Discord
Slack
Discord
Slack
No signals
Discord
Slack
Discord
Slack
Discord
Slack
Discord
Slack
Discord
Slack
No signals
Discord
No signals
Slack
Users: Unlimited
Storage: 8MB file upload limit
Limits: 8MB upload limit, 720p/30fps streaming max, No animated avatar/banner, Can't use custom emojis globally
Users: 1 user
Storage: 50MB file upload
Limits: No animated avatar/banner, No HD streaming, No server boosts, Can't join 200 servers
Users: 1 user
Storage: 500MB file upload
Limits: Boosting servers beyond the 2 included costs extra, Premium features feel limited for the price
Users: 1 boost
Storage: N/A
Limits: Boosting only benefits one server, Benefits are marginal for individual users, Considered overpriced by many
Users: Unlimited users
Storage: 5GB total
Limits: No SSO, No compliance exports, No guest access controls, No custom retention policies, Cannot recover data after 1 year
Users: Minimum 3 users required
Storage: 10GB per user
Limits: No SSO/SAML, No data exports for compliance, No user provisioning, No audit logs
Users: Per user pricing
Storage: 20GB per user
Limits: No Enterprise Key Management, No HIPAA compliance, No unlimited workspaces, Cannot downgrade if you later upgrade to Grid
Users: Unlimited workspaces
Storage: 1TB per user
Limits: Annual commitment required, Cannot downgrade to Business+ ever, Multi-year contracts often required for discounts
| Feature | Discord | Slack |
|---|---|---|
| Communication | ||
| Voice Chat Low latency, good quality | ||
| Real-time messaging Channels, DMs, threads | ||
| Video Calls Up to 25 people in server, quality varies | ||
| Video calls Huddles and integrations, up to 50 people on paid plans | ||
| Screen Sharing Limited to 720p/30fps on free, 4K/60fps on Nitro | ||
| Text Messaging Not end-to-end encrypted | ||
| Data | ||
| Message history Free: 90 days visible, 1 year then deleted. Paid: Unlimited | ||
| Data export Business+ and above for compliance exports | ||
| Integrations | ||
| Third-party integrations 2,600+ apps. Free plan limited to 10 integrations | ||
| Bot Integration Extensive ecosystem, requires technical setup | ||
| Community | ||
| Server Communities Complex permission system | ||
| Security | ||
| SSO/SAML Business+ and above only ($15/user) | ||
| End-to-end encryption Not available. EKM (customer keys) only on Enterprise+ | ||
| End-to-end Encryption Only for voice/video, NOT text messages | ||
| 2FA Authentication Available but phone verification has issues | ||
| Customization | ||
| Custom Emojis Server-specific unless you have Nitro | ||
| AI | ||
| Slack AI Separate $10/user add-on, must buy for ALL users | ||
| Productivity | ||
| File Sharing 8MB limit free, 500MB with Nitro | ||
| Message Search Limited compared to Slack | ||
| Accessibility | ||
| Mobile app iOS and Android, notification reliability issues | ||
| Platforms | ||
| Mobile App iOS and Android, has known issues | ||
| Desktop App Windows, macOS, Linux | ||
| Web App Full-featured browser access | ||
| Enterprise | ||
| Audit logs Enterprise+ only ($45/user) | ||
| Collaboration | ||
| Guest access Single-channel guests free, multi-channel count as paid users | ||
| Compliance | ||
| HIPAA compliance Enterprise+ only | ||
| FedRAMP authorized Moderate authorization available | ||
| Management | ||
| Admin Controls Basic, not enterprise-grade | ||
