Disk Gauge: System Data

See what your storage hides

Only for Mac

Free · In‑App Purchases

Mac

macOS reports System Data as one number and never says what it is. Disk Gauge names the biggest parts of it, and tells you what breaks before you remove anything. Your Mac says System Data is taking 60 GB. It won't tell you what that is. Disk Gauge measures your home folder and breaks the hidden parts into things with names: developer build output, simulator devices, package manager caches, app and browser caches, leftovers from apps you deleted months ago. Every group says two things in plain English — what the files actually are, and what specifically happens if you remove them. Caches rebuild themselves. Some developer archives do not: delete those and you can no longer read crash reports from builds you already shipped. You are told which is which before you choose. MEASURING IS FREE Scan as often as you like, without paying. You see exactly what is there first. Removal is unlocked with a single in-app purchase — one payment, no subscription, no renewal. NOTHING IS DELETED Everything goes to the Trash. If you change your mind, put it back. Nothing is ever selected for you, and the app refuses to remove your home folder itself, top-level folders such as Documents and Desktop, or system folders. THREE WAYS TO LOOK Clean up — grouped, explained, and ranked by size Explore — a map of your home folder you can click into Largest — the biggest files, sorted, including ones you have not changed in months BUILT FOR MACS THAT ARE ACTUALLY FULL Reads allocated size rather than file size, so sparse and compressed files are counted honestly. Counts hard links once. Never follows symlinks. Skips iCloud Drive, Dropbox, Google Drive and OneDrive folders — reading a placeholder file can make macOS download it, and a tool that fills your disk while measuring it is no use to anyone. NO ACCOUNT, NO TRACKING No sign-in, no analytics, no data leaves your Mac. The only network connection the app makes is to Apple, to check your purchase.

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The developer, Revelar Solutions Private Limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Seller
    Revelar Solutions Private Limited
    Size
    2.1 MB
    Category
    Utilities
    Compatibility
    Requires macOS 14.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Revelar Solutions Private Limited
  • Privacy Policy

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