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Cyclic vs GMX

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

Cyclic icon
Cyclic
GMX icon
GMX

Cyclic vs GMX: The Verdict

⚡ Summary:

Cyclic: Cyclic is an open-source alternative to Postman for API testing and development. It allows developers to easily send requests to test and debug APIs and offers features like variables, collections, environments, and automated tests.

GMX: GMX is a free email service based in Germany that provides users with a free email account with a generous 15GB of storage. It has basic email features like spam filtering and email organization tools.

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 Cyclic GMX
Sugggest Score — —
Category Development Online Services
Pricing Open Source Freemium

Product Overview

Cyclic
Cyclic

Description: Cyclic is an open-source alternative to Postman for API testing and development. It allows developers to easily send requests to test and debug APIs and offers features like variables, collections, environments, and automated tests.

Type: software

Pricing: Open Source

GMX
GMX

Description: GMX is a free email service based in Germany that provides users with a free email account with a generous 15GB of storage. It has basic email features like spam filtering and email organization tools.

Type: software

Pricing: Freemium

Key Features Comparison

Cyclic
Cyclic Features
  • Send API requests
  • Import and export collections
  • Environment and global variables
  • Code generation
  • Authentication helpers
  • Test scripts
GMX
GMX Features
  • 15GB free storage
  • POP3 and IMAP support
  • Email organization tools
  • Spam filtering
  • Ad-free inbox
  • Email aliases
  • Disposable email addresses
  • Mobile apps
  • End-to-end encryption (beta)

Pros & Cons Analysis

Cyclic
Cyclic
Pros
  • Free and open source
  • Intuitive UI
  • Powerful functionality
  • Cross-platform support
  • Active community
Cons
  • Limited documentation
  • Less extensions than Postman
  • Steeper learning curve than Postman
GMX
GMX
Pros
  • Generous 15GB free storage
  • Good spam filtering
  • Email aliases and disposable addresses
  • End-to-end encryption available
  • No ads in the inbox
  • User-friendly interface
  • Available on mobile
Cons
  • Limited customization options
  • No calendar or contacts
  • Lacks advanced features like read receipts
  • Mobile app only available on Android and iOS
  • No offline email access

Pricing Comparison

Cyclic
Cyclic
  • Open Source
GMX
GMX
  • Freemium

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Learn More About Each Product

Cyclic
Cyclic
Reviews, pricing & alternatives →
GMX
GMX
Reviews, pricing & alternatives →

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