App Cleaner Official
It is free, has no ads, and has a tiny footprint. Many long-time users praise its reliability over years of macOS updates.
“App Cleaner feels like it could be a native app, super simple and does what it needs to do.” Reddit · r/mac · 11 months ago Comparison with Other "App Cleaners" App Cleaner
AppCleaner (by FreeMacSoft) is widely regarded by users on Reddit and MacSales as an essential, lightweight utility for macOS. It solves the problem of "leftover" files—preferences, caches, and support folders—that remain on your system when you simply drag an app to the Trash. Key Features & Workflow It is free, has no ads, and has a tiny footprint