Slack vs Rocket.Chat (2026 comparison)
Slack and Rocket.Chat are both team chat apps. Slack is best for channel-based messaging with deep integrations (free plan; paid from about $7.25 per user per month billed annually). Rocket.Chat is best for open-source, customisable team chat (free Starter edition (self-hosted, up to 50 users); paid cloud-hosted plans from about $4 per user per month, Enterprise quote-based).
Pricing and features verified against each vendor's published information on 2026-09-03. Sources linked below.
At a glance
| Feature | Slack | Rocket.Chat |
|---|---|---|
| Free plan | Yes | Yes |
| Pricing from | Free plan; paid from about $7.25 per user per month billed annually | Free Starter edition (self-hosted, up to 50 users); paid cloud-hosted plans from about $4 per user per month, Enterprise quote-based |
| Best for | channel-based messaging with deep integrations | open-source, customisable team chat |
| Founded | 2013 | 2015 |
| Platforms | Web, iOS, Android, Mac, Windows, Linux | Web, iOS, Android, Mac, Windows, Linux |
Quick verdict
Choose Slack for channel-based messaging with deep integrations. Choose Rocket.Chat for open-source, customisable team chat. Both are compared on published information only, so confirm current pricing at each source below.
More options
Sources
FAQ
- Is Slack or Rocket.Chat cheaper?
- As published, Slack starts at Free plan; paid from about $7.25 per user per month billed annually and Rocket.Chat starts at Free Starter edition (self-hosted, up to 50 users); paid cloud-hosted plans from about $4 per user per month, Enterprise quote-based. Verify current pricing at each vendor.
- Does Slack have a free plan?
- Yes, Slack has a free plan as of 2026-09-03.