OpenDisk

Spec sheet

Purpose

OpenDisk analyzes Mac disk usage and displays the drive as an interactive sunburst chart.Read 12 Oct 2026 · opendisk.app

Desktop platforms

macosRead 22 Sep 2026 · opendisk.app

Free plan

YesRead 22 Sep 2026 · opendisk.app

Privacy

The maker says scans stay on the Mac and the app collects no telemetry, analytics, or account data.Read 12 Oct 2026 · opendisk.app

Support

Email support is offered for questions and problems, and the maker says it usually replies within a couple of days.Read 12 Oct 2026 · opendisk.app

App Store limitation

The Mac App Store version only scans drives and folders selected by the user because of Apple's sandbox; the repository recommends the direct download for scanning the whole Mac.Read 12 Oct 2026 · github.com

Cleanup

Users can collect selected files for deletion and remove them together from the Collector.Read 12 Oct 2026 · github.com

Deletion limit

Deleting from the Collector is permanent and skips the Trash; the repository says the app blocks deletion of system folders, the home folder, and Library.Read 12 Oct 2026 · github.com

Distribution

The maker offers a direct macOS download and a Mac App Store version; a Homebrew installation command is also documented in the GitHub repository.Read 12 Oct 2026 · github.com

External drive scans

YesRead 22 Sep 2026 · opendisk.app

External drives

The app shows external drives when they are connected.Read 12 Oct 2026 · github.com

File search

The app can search files on the drive by name, with results as you type.Read 12 Oct 2026 · github.com

Incremental scans

OpenDisk replays filesystem events to rescan changed folders, and the maker says repeat scans are 20 to 28 times faster than the first scan.Read 12 Oct 2026 · github.com

License and contribution

OpenDisk is MIT-licensed open-source software, and the maker invites users to report bugs or contribute pull requests on GitHub.Read 12 Oct 2026 · opendisk.app

Network behavior

The privacy policy says scanning makes no network requests and update checks fetch a static appcast file from the maker's site.Read 12 Oct 2026 · opendisk.app

Platform requirements

OpenDisk requires macOS 15 or later and supports Apple Silicon and Intel Macs.Read 12 Oct 2026 · opendisk.app

Scan scope

files_foldersRead 22 Sep 2026 · opendisk.app

Updates

The direct-download version uses Sparkle, verifies update downloads with EdDSA signatures, and supports one-click installation.Read 12 Oct 2026 · opendisk.app

Plans and prices

Every OpenDisk plan and price →

Where Specifiction places it

• Disk Space Analyzers#58 of 1057.8