KaiCleaner finds the caches, logs, and developer junk eating your storage — then moves everything to the Trash instead of deleting it outright. A wrong guess costs you nothing.
Free at launch · macOS 14+ · Privacy · Notarized by Apple
KaiCleaner.dmg), not a text file. Do not open it in a code editor.
Scan → review → Trash → undo. The safest cleaner workflow.
No subscription. No cloud lock-in.
Full app during launch — all features
One-time · free updates
System Integrity Protection and the read-only system volume exist for a reason — aggressive cleaners that fight them are how you end up with a broken app or a kernel panic. KaiCleaner doesn't fight macOS. It works within it.
Even with Full Disk Access enabled, KaiCleaner blocks these paths by design.
Polished dashboard. Honest scans. Ready to ship.
Most people open a cleaner to free space and leave. KaiCleaner shows you six — the rest are one click away in More Tools.
One scan, one review, one Trash move. Standard caches or developer presets in the same view.
Space Lens treemap plus a 30-day growth chart — see where disk space is actually going.
Deep uninstall with leftover scan — caches, containers, prefs, launch agents. Everything to Trash.
Exactly what moved on Tuesday. Open Trash and drag anything back — the Safest Cleaner promise.
A score that stays stable — storage-first, not jittery CPU averages that train you to ignore it.
Offline advice from live metrics plus a cache explainer — no cloud, no account, no fake AI.
Competitors win on feature count. KaiCleaner wins on trust.
| KaiCleaner | CleanMyMac | OnyX | |
|---|---|---|---|
| Cleaning goes to Trash by default | ✓ Always | Varies | Often permanent |
| Home-folder scope by default | ✓ Yes | Broad scans | System-level |
| Safe mode (skip recent files) | ✓ Built in | — | — |
| Developer cache presets | ✓ Xcode, npm, Brew | Some | ✓ Deep |
| Cleanup undo log | ✓ Day-by-day + Open Trash | Limited | — |
| Storage growth trends | ✓ 30-day chart | Basic | — |
| Price | Free | Subscription | Free |
| Ease of use | Simple UI | Polished | Power-user |
Signed with a Developer ID and notarized by Apple — installs with zero Gatekeeper warnings.
⬇ Download KaiCleaner v1.5File: KaiCleaner.dmg · Open in Finder, not a text editor