Google Classroom
Mattermost
| Feature | Google Classroom | Mattermost |
|---|---|---|
| Pricing | Free / from $4/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.2 / 5 |
| Best For | k12-schools, teachers, school-districts, tutors | devops-teams, security-conscious-orgs, government, enterprise |
| Founded | 2014 | 2015 |
| Assignments | ✓ | ✗ |
| Grading | ✓ | ✗ |
| Google Meet Integration | ✓ | ✗ |
| Discussion Boards | ✓ | ✗ |
| Guardians | ✓ | ✗ |
| Originality Reports | ✓ | ✗ |
| Class Stream | ✓ | ✗ |
| Messaging | ✗ | ✓ |
| Channels | ✗ | ✓ |
| Playbooks | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Self Hosting | ✗ | ✓ |
| Compliance | ✗ | ✓ |
✓ Google Classroom Pros
- Completely free for schools using Google Workspace for Education
- Seamless integration with Google Drive, Docs, and Meet
- Simple interface that students and teachers learn quickly
- Supports assignments, quizzes, and discussion boards
✗ Google Classroom Cons
- Limited analytics and reporting compared to dedicated LMS
- Requires Google Workspace ecosystem
- Less customizable than platforms like Canvas or Moodle
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
The Verdict
Google Classroom is built for k12 schools and teachers, with a focus on assignments and grading. Mattermost targets devops teams and security conscious orgs and leads with messaging and channels.
On pricing, Google Classroom is the clear winner for budget-conscious users — starting at $4/mo compared to $10/mo for Mattermost. That $6/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.
Feature-wise, Google Classroom offers broader built-in capabilities (7 features vs 6), while Mattermost takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.