Skip to content
Projects / LAB-02

DiskCleanup

Smart macOS disk cleanup with an animated sunburst map, and nothing deleted without asking.

Part no.
LAB-02
Status
working
Platform
macOS
Year
2026
Stack
PythonTyperRichSwiftUI
01 — The problem

macOS "System Data" swallows hundreds of gigabytes and doesn't tell you what's in it.

03 — Back of the napkin
Back of the napkinRough · not a forecast

Personal tool. Compared with the paid cleaner apps it replaces.

  1. Typical cleaner app subscription≈ €40/yr
  2. ×Years of use3
  3. =Avoided cost≈ €120
  4. −Build timea weekend
Running costs
Running cost
€0
At 10× / 100×

As a product it would compete with well-funded incumbents, and needs Full Disk Access trust. Better kept as an open tool.

Verdict

Pays for itself. Not worth turning into a business.

05 — On screen
Sunburst disk map (demo data)
Sunburst disk map (demo data)
Drilling into Library
Drilling into Library
06 — Engineering highlights
01

Risk-rated

Every target gets a risk level, you see a preview, and files go to Trash with send2trash rather than being deleted outright.

02

Animated sunburst

A SwiftUI Shape with Animatable arcs. There is also an HTML version served by the CLI.