extra language files from applications to reduce space usage
- Remove Xcode developer build files that can accumulate over time
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Mostly safe
Disk Diet is a legitimate cleanup app, but any tool that deletes files should be used thoughtfully. Its access requests are consistent with its purpose, and some cleanup actions may require elevated help components or permission to reach protected locations. Review the categories it plans to clean before confirming, especially Downloads or developer-related files, so you do not remove something you still need.
Recommendation: Keep Disk Diet if you use it to manage low disk space or regularly clean temporary clutter on your Mac. If you no longer use it, you can remove it without affecting macOS itself, but any helper component or stored settings related to the app may stop working with it.
Common paths
/Applications/Disk Diet.app
Support paths
~/Library/Application Support/com.tunabellysoftware.diskdiet/Library/PrivilegedHelperTools/com.tunabellysoftware.DiskDietHelper
Preference paths
~/Library/Preferences/com.tunabellysoftware.diskdiet.plist
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