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ActivityWatch vs ncdu

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

ActivityWatch icon
ActivityWatch
ncdu icon
ncdu

ActivityWatch vs ncdu: The Verdict

⚡ Summary:

ActivityWatch: ActivityWatch is an open-source automated time tracker that monitors what you do on your computer. It helps analyze and visualize how you spend your time so you can become more productive.

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.

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

Product Overview

ActivityWatch
ActivityWatch

Description: ActivityWatch is an open-source automated time tracker that monitors what you do on your computer. It helps analyze and visualize how you spend your time so you can become more productive.

Type: software

Pricing: Open Source

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

Key Features Comparison

ActivityWatch
ActivityWatch Features
  • Tracks time spent in applications and websites
  • Provides timeline visualization of computer usage
  • Open source and cross-platform (Windows, Mac, Linux)
  • Stores data locally by default to protect privacy
  • Web extension and desktop app available
  • Customizable using Python scripts and REST API
  • Can ignore/exclude apps and websites
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

Pros & Cons Analysis

ActivityWatch
ActivityWatch

Pros

  • Free and open source
  • Simple graphical timeline
  • Lightweight resource usage
  • Protects privacy by default
  • Cross-platform support

Cons

  • Limited analytics and data visualization
  • Requires technical knowledge to customize
  • No mobile app
  • Not as full-featured as commercial competitors
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

Pricing Comparison

ActivityWatch
ActivityWatch
  • Open Source
ncdu
ncdu
  • free

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Learn More About Each Product

ActivityWatch
ActivityWatch
Reviews, pricing & alternatives →
ncdu
ncdu
Reviews, pricing & alternatives →

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