Face à face
| GrandPerspective | JDiskReport | |
|---|---|---|
| Visualization | Treemap | Charts |
| Platform | macOS | Windows + Mac + Linux (Java) |
| Pricing | Open source Free and open source (GPL); small App Store fee for the packaged build | Free Free of charge from JGoodies |
| Open source | Yes | No |
| Native Mac | Yes | No |
À jour en septembre 2026 · Les prix évoluent — vérifiez auprès du fournisseur.
GrandPerspective
The tiny open-source treemap that shows your biggest files instantly.
＋ GrandPerspective: Points forts
- Free and open source with a tiny footprint
- Treemap rectangles make the single biggest space hog obvious
- Fast rescans and a loyal power-user community
－ GrandPerspective: Points faibles
- Treemap UI is utilitarian — no sunburst, no guided cleanup
- No collector tray or duplicate finder; deletion is file-by-file
- Development pace is slow compared with commercial rivals
Lire le test: GrandPerspective → · GrandPerspective Voir les alternatives →
JDiskReport
Java statistics charts that find your most obsolete folders.
＋ JDiskReport: Points forts
- Rich statistics: size, age, and file-type distributions
- Free on every Java-capable platform
- Top-50 lists answer 'what's biggest' instantly
－ JDiskReport: Points faibles
- Java UI feels alien on a modern Mac
- No deletion workflow — analysis only
- Aging codebase with infrequent updates
Lire le test: JDiskReport → · JDiskReport Voir les alternatives →
Verdict: GrandPerspective vs JDiskReport
Choose GrandPerspective if you want treemap visualization with open-source transparency on macOS. Choose JDiskReport if you prefer charts views for free on Windows + Mac + Linux (Java). 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.
Questions fréquentes
Which is better, GrandPerspective or JDiskReport?
GrandPerspective wins on treemap visualization for macOS; JDiskReport wins on charts views for Windows + Mac + Linux (Java). On price, Open source (GrandPerspective) vs Free (JDiskReport). 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 GrandPerspective or JDiskReport wins on price.