An honest CleanMyMac alternative (that shows its work)

If you're shopping for a CleanMyMac alternative, start with the honest part. CleanMyMac is a legitimate, Apple-notarized app from an established company (MacPaw). It's polished, and it isn't malware. People usually look elsewhere for three reasons. They want measured results instead of estimates, they'd rather not be nudged toward a subscription, and they don't want a tool deleting things on their behalf with one click. That's the itch this answers.

First: CleanMyMac isn't the problem

It's worth saying plainly, because the internet muddies it: CleanMyMac is notarized, Developer-ID signed, and has been on the Mac App Store since 2020. It's not a virus and it's not a scam. If that's your worry, here's the full rundown on whether it's safe.

The fair critique isn't about MacPaw's legitimacy. It's about how one-click cleaners work as a category. Their headline "GB found" totals are estimates that often include purgeable space macOS would reclaim on its own. They tend toward subscriptions. And a single "Clean" button that batch-deletes on your behalf puts the cost of a wrong guess on you. None of that makes them dangerous. For most people, macOS already handles routine housekeeping, so before you pick any tool, it's worth asking whether you need a Mac cleaner at all.

If you do want one, the good news is that the trusted end of this market is full of honest tools.

The honest alternative landscape

The reputable alternatives split into three jobs. Most people don't need one app that does everything; they need the right one for the thing that's actually eating their disk.

Disk visualizers: show you where space went, you decide.

• DaisyDisk: a fast, polished treemap that draws your whole disk as a map of colored blocks sized by how much space each thing uses. You see the big offenders at a glance and delete what you choose. One-time purchase.
• GrandPerspective: a free, open-source treemap in the same spirit: every file is a rectangle sized by its footprint. (It's GrandPerspective, easy to misremember.) No frills, no cost.
• OmniDiskSweeper: free, from The Omni Group. No visualization, just a plain largest-files-first list you can walk down. Blunt and effective.

Uninstallers: remove what dragging an app to the Trash leaves behind.

• AppCleaner: free. Dragging an app to the Trash only removes the .app bundle; its preferences, caches, and Application Support data stay behind in ~/Library. AppCleaner finds those associated files so you can remove them together.
• Pearcleaner: free and open-source, with an "Orphaned Files" view that hunts down leftovers from apps you already deleted.

Maintenance: the housekeeping scripts.

• OnyX: free, from Titanium Software. Runs macOS maintenance scripts, clears caches, rebuilds the Spotlight index, and checks the disk. Powerful, but it assumes you know what each toggle does.

Between these, most of what a paid all-in-one does is covered, transparently, and mostly for free.

Picking a CleanMyMac alternative that shows its work

So where does Plumby fit among them? It's in the same show-and-decide tradition, with a stricter rule about honesty. Nothing is fabricated, and nothing is estimated.

• Measured, not estimated. Plumby counts the bytes it actually removes, so the number you see is what left the disk, not a projected total that quietly counts space macOS would have freed anyway.
• Exact paths, shown before it acts. Every item is named with its real location (~/Library/Caches, ~/Library/Developer/Xcode/DerivedData, and so on). You review the list; there's no mystery bucket labeled "junk."
• It works item by item. No one-click sweep of your whole machine — you review what goes, with the real path and the real size beside each one.
• Recoverable when you want it. You choose whether what Plumby clears goes to the macOS Trash (recoverable) or is deleted outright, so a wrong call needn't mean a trip to a data-recovery vendor.
• It never touches your documents, photos, or projects. Only regenerable junk (caches, build artifacts, leftovers) is ever in scope.
• Developer-aware. It recognizes the build-up macOS never tidies on its own: node_modules across old projects, the Docker.raw that grows but never shrinks, Xcode DerivedData and simulators, package-manager caches. If that's your machine, the best Mac cleaner for developers is the one that knows these by name.
• Annual or one-time lifetime, no account — the app works forever either way.

Here's the comparison, kept general, because a spec sheet of any one competitor changes with every version:

None of this makes the other tools bad. DaisyDisk is excellent, the free uninstallers do real work, and OnyX is a serious utility. Plumby's claim is narrow. It does the finding and the clearing, shows every step, and never asks you to trust a number you can't check.

The honest version of "clean my Mac"

Doing this by hand is possible. You use a visualizer to find the space, an uninstaller for leftovers, a maintenance app for the caches, and your own judgment about what's safe. It's just tedious, and it's easy to delete the wrong thing when the tools disagree on what's even there. Plumby is the one tool that does all of it. It measures what it actually removes, shows every exact path before it touches anything, acts only on your command, and never goes near your documents, photos, or projects.