Skip to content

Invoice Ninja vs Mattermost

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

Invoice Ninja icon
Invoice Ninja
Mattermost icon
Mattermost

Invoice Ninja vs Mattermost: The Verdict

⚡ Summary:

Invoice Ninja: Invoice Ninja is an open-source invoicing, expenses, and time-tracking app designed for freelancers and small businesses. It allows you to create professional invoices, track payments and expenses, manage projects, and accept online payments.

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 Invoice Ninja Mattermost
Sugggest Score — —
Category Business & Commerce Social & Communications
Pricing Open Source Freemium

Product Overview

Invoice Ninja
Invoice Ninja

Description: Invoice Ninja is an open-source invoicing, expenses, and time-tracking app designed for freelancers and small businesses. It allows you to create professional invoices, track payments and expenses, manage projects, and accept online payments.

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

Invoice Ninja
Invoice Ninja Features
  • Create professional invoices
  • Accept online payments
  • Track expenses
  • Manage projects
  • Recurring invoices
  • Multi-currency support
  • Time tracking
  • Tax rates
  • Customer portal
Mattermost
Mattermost Features
  • Team messaging
  • File sharing
  • Search
  • Integrations
  • Cross-platform support

Pros & Cons Analysis

Invoice Ninja
Invoice Ninja

Pros

  • Free and open source
  • Easy to use interface
  • Mobile app available
  • Integrates with many payment gateways
  • Customizable invoices
  • Scales with business growth

Cons

  • Limited reporting
  • Can be slow with large datasets
  • Limited customization options
  • No native accounting integration
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

Invoice Ninja
Invoice Ninja
  • Open Source
Mattermost
Mattermost
  • Freemium

Related Comparisons

Learn More About Each Product

Invoice Ninja
Invoice Ninja
Reviews, pricing & alternatives →
Mattermost
Mattermost
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

Invoice Ninja Alternatives
Mattermost Alternatives
Browse More Software