Is Slack Worth It? Honest Verdict (2026)
Slack is the gold standard for team chat. But at $8.75-12.50/user/mo for a chat app when Microsoft Teams is bundled free with M365, is it still worth paying for?
Worth It If...
- Your team thrives on real-time, channel-based communication
- You rely heavily on integrations (Slack has the best app ecosystem)
- You use Slack Connect to collaborate with external partners
- You are a tech/startup company where Slack is the cultural default
Not Worth It If...
- You already pay for Microsoft 365 (Teams is included)
- Your team prefers email-first or async communication
- You have 100+ users (cost becomes significant vs free Teams)
- You do not use many integrations (Slack's main advantage)
The Numbers
Slack Business+ (50 users): $625/mo ($7,500/yr)
Alternative: Microsoft Teams (included in M365 Business Basic at $6/user) = $300/mo — includes email + storage + meetings
Alternative: Google Chat (included in Google Workspace) = $360-720/mo — includes Gmail + Drive + Meet
Verdict: Slack costs $325/mo more than Teams for 50 users, but has a superior app ecosystem
Bottom Line
Slack is worth it if your team's productivity depends on real-time communication and deep integrations. If you already pay for Microsoft 365 or Google Workspace, their built-in chat tools are good enough for most teams and save $5-12/user/mo. The Slack premium is justified only when its integration ecosystem and UX directly drive productivity.
Calculate Your Slack Cost vs Alternatives
See what you'd save switching to Teams or Google Chat.