// comparison
Rocket.Chat vs. Slack Pro
pricing checked June 2026
Cheaper start
$4/mo
Open-source team chat you can self-host or run on their cloud.
- Best for: orgs with strict data residency or self-host needs
- Model: per-seat
Compare
$9/mo
Business team chat with admin controls
- Best for: Business teams needing governance
- Model: per-seat
Pricing math
Rocket.Chat is 54% cheaper than Slack Pro on starting plans — roughly $5/mo · $57/yr per seat.
Formula: monthly = pricier − cheaper · percent = round((monthly / pricier) × 100) · annual = monthly × 12
Verdict
Pick Rocket.Chat if you're orgs with strict data residency or self-host needs. Pick Slack Pro if you're business teams needing governance.
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Caveats
- Rocket.Chat: Mobile/desktop polish trails Slack
- Slack Pro: Per-user cost adds up
More comparisons
Other ways to swap Rocket.Chat or Slack Pro.
Prices change often — verify on the vendor's site before switching.