Mattermost
Phrase
| Feature | Mattermost | Phrase |
|---|---|---|
| Pricing | Free / from $10/mo | From $25/mo |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.2 / 5 | 4.4 / 5 |
| Best For | devops-teams, security-conscious-orgs, government, enterprise | localization-teams, enterprise-companies, product-managers, global-brands |
| Founded | 2015 | 2011 |
| Messaging | ✓ | ✗ |
| Channels | ✓ | ✗ |
| Playbooks | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Self Hosting | ✓ | ✗ |
| Compliance | ✓ | ✗ |
| Translation Memory | ✗ | ✓ |
| Machine Translation | ✗ | ✓ |
| Quality Assurance | ✗ | ✓ |
| Api Integrations | ✗ | ✓ |
| Workflow Automation | ✗ | ✓ |
| Analytics | ✗ | ✓ |
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
✓ Phrase Pros
- Powerful translation memory
- AI-enhanced machine translation
- Supports 500+ languages
- Strong developer integrations (CLI, API)
✗ Phrase Cons
- Complex pricing structure
- Steep learning curve
- Expensive for small teams
The Verdict
Mattermost is built for devops teams and security conscious orgs, with a focus on messaging and channels. Phrase targets localization teams and enterprise companies and leads with translation-memory and machine-translation.
On pricing, Mattermost is the clear winner for budget-conscious users — starting at $10/mo compared to $25/mo for Phrase. That $15/mo difference adds up quickly for growing teams.
Mattermost has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Phrase requires a paid subscription from day one.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.