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GMX vs ONLYOFFICE

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

GMX icon
GMX
ONLYOFFICE icon
ONLYOFFICE

GMX vs ONLYOFFICE: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature GMX ONLYOFFICE
Sugggest Score — —
Category Online Services Office & Productivity
Pricing Freemium Open Source

Product Overview

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

ONLYOFFICE
ONLYOFFICE

Description: ONLYOFFICE is an open-source office suite that includes online document editors for text documents, spreadsheets, and presentations. It can be integrated into various platforms to provide editing capabilities.

Type: software

Pricing: Open Source

Key Features Comparison

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)
ONLYOFFICE
ONLYOFFICE Features
  • Word processor
  • Spreadsheet editor
  • Presentation editor
  • Collaborative editing
  • Version history
  • Third-party integration
  • Plugins and extensions
  • Mobile apps

Pros & Cons Analysis

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
ONLYOFFICE
ONLYOFFICE
Pros
  • Free and open source
  • Good compatibility with Microsoft Office formats
  • Real-time co-editing
  • Available on multiple platforms
  • Customizable and extensible
Cons
  • Limited features compared to Microsoft Office
  • Limited template options
  • Can be slow with large documents
  • Limited charts and analysis tools in spreadsheet editor

Pricing Comparison

GMX
GMX
  • Freemium
ONLYOFFICE
ONLYOFFICE
  • Open Source

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Learn More About Each Product

GMX
GMX
Reviews, pricing & alternatives →
ONLYOFFICE
ONLYOFFICE
Reviews, pricing & alternatives →

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