Diskzy vs App Cleaner & Uninstaller: an honest comparison
App Cleaner & Uninstaller from Nektony is a dedicated uninstaller. Its site describes removing apps with their caches, settings and support files, showing every file and its path before removal, finding leftovers of apps already deleted, listing app updates, managing startup programs and extensions, and, in an expert mode, reviewing app permissions and background items. It is sold by subscription or one-time purchase, has a 2-day trial of the Pro features followed by a limited free version, and supports macOS 11.0 to 27.
Diskzy's Uninstall does the central job too, removing an app with its support files, caches, preferences, containers, launch agents and privileged helpers. It does not manage startup items, extensions, updates or permissions. What surrounds its uninstaller is different: a map of the whole disk, System Data explained part by part, and a cleanup list with a reason for each item.
| Diskzy | App Cleaner & Uninstaller | |
|---|---|---|
| Price | Free for 72 hours with everything unlocked, then $9 once for 2 Macs. No subscription. | Subscription or one-time purchase. Prices are not stated on the product page. |
| Trial | 72 hours with everything unlocked. | 2-day trial of Pro features, then a free version that can scan and find leftovers for you to remove manually. |
| App uninstaller | Yes. Removes an app with its support files, caches, preferences, containers, launch agents and privileged helpers, with guards so files shared with another app are not touched. | Yes. Removes apps with their caches, settings and support files, and shows each file and its path first. |
| Leftovers of apps already removed | Not a separate feature. Leftover folders appear on the disk map. | Yes. Finds remaining files and broken items left behind by apps. |
| Startup programs, extensions and updates | No. | Yes. Lists login items, extensions and available app updates. |
| Disk map | Maps the whole disk. | Not stated |
| System Data | Breaks System Data into named parts, each sized and marked Safe to clear, Look first or Managed by macOS. | Not stated |
| Cleanup of caches and build folders | Clean up tab lists caches, logs, Xcode leftovers, project build folders, package-manager caches and old installers, each ticked or unticked with a reason. | Not stated |
| Where deleted files go | The Trash. Nothing is gone until you empty it. | Not stated |
| Requirements | macOS 15 Sequoia or later, Apple silicon and Intel. | macOS 11.0 to 27. |
When App Cleaner & Uninstaller is the better choice
Choose App Cleaner & Uninstaller if uninstalling is your main need and you also want to manage startup programs, extensions, app updates and permissions, or if your Mac runs macOS 11 to 14.
When Diskzy is the better choice
Choose Diskzy if you want uninstalling as one part of understanding and clearing the whole disk, with a single stated price and removals that go to the Trash.
Details about App Cleaner & Uninstaller were checked on October 10, 2026 against nektony.com. Prices and features change; check their site for the latest.
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See where your Mac's space went
Diskzy maps your disk, explains System Data and clears what's safe. Free for 72 hours, then $9 once for 2 Macs.
Try Diskzy for free