Which fits your needs?
LumaDisk: Mac/Windows users wanting maps, duplicates, and build-cache discovery.
Nektony Disk Space Analyzer: Mac users who want a sunburst and integrated file-management actions.
Features, pricing, and workflow
Scroll across to compare
| Feature | LumaDisk | Nektony Disk Space Analyzer |
|---|---|---|
| Best fit | Mac/Windows users wanting maps, duplicates, and build-cache discovery. | Mac users who want a sunburst and integrated file-management actions. |
| Visualization | Sunburst, treemap, duplicate and unused-file lists | Sunburst, directories, and largest-items list |
| Platforms and requirements | macOS (Apple Silicon), Windows | macOS |
| Pricing and editions | Seven-day full trial; scanning stays free. Vendor lists $6.89 once for the remaining features. | Free download; verify the selected store edition and its in-app purchase terms. |
| Open source | No | No |
| Native macOS UI | Cross-platform interface | Yes |
| Cleanup workflow | Queue selected items for removal; review the current app’s confirmation and recovery options. | Manage selected items with copy, move, and removal actions; check edition-specific availability. |
| Reports and portability | The cited page does not establish scan-report export. Preserve paths and selections before starting a fresh scan in NullDisk. | The overview does not establish a portable report format. Keep paths and the selected scan scope before comparing results in NullDisk. |
LumaDisk: what stands out
A good fit for Mac/Windows users wanting maps, duplicates, and build-cache discovery.
LumaDisk: strengths
- Sunburst and treemap with live scan updates
- Build-cache radar, duplicate groups, and unused-file lists
- OneDrive/Dropbox connections; iCloud through its local folder
Considerations
- Verify Mac CPU support; current site highlights Apple Silicon
- Features beyond scanning require an unlock after trial
- Google Drive is listed as coming soon
Nektony Disk Space Analyzer: what stands out
A good fit for Mac users who want a sunburst and integrated file-management actions.
Nektony Disk Space Analyzer: strengths
- Sunburst and largest-items browsing
- Copy, move, or remove selected files
- Supports external volumes and accessible cloud-storage folders
Considerations
- Standard and Pro have separate store listings
- Check which actions require a purchase in the selected edition
- Mounted cloud folders do not necessarily represent an entire provider account
For a useful comparison on your own drive, match the scan root, access permissions, and size mode. Chart style changes how you explore the results; it does not by itself establish measurement accuracy.
Common questions
When should I choose LumaDisk?
A good fit for Mac/Windows users wanting maps, duplicates, and build-cache discovery. Seven-day full trial; scanning stays free. Vendor lists $6.89 once for the remaining features.
When should I choose Nektony Disk Space Analyzer?
A good fit for Mac users who want a sunburst and integrated file-management actions. Free download; verify the selected store edition and its in-app purchase terms.
Will both apps show the same size?
Not necessarily. Match the scan root, permissions, exclusions, and logical/allocated-size mode. Hard links, APFS clones, snapshots, sparse files, and cloud placeholders can change totals. A reported size is not a guaranteed amount recovered after deletion.
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