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OnyX

8.9
Very Good
Free Plan
language

description OnyX Overview

OnyX is a powerful, free, and highly respected maintenance utility for macOS. Unlike CleanMyMac, which focuses on ease of use, OnyX is designed for users who want deep control over their system. It allows you to run maintenance scripts, rebuild databases, clear caches, and modify hidden system settings that Apple doesn't expose in the UI. It is a 'no-nonsense' tool that is incredibly reliable and trusted by IT professionals.

If you are a Mac power user who wants to perform deep system maintenance without paying for a subscription, OnyX is the best choice.

info OnyX Specifications

balance OnyX Pros & Cons

thumb_up Pros
  • check Free and open-source with no purchase required
  • check Deep access to macOS system internals and hidden settings
  • check Runs automated maintenance scripts (rebuild databases, repair permissions)
  • check Effective cache and temporary file cleanup
  • check Lightweight and doesn't require installation
  • check Trusted by macOS power users for over 15 years
thumb_down Cons
  • close Steeper learning curve for non-technical users
  • close No official customer support channel
  • close Risk of system instability if settings are misconfigured
  • close Minimal GUI polish compared to commercial alternatives
  • close No automatic updates; requires manual downloads

help OnyX FAQ

Is OnyX safe to use on macOS Monterey, Ventura, or Sonoma?

OnyX is generally safe when used carefully. However, some features may not work correctly on newer macOS versions due to System Integrity Protection. Always create a backup before making system-level changes.

How does OnyX differ from CleanMyMac X?

OnyX offers deeper system access and more technical controls, while CleanMyMac X provides a polished GUI and simpler interface. OnyX is free; CleanMyMac X requires a subscription.

Does OnyX slow down my Mac or cause issues?

OnyX itself is lightweight and doesn't run background processes. However, improper use of certain features (like deleting system caches) could cause temporary issues, so use caution and follow recommended practices.

Can OnyX remove malware or act as an antivirus?

No, OnyX is not an antivirus or anti-malware tool. It focuses on system maintenance, cache cleanup, and database rebuilding rather than security threat detection.

Where can I download OnyX safely?

OnyX should be downloaded only from the official Titanium Software website (titanium-software.fr) to avoid counterfeit versions that may contain malware.

What is OnyX?
OnyX is a powerful, free, and highly respected maintenance utility for macOS. Unlike CleanMyMac, which focuses on ease of use, OnyX is designed for users who want deep control over their system. It allows you to run maintenance scripts, rebuild databases, clear caches, and modify hidden system settings that Apple doesn't expose in the UI. It is a 'no-nonsense' tool that is incredibly reliable and trusted by IT professionals. If you are a Mac power user who wants to perform deep system maintenance without paying for a subscription, OnyX is the best choice.
How good is OnyX?
OnyX scores 8.9/10 (Very Good) on Lunoo, making it a well-rated option in the Ticketing System category. OnyX earns an 8.9/10 due to its exceptional depth of system control and zero cost, making it invaluable for power users. It loses points for a steeper...
How much does OnyX cost?
Free Plan. Visit the official website for the most up-to-date pricing.
What are the best alternatives to OnyX?
See our alternatives page for OnyX for a ranked list with scores. Top alternatives include: Linux Kernel, BleachBit, Wise Care 365.
How does OnyX compare to Linux Kernel?
See our detailed comparison of OnyX vs Linux Kernel with scores, features, and an AI-powered verdict.
Is OnyX worth it in 2026?
With a score of 8.9/10, OnyX is highly rated in Ticketing System. See all Ticketing System ranked.
What are the key specifications of OnyX?
  • Size: Approximately 10-20 MB
  • License: Freeware
  • Updates: Manual (no automatic update mechanism)
  • Platform: macOS only
  • Developer: Titanium Software
  • Languages: Multiple languages supported (English, French, etc.)

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