Slack vs Rocket.Chat

Side-by-side feature comparison and pricing breakdown.

Feature
End-to-End Encryption Slack has no E2EE; Rocket.Chat supports it
Self-Hosting Option Rocket.Chat can be fully self-hosted
Message History Slack free plan limited to 90 days
Third-Party Integrations Slack has a much larger app ecosystem
Video Conferencing Slack huddles are basic; Rocket.Chat has built-in video
Omnichannel Support Rocket.Chat combines team chat and customer support
Federation Rocket.Chat supports cross-org federation
Pricing
$8.75/mo
Free Open Source
Save 100% — Save $8.75/user/mo by self-hosting (100% savings)

Verdict

Rocket.Chat is a strong pick for teams that want self-hosted chat with omnichannel support and end-to-end encryption. Slack wins on polish and integrations, but at $8.75/user/mo the cost gap is massive.

Best for: Security-conscious teams that need omnichannel customer support alongside internal chat

Last updated: 2026-03-01