Mattermost by Stackhero vs Slack
Comprehensive comparison for 2026: features, pricing, and expert recommendations
By Shyft Research TeamUpdated Feb 24, 2026
TL;DR
- Both tools is our recommended choice for most users
- Compare ratings, features, and pricing below
- See detailed pricing comparison below
- Choose Mattermost by Stackhero if you need an EU-based, self-hosted alternative to Slack.
Mattermost by Stackhero Rating
N/A
Slack Rating
N/A
Mattermost by Stackhero Price
$10/mo
Slack Price
$6.67/mo
When comparing Mattermost by Stackhero and Slack, the choice often comes down to priorities. Mattermost by Stackhero is an open-source, self-hosted team communication service. It is particularly appealing to teams that prioritize data privacy and control. Slack, on the other hand, is a widely-used business communication platform. It offers a robust set of features and integrates with thousands of apps. Both tools aim to facilitate team collaboration, but they cater to different needs and preferences.
Quick Verdict
Mattermost by Stackhero is a solid choice for teams prioritizing data privacy and self-hosting. Slack is the better option for most businesses needing a robust, feature-rich communication platform with extensive integrations.
Choose Mattermost by Stackhero
Mattermost by Stackhero offers an open-source, self-hosted solution. It is ideal for teams with strict data privacy requirements or those who prefer on-premise control. The EU-based hosting is a plus for compliance with European data regulations.
Choose Mattermost by Stackhero if you need an EU-based, self-hosted alternative to Slack.
OR
Choose Slack
Slack excels with its extensive app integrations and user-friendly interface. It is best for teams needing a comprehensive communication tool with strong collaboration features. The free tier is generous for small teams.
Choose Slack if you want a feature-rich, widely-used communication platform with extensive integrations.
Head-to-Head Comparison
Mattermost by Stackhero
Slack
Category
communication
Communication
Rating
No rating
No rating
Starting Price
$10/mo
$6.67/mo
Free Tier
What it Does
Self-hosted team communication for developers and teams
Team messaging and collaboration platform
Frequently Asked Questions
For most businesses, Slack is the better choice due to its extensive features and integrations. It is a reliable and user-friendly platform that enhances team collaboration. However, if data privacy and self-hosting are top priorities, Mattermost by Stackhero is a strong alternative. It offers a secure and customizable solution for teams with specific compliance needs.
Our Expert Verdict
“Mattermost by Stackhero is a solid choice for teams prioritizing data privacy and self-hosting. Slack is the better option for most businesses needing a robust, feature-rich communication platform with extensive integrations.”
Pros
- • Mattermost by Stackhero: Established solution
- • Slack: AI-ready with MCP
Recommendation: We recommend slack for most use cases.
Verdict: Mattermost by Stackhero vs Slack
Winner: slack
Mattermost by Stackhero is a solid choice for teams prioritizing data privacy and self-hosting. Slack is the better option for most businesses needing a robust, feature-rich communication platform with extensive integrations.
Common Questions: Mattermost by Stackhero vs Slack
Both Mattermost by Stackhero and Slack are strong communication tools. Mattermost by Stackhero and Slack. The best choice depends on your team size, budget, and specific feature requirements. Both offer ways to try before you buy.