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Slack vs Mattermost
Our Verdict
Based on ratings, features, pricing, and capabilities, Slack edges ahead in this comparison. Slack scores higher on user ratings and overall feature set.
Feature
Slack
Mattermost
Rating
⭐ 4.8/5
⭐ 4.7/5
Free Plan
Starting Price
$7.25/mo
$19/mo
Monthly Visits
210.0M
4.8M
API Support
Open Source
AI Capabilities
Mobile App
Desktop App
Browser Extension
Integrations
7 apps
4 apps
Team Size
ENTERPRISE
ENTERPRISE
Slack Pros & Cons
Pros
- The definitive gold standard for workplace communication in tech
- Vast ecosystem of 2,600+ app integrations and custom bots
- Slack Connect enables seamless shared channels with external clients and vendors
Cons
- Free tier deletes message history older than 90 days
- Can become noisy without disciplined notification settings
Mattermost Pros & Cons
Pros
- Reliable infrastructure
- Fast intuitive user interface
- Broad ecosystem integration
Cons
- Full feature set requires paid plan
Slack Key Features
- Organized Topic Channels & Direct Messages
- Slack Huddles Live Audio & Screen Sharing
- Slack Canvas Collaborative In-Channel Docs
- No-Code Workflow Builder with 2,600+ App Integrations
Mattermost Key Features
- Cloud Sync
- Multi-platform Access
- Collaboration Tools
- Export & Integrations
- Security & Encryption