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Charles vs Endtest

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

Charles icon
Charles
Endtest icon
Endtest

Charles vs Endtest: The Verdict

⚡ Summary:

Charles: Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

Endtest: Endtest is an open-source load and performance testing tool for web applications. It allows users to simulate large numbers of virtual users accessing a web application to test overall system performance and capacity.

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 Charles Endtest
Sugggest Score
Category Development Development
Pricing Open Source

Product Overview

Charles
Charles

Description: Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

Type: software

Endtest
Endtest

Description: Endtest is an open-source load and performance testing tool for web applications. It allows users to simulate large numbers of virtual users accessing a web application to test overall system performance and capacity.

Type: software

Pricing: Open Source

Key Features Comparison

Charles
Charles Features
  • HTTP proxy
  • HTTP monitor
  • Reverse proxy
  • View HTTP/HTTPS traffic
  • View requests
  • View responses
  • View HTTP headers
  • View cookies
  • View caching information
Endtest
Endtest Features
  • Record and replay scripts to simulate user interactions
  • Support for multiple protocols including HTTP, HTTPS, SOAP, REST, FTP, and more
  • Distributed load testing using multiple machines
  • Detailed performance metrics and customizable reports
  • Command line interface and integration with CI/CD pipelines
  • Open source and self-hosted option available

Pros & Cons Analysis

Charles
Charles

Pros

  • Debug HTTP/HTTPS connections
  • Inspect traffic between machine and internet
  • Identify performance issues
  • Troubleshoot network requests

Cons

  • Steep learning curve
  • Manual configuration required
  • Extra overhead for all HTTP traffic
  • Potential privacy concerns
Endtest
Endtest

Pros

  • Free and open source
  • Easy to use interface
  • Support for advanced scripting and extensibility
  • Scales to thousands of concurrent users
  • Detailed and customizable analytics

Cons

  • Limited to web application testing
  • Steep learning curve for advanced scripting
  • Not as feature rich as commercial solutions

Pricing Comparison

Charles
Charles
  • Not listed
Endtest
Endtest
  • Open Source

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