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ncdu vs SelfControl

Professional comparison and analysis to help you choose the right software solution for your needs.

ncdu icon
ncdu
SelfControl icon
SelfControl

ncdu vs SelfControl: The Verdict

⚡ Summary:

ncdu: ncdu (NCurses Disk Usage) is a command-line utility that provides a visual representation of disk usage in a directory or file system. Developed with the NCurses library, ncdu allows users to navigate through directories, view space usage, and interactively manage files and directories based on their size.

SelfControl: SelfControl is a free Mac app that helps you avoid distracting websites by blocking access to them for a set period of time. It can help you stay focused and productive when you need to get work done.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature ncdu SelfControl
Sugggest Score — —
Category File Management Productivity
Pricing free Open Source

Product Overview

ncdu
ncdu

Description: ncdu (NCurses Disk Usage) is a command-line utility that provides a visual representation of disk usage in a directory or file system. Developed with the NCurses library, ncdu allows users to navigate through directories, view space usage, and interactively manage files and directories based on their size.

Type: software

Pricing: free

SelfControl
SelfControl

Description: SelfControl is a free Mac app that helps you avoid distracting websites by blocking access to them for a set period of time. It can help you stay focused and productive when you need to get work done.

Type: software

Pricing: Open Source

Key Features Comparison

ncdu
ncdu Features
  • Ncurses-based disk usage analyzer
  • Interactive interface to view disk usage
  • Ability to navigate directories and drill down
  • Sorting by size to identify large files/directories
  • Ability to delete files/directories within ncdu
SelfControl
SelfControl Features
  • Block access to distracting websites
  • Set time periods for blocking (from 5 minutes to 1 day)
  • Customizable blacklists and whitelists
  • Block application usage
  • Schedule website blocking in advance

Pros & Cons Analysis

ncdu
ncdu

Pros

  • Lightweight and fast
  • No dependencies other than ncurses
  • Helpful for identifying disk hogs
  • Works on Linux and Unix-like systems

Cons

  • Not as feature-rich as graphical disk analyzers
  • Less user-friendly than GUI tools
  • Terminal-only so not accessible without a TTY
SelfControl
SelfControl

Pros

  • Free and open source
  • Simple and easy to use
  • Effective at blocking distractions
  • Available for Mac only

Cons

  • Lacks advanced configuration options
  • Easy to uninstall or work around blocks
  • Mac only, no Windows or mobile support

Pricing Comparison

ncdu
ncdu
  • free
SelfControl
SelfControl
  • Open Source

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Learn More About Each Product

ncdu
ncdu
Reviews, pricing & alternatives →
SelfControl
SelfControl
Reviews, pricing & alternatives →

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