Side by side
OwlDisk vs RidNacs
Both stand on disk space analyzers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Mac
OwlDisk focuses on visual disk analysis with local processing and direct cleanup through its trash zone. Its macOS requirement and permission recommendation are the main setup considerations.
Visit OwlDisk Free plan Windows
RidNacs focuses on straightforward storage analysis with exports and file actions. Its Windows-only scope and non-treemap interface should guide your choice.
Visit RidNacsThe facts
| OwlDisk | RidNacs | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac | Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | owldisk.com | splashsoft.de |
| On disk space analyzers | #71 of 105 | #75 of 105 |
OwlDisk: what it does well
- Free and open source
- Interactive three-level sunburst chart
- Reports Finder-matching sizes
- Runs locally without sending data
- Supports Apple Silicon and Intel
What to know first
- macOS 11 or later required
- Full Disk Access recommended for accuracy
- No treemap view
- Mac-only application
RidNacs: what it does well
- Free disk-space analysis
- Scans local, network and folder targets
- Exports XML, HTML, CSV and text
- Open or delete files in results
- Windows Explorer context-menu support
What to know first
- Windows only
- No treemap view
- Directories may be marked incompletely scanned
- Version 3.0 is the listed download
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