| Leftover Type | Typical Location | Accumulated Size (Over 2 Years) | |---------------|----------------|----------------------------------| | Preferences | ~/Library/Preferences/ | 50–200 MB | | Caches | ~/Library/Caches/ | 1–5 GB | | Logs | ~/Library/Logs/ | 100 MB–1 GB | | Application Support | ~/Library/Application Support/ | 500 MB–10+ GB | | Containers (Sandboxed apps) | ~/Library/Containers/ | 200 MB–2 GB |
: Scans for and removes associated caches, logs, and preference files that normally remain in the Library folder. Startup & Extension Management App Cleaner Uninstaller 8.4.3 Full MacOS
The free version shows you leftovers. The Full version lets you bulk-select 20 apps, delete all associated service files, and run a "Smart Scan" to identify rarely-used apps. For $19.95 (lifetime license), it pays for itself when you avoid buying a new drive just because your old one is full of "System Data." | Leftover Type | Typical Location | Accumulated
Yes. In fact, a "clean uninstall" is the best way to fix a malfunctioning app. After removing all leftovers, a fresh install behaves exactly like the first time. For $19