Mattermost
Pumble
| Feature | Mattermost | Pumble |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $2.49/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.3 / 5 |
| Best For | devops-teams, security-conscious-orgs, government, enterprise | small-teams, startups, budget-conscious-teams, remote-teams |
| Founded | 2015 | 2020 |
| Messaging | ✓ | ✗ |
| Channels | ✓ | ✓ |
| Playbooks | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Self Hosting | ✓ | ✗ |
| Compliance | ✓ | ✗ |
| Direct Messages | ✗ | ✓ |
| Video Calls | ✗ | ✓ |
| Screen Sharing | ✗ | ✓ |
| File Sharing | ✗ | ✓ |
| Threads | ✗ | ✓ |
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
✓ Pumble Pros
- Unlimited message history on free plan
- Very affordable paid plans
- Familiar Slack-like interface
- Good video calling
✗ Pumble Cons
- Smaller integration ecosystem
- Less mature than Slack
- Limited automation features
The Verdict
Mattermost is built for devops teams and security conscious orgs, with a focus on messaging and channels. Pumble targets small teams and startups and leads with channels and direct-messages.
On pricing, Pumble is the clear winner for budget-conscious users — starting at $2.49/mo compared to $10/mo for Mattermost. That $7.51/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
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.