Head to head
| LumaDisk | OmniDiskSweeper | |
|---|---|---|
| Visualization | Sunburst | List |
| Platform | macOS + Windows | macOS |
| Pricing | Paid Paid one-time purchase (around $7 at time of writing) | Free Free freeware from The Omni Group |
| Open source | No | No |
| Native Mac | No | Yes |
Updated September 2026 · Prices change — please verify with the vendor.
LumaDisk
A light-speed sunburst that turns your filesystem into light.
＋ LumaDisk: Strengths
- Modern sunburst visualization on both Mac and Windows
- Fast scans with a clean, contemporary interface
- Affordable one-time price
－ LumaDisk: Weaknesses
- Cross-platform toolkit feel rather than fully native Mac UI
- Newer app with a shorter track record than incumbents
- Cleanup tooling is lighter than specialist cleaners
Read the review: LumaDisk → · LumaDisk See alternatives →
OmniDiskSweeper
A largest-first column browser for quick, no-frills cleanup.
＋ OmniDiskSweeper: Strengths
- Completely free from a trusted Mac developer
- Largest-first sorting finds big folders with zero learning curve
- Lightweight and fast on any Mac
－ OmniDiskSweeper: Weaknesses
- No visual map at all — pure ranked lists
- Dated interface that hasn't meaningfully evolved in years
- No collector, previews, or safety rails beyond the Trash
Read the review: OmniDiskSweeper → · OmniDiskSweeper See alternatives →
Verdict: LumaDisk vs OmniDiskSweeper
Choose LumaDisk if you want sunburst visualization on macOS + Windows. Choose OmniDiskSweeper if you prefer list views for free on macOS. And if you want a native Mac sunburst with a staged collector and zero telemetry, NullDisk is the third option that beats both on workflow.
Frequently asked questions
Which is better, LumaDisk or OmniDiskSweeper?
LumaDisk wins on sunburst visualization for macOS + Windows; OmniDiskSweeper wins on list views for macOS. On price, Paid (LumaDisk) vs Free (OmniDiskSweeper). The honest answer depends on your OS and whether you prefer maps or lists — read the verdict below.
Is there something better than both?
If you want a native Mac sunburst with allocated-size honesty, a staged removal collector, and zero data collection, NullDisk beats both on workflow — even where LumaDisk or OmniDiskSweeper wins on price.