Alternatives to OnyX

A free macOS maintenance utility for cleaning caches, rebuilding indexes and changing hidden system settings. The listings below can replace it for an important use case. Each note says what changes if you switch.

  • OnyX

    A free macOS maintenance utility for cleaning caches, rebuilding indexes and changing hidden system settings.

    FreeProprietarymacOS

Replacements

Listings that take over the same core job as OnyX.

  • TinkerTool

    Change macOS preferences that are not exposed in the normal settings interface.

    FreeProprietarymacOS

    TinkerTool focuses on hidden macOS preferences only, so moving from OnyX means losing cache cleaning and index rebuilding while keeping a free graphical settings tool.

  • CleanMyMac

    A Mac maintenance app that clears junk files, scans for malware and removes clutter.

    PaidProprietarymacOS

    CleanMyMac is a paid macOS maintenance app that adds a malware scanner and duplicate finder, but it does not expose hidden Finder, Dock and Safari settings like OnyX.

  • Mole

    An open-source command-line tool for cleaning, uninstalling, analyzing and monitoring a Mac, with a native app.

    FreeOpen sourcemacOSCommand line

    Mole is open source and scriptable from the command line, combining cleaning, uninstalling and disk analysis, but offers no hidden settings controls.

  • BuhoCleaner

    A Mac cleaner that removes junk files, finds duplicates and large files, and uninstalls apps.

    FreemiumProprietarymacOS

    BuhoCleaner adds duplicate search, large file search and an app uninstaller, runs on Intel and Apple silicon, but full use requires a paid license.

  • Sensei

    A Mac app for monitoring CPU, GPU, storage and battery health, with junk file cleanup.

    FreemiumProprietarymacOS

    Sensei combines hardware monitoring in the menu bar with junk file cleanup, and some features require a paid purchase.

Similar software

Related functionality, not a direct replacement.