Which fits your needs?
DaisyDisk: Mac users who want a sunburst, cloud connections, and snapshot tools.
Nektony Disk Space Analyzer: Mac users who want a sunburst and integrated file-management actions.
Features, pricing, and workflow
Scroll across to compare
| Feature | DaisyDisk | Nektony Disk Space Analyzer |
|---|---|---|
| Best fit | Mac users who want a sunburst, cloud connections, and snapshot tools. | Mac users who want a sunburst and integrated file-management actions. |
| Visualization | Sunburst and file list | Sunburst, directories, and largest-items list |
| Platforms and requirements | macOS | macOS |
| Pricing and editions | One-time license; free trial. Check vendor pricing and direct/App Store edition differences. | Free download; verify the selected store edition and its in-app purchase terms. |
| Open source | No | No |
| Native macOS UI | Yes | Yes |
| Cleanup workflow | Collector stages items, then permanently removes them after confirmation and a cancellation countdown. It does not use macOS Trash. | Manage selected items with copy, move, and removal actions; check edition-specific availability. |
| Reports and portability | The cited overview does not establish a portable scan-report format. Preserve paths or screenshots and check the current manual before migrating. | The overview does not establish a portable report format. Keep paths and the selected scan scope before comparing results in NullDisk. |
DaisyDisk: what stands out
A good fit for Mac users who want a sunburst, cloud connections, and snapshot tools.
DaisyDisk: strengths
- Sunburst navigation with Quick Look previews
- Physical-size accounting for clones and hard links
- Cloud connections and macOS snapshot management
Considerations
- Mac app; no Windows or Linux desktop edition
- Full functionality requires a paid license after trial
- Some capabilities differ between direct and App Store editions
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 DaisyDisk?
A good fit for Mac users who want a sunburst, cloud connections, and snapshot tools. One-time license; free trial. Check vendor pricing and direct/App Store edition differences.
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.