Side by side
FreeSize vs Radix
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 LinuxMacWindows
FreeSize offers local, read-only disk analysis with several visualizations and a free unlimited-scan plan. Its paid tier adds ongoing monitoring, portal history, and centralized multi-device management.
Visit FreeSize
Free plan Mac
Radix focuses on visualizing file and folder storage, comparing scan changes and reviewing cleanup candidates. Its macOS version requirement and possible Full Disk Access prompts are worth noting before use.
Visit RadixThe facts
| FreeSize | Radix | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Windows | Mac |
| Lowest paid plan | Pro: 29 CHF a year | Free or on request |
| Plans published | 2 | 1 |
| Maker | FreeSize | Not published |
| Website | freesize.ch | tryradix.app |
| On disk space analyzers | #41 of 105 | #37 of 105 |
FreeSize: what it does well
- Shows storage through three visual views
- Scans locally without transmitting file names or contents
- Read-only analysis does not alter files
- Free plan includes unlimited scans
- Pro adds background monitoring and device history
What to know first
- macOS support requires version 12+ on Apple Silicon
- Linux support is listed as Ubuntu 24.04+ AppImage
- Background monitoring requires Pro
- Pro costs 29 CHF a year
Radix: what it does well
- Shows disk usage in sunburst and treemap views
- Compares changes between scans
- Exports scans as read-only snapshots
- Keeps scans and saved results on the Mac, according to its maker
- No account is required
What to know first
- Requires macOS 14 or later
- Some folders may require Full Disk Access
- Does not show application sizes
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