Head to head
| JDiskReport | LumaDisk | |
|---|---|---|
| Visualization | Charts | Sunburst |
| Platform | Windows + Mac + Linux (Java) | macOS + Windows |
| Pricing | Free Free of charge from JGoodies | Paid Paid one-time purchase (around $7 at time of writing) |
| Open source | No | No |
| Native Mac | No | No |
Updated September 2026 · Prices change — please verify with the vendor.
JDiskReport
Java statistics charts that find your most obsolete folders.
＋ JDiskReport: Strengths
- Rich statistics: size, age, and file-type distributions
- Free on every Java-capable platform
- Top-50 lists answer 'what's biggest' instantly
－ JDiskReport: Weaknesses
- Java UI feels alien on a modern Mac
- No deletion workflow — analysis only
- Aging codebase with infrequent updates
Read the review: JDiskReport → · JDiskReport See alternatives →
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 →
Verdict: JDiskReport vs LumaDisk
Choose JDiskReport if you want charts visualization on Windows + Mac + Linux (Java). Choose LumaDisk if you prefer sunburst views at paid pricing on macOS + Windows. 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, JDiskReport or LumaDisk?
JDiskReport wins on charts visualization for Windows + Mac + Linux (Java); LumaDisk wins on sunburst views for macOS + Windows. On price, Free (JDiskReport) vs Paid (LumaDisk). 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 JDiskReport or LumaDisk wins on price.