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ePhone vs Mattermost

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

ePhone icon
ePhone
Mattermost icon
Mattermost

ePhone vs Mattermost: The Verdict

⚡ Summary:

ePhone: ePhone is a free, open source software for making voice over IP (VoIP) calls. It allows you to make free calls over the internet to other ePhone users as well as call landlines and cell phones for low rates using VoIP.

Mattermost: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.

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 ePhone Mattermost
Sugggest Score — —
Category Social & Communications Social & Communications
Pricing Open Source Freemium

Product Overview

ePhone
ePhone

Description: ePhone is a free, open source software for making voice over IP (VoIP) calls. It allows you to make free calls over the internet to other ePhone users as well as call landlines and cell phones for low rates using VoIP.

Type: software

Pricing: Open Source

Mattermost
Mattermost

Description: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.

Type: software

Pricing: Freemium

Key Features Comparison

ePhone
ePhone Features
  • Voice over IP calling
  • Call recording
  • Call transfer
  • 3-way calling
  • SMS messaging
  • Visual voicemail
  • Call forwarding
  • Caller ID
  • Conference calling
Mattermost
Mattermost Features
  • Team messaging
  • File sharing
  • Search
  • Integrations
  • Cross-platform support

Pros & Cons Analysis

ePhone
ePhone
Pros
  • Free to use
  • Open source
  • Works across platforms
  • Good call quality
  • Easy to use interface
  • Lots of features
Cons
  • Limited userbase
  • Some features may require payment
  • Requires stable internet connection
  • May have privacy/security concerns
Mattermost
Mattermost
Pros
  • Open source
  • Self-hosted
  • Highly customizable
  • Strong security
  • Active development community
Cons
  • Requires technical expertise to setup and manage
  • Limited native mobile apps
  • Less third-party integrations than proprietary options

Pricing Comparison

ePhone
ePhone
  • Open Source
Mattermost
Mattermost
  • Freemium

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Learn More About Each Product

ePhone
ePhone
Reviews, pricing & alternatives →
Mattermost
Mattermost
Reviews, pricing & alternatives →

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