Side by side
DiskTree vs Parallel Disk Usage (pdu)
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
DiskTree combines visual storage inspection with category-focused diagnosis on macOS. The free plan handles exploration, while Pro adds Trash cleanup, monitoring, and alerts.
Visit DiskTree Free plan LinuxMacWindows
pdu offers fast, parallelized disk-usage scanning with chart customization, comparisons, and command-line integration. Its missing treemap and category views, plus reflink and symbolic-link limitations, matter when detailed storage classification is required.
Visit Parallel Disk Usage (pdu)The facts
| DiskTree | Parallel Disk Usage (pdu) | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac | Linux, Mac, Windows |
| Lowest paid plan | DiskTree Pro Yearly: $14.99 a year | Free or on request |
| Plans published | 5 | 1 |
| Maker | Not published | Not published |
| Website | disktree.org | github.com |
| On disk space analyzers | #65 of 105 | #61 of 105 |
DiskTree: what it does well
- Visual treemap shows proportional file and folder sizes
- Diagnosis covers more than 24 storage categories
- Developer rules target common development files
- Free plan includes view-only diagnosis
- Supports Intel and Apple Silicon Macs
What to know first
- Requires macOS 13 Ventura or later
- Cleanup and alerts require a Pro plan
- Lifetime plan is listed as $34.99 a month
Parallel Disk Usage (pdu): what it does well
- Free Apache 2.0-licensed command-line tool
- Graphical charts for files and directories
- Compares separate files or directories
- JSON input and output for pipelines
- Binaries for Linux, macOS, and Windows
What to know first
- No treemap view
- No application-size listings
- No file-type breakdown
- Does not follow symbolic links
Alternatives to DiskTree Alternatives to Parallel Disk Usage (pdu) The whole list