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Charles vs Scarlet

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

Charles icon
Charles
Scarlet icon
Scarlet

Charles vs Scarlet: 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).

Scarlet: Scarlet is an open-source, self-hosted alternative to Spotify for streaming music. It allows you to host your own streaming music server to access your music collection from any device.

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 Scarlet
Sugggest Score — —
Category Development Audio & Music
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

Scarlet
Scarlet

Description: Scarlet is an open-source, self-hosted alternative to Spotify for streaming music. It allows you to host your own streaming music server to access your music collection from any device.

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
Scarlet
Scarlet Features
  • Self-hosted music streaming server
  • Web-based client for streaming music
  • Mobile apps for Android and iOS
  • Support for popular audio formats like MP3, FLAC, etc
  • Audio transcoding on the fly
  • Support for gapless playback
  • User management and access control
  • Song ratings and favorites
  • Custom playlists and smart playlists
  • Caching for reduced bandwidth usage
  • Last.fm scrobbling support

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
Scarlet
Scarlet

Pros

  • Self-hosted so you own your data
  • Open source and free
  • Works with your existing music library
  • Available on multiple platforms
  • Customizable and extensible

Cons

  • Self-hosting requires technical expertise
  • Lacks some features of commercial services
  • Mobile apps lack polish
  • Metadata and album art needs manual editing
  • Limited 3rd party integration

Pricing Comparison

Charles
Charles
  • Not listed
Scarlet
Scarlet
  • Open Source

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Learn More About Each Product

Charles
Charles
Reviews, pricing & alternatives →
Scarlet
Scarlet
Reviews, pricing & alternatives →

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