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CoolTerm vs RealTerm

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

CoolTerm icon
CoolTerm
RealTerm icon
RealTerm

CoolTerm vs RealTerm: The Verdict

⚡ Summary:

CoolTerm: CoolTerm is a simple serial port terminal application for macOS, Linux, and Windows. It allows users to connect to serial devices and send/receive data. Useful for debugging hardware or connecting to devices like microcontrollers.

RealTerm: RealTerm is a serial port terminal program designed to replace HyperTerminal for engineers and developers. It provides full terminal emulation, data logging, ASCII, hex and binary data views, scripting and more.

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 CoolTerm RealTerm
Sugggest Score — —
Category Development Development
Pricing Open Source Free

Product Overview

CoolTerm
CoolTerm

Description: CoolTerm is a simple serial port terminal application for macOS, Linux, and Windows. It allows users to connect to serial devices and send/receive data. Useful for debugging hardware or connecting to devices like microcontrollers.

Type: software

Pricing: Open Source

RealTerm
RealTerm

Description: RealTerm is a serial port terminal program designed to replace HyperTerminal for engineers and developers. It provides full terminal emulation, data logging, ASCII, hex and binary data views, scripting and more.

Type: software

Pricing: Free

Key Features Comparison

CoolTerm
CoolTerm Features
  • Serial port terminal
  • Send and receive data
  • Supports multiple connection types (TCP/IP, UDP, serial)
  • Scripting and automation
  • Data logging
  • Customizable interface
  • Cross-platform (Windows, Mac, Linux)
RealTerm
RealTerm Features
  • Serial port terminal
  • Full terminal emulation
  • Data logging
  • ASCII, hex and binary data views
  • Scripting

Pros & Cons Analysis

CoolTerm
CoolTerm

Pros

  • Free and open source
  • Simple and easy to use
  • Lightweight with minimal dependencies
  • Supports many connection protocols
  • Active development and community support

Cons

  • Limited feature set compared to paid alternatives
  • No official support offered
  • Some platforms not officially supported (e.g. BSD)
  • Lacks advanced terminal features (e.g. VT100)
RealTerm
RealTerm

Pros

  • Free and open source
  • Lightweight and easy to use
  • Supports multiple connection types
  • Powerful data visualization and logging tools

Cons

  • Limited to serial communication only
  • Minimal UI without many customization options
  • Lacks some advanced terminal features like SSH

Pricing Comparison

CoolTerm
CoolTerm
  • Open Source
RealTerm
RealTerm
  • Free

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Learn More About Each Product

CoolTerm
CoolTerm
Reviews, pricing & alternatives →
RealTerm
RealTerm
Reviews, pricing & alternatives →

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