Slack vs Element

Side-by-side feature comparison and pricing breakdown.

Feature
End-to-End Encryption Element has E2EE by default; Slack does not
Decentralization Element uses federated Matrix protocol
Bridges to Other Platforms Element bridges to Slack, Teams, Discord, and IRC
UI Polish Slack's UI is more refined and intuitive
App Integrations Slack has a much larger integration ecosystem
Self-Hosting Element/Matrix can be fully self-hosted
Thread Support Both support threaded conversations
Pricing
$8.75/mo
Free Open Source
Save 100% — Save $8.75/user/mo by self-hosting (100% savings)

Verdict

Element offers true end-to-end encryption and decentralized messaging via the Matrix protocol, making it the top choice for security-critical organizations. Slack is far more polished for everyday team chat, but Element wins on privacy and sovereignty.

Best for: Government, defense, and regulated industries that need encrypted, decentralized communication

Last updated: 2026-03-01