Side by side
OpenDisk vs SquirrelDisk
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
OpenDisk offers a focused way to inspect and clean Mac storage while keeping scans local. Use caution with its permanent Collector deletion and choose the direct download if you need whole-Mac scanning.
Visit OpenDisk
Free plan LinuxMacWindows
SquirrelDisk provides visual storage maps and several cleanup choices across three desktop platforms. Local scanning, protected locations, and remote-storage support make it useful for investigating space usage without an account.
Visit SquirrelDiskThe facts
| OpenDisk | SquirrelDisk | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 1 |
| Maker | Not published | Not published |
| Website | opendisk.app | squirreldisk.com |
| On disk space analyzers | #55 of 105 | #59 of 105 |
OpenDisk: what it does well
- Interactive sunburst disk-usage chart
- Searches filenames as you type
- Displays connected external drives
- No account, telemetry, or scanning network requests
- MIT-licensed open-source software
What to know first
- Requires macOS 15 or later
- Collector deletion bypasses the Trash
- App Store build scans selected locations only
- No paid tier or trial
SquirrelDisk: what it does well
- Sunburst and treemap disk-usage views
- Scans external drives and SSH machines
- Supports many rclone cloud storage services
- Cleanup includes secure erase and backup options
- Local scanning without account or sign-in
What to know first
- No file-type breakdown is listed
- No exportable reports are listed
- Automatic updates are enabled unless disabled in Settings
Alternatives to OpenDisk Alternatives to SquirrelDisk The whole list