Side by side
Rocket.Chat vs Slack
Both stand on team chat apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source AndroidAPIiPhone+5
Rocket.Chat offers core messaging features on a free plan, with named options describing additional deployment and administrative choices. Check the plan details and request pricing for options beyond Starter.
Visit Rocket.Chat Free plan AndroidiPhoneLinux+3
Slack combines channel conversations, app integrations, automation and built-in AI features across a wide range of platforms. Check the free plan's history and app limits against your team's needs; paid plans offer unlimited message history and start at $7.25 per user per month with annual billing.
Visit SlackThe facts
| Rocket.Chat | Slack | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Not published |
| Runs on | Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows | Android, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Pro: $8.75 a month |
| Plans published | 5 | 4 |
| Maker | Rocket.Chat | Not published |
| Website | rocket.chat | slack.com |
| On team chat apps | #1 of 63 | #4 of 63 |
Rocket.Chat: what it does well
- Free Starter plan supports up to 50 users.
- Includes channels, guest access, and unlimited history.
- Integrates with a broad range of listed services.
- Supports self-hosted use and multiple platforms.
What to know first
- Starter is limited to 50 users.
- Other named plans have no listed prices.
- Some deployment options are air-gapped or on-premises.
Slack: what it does well
- Free plan is ₹0 and free forever.
- Available on web, desktop and mobile platforms.
- Free users get one-to-one huddles with screen sharing.
- Workflow Builder automates routine tasks without coding.
- Data is encrypted at rest and in transit.
What to know first
- Free message history is limited to 90 days.
- Free plan allows up to ten apps.
- Free external messaging is one-to-one only.
- Free plan deletes data after one year.
Alternatives to Rocket.Chat Alternatives to Slack The whole list