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iftop vs Shodan

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

iftop icon
iftop
Shodan icon
Shodan

iftop vs Shodan: The Verdict

⚡ Summary:

iftop: iftop is an open source command-line tool used to monitor network usage and bandwidth in real-time. It displays a table of current TCP/IP connections using bandwidth over a specified interface.

Shodan: Shodan is a search engine for Internet-connected devices. It allows users to find specific types of devices based on filters like location, ports, banners, and more. Shodan provides visibility into Internet-facing devices and services that are often overlooked or forgotten.

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 iftop Shodan
Sugggest Score — —
Category Network & Admin Security & Privacy
Pricing Open Source —

Product Overview

iftop
iftop

Description: iftop is an open source command-line tool used to monitor network usage and bandwidth in real-time. It displays a table of current TCP/IP connections using bandwidth over a specified interface.

Type: software

Pricing: Open Source

Shodan
Shodan

Description: Shodan is a search engine for Internet-connected devices. It allows users to find specific types of devices based on filters like location, ports, banners, and more. Shodan provides visibility into Internet-facing devices and services that are often overlooked or forgotten.

Type: software

Key Features Comparison

iftop
iftop Features
  • Displays bandwidth usage on selected network interface
  • Shows both inbound and outbound traffic
  • Can filter by IP address or network port
  • Real-time monitoring and stats
  • Text-based interface for terminal/CLI use
Shodan
Shodan Features
  • Search engine for Internet-connected devices
  • Find devices based on filters like location, ports, banners, etc
  • Provides visibility into Internet-facing devices and services

Pros & Cons Analysis

iftop
iftop

Pros

  • Free and open source
  • Lightweight and low resource usage
  • Easy to use with no configuration needed
  • Good for identifying bandwidth hogs and monitoring network usage
  • Works on Linux, Unix, and BSD systems

Cons

  • Terminal-only, no GUI
  • Can only monitor one interface at a time
  • Not as feature-rich as commercial bandwidth monitors
  • Requires some Linux/Unix command line knowledge to use
  • Does not work on Windows
Shodan
Shodan

Pros

  • Easy to discover Internet-connected devices
  • Powerful search and filtering capabilities
  • Helps identify vulnerabilities and insecure configurations

Cons

  • Requires paid subscription for full access
  • Some consider scanning without permission unethical
  • Exposes sensitive information about devices

Pricing Comparison

iftop
iftop
  • Open Source
Shodan
Shodan
  • Not listed

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Learn More About Each Product

iftop
iftop
Reviews, pricing & alternatives →
Shodan
Shodan
Reviews, pricing & alternatives →

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