Discord vs HEY vs Mattermost
| Attribute | |||
|---|---|---|---|
| Category | Communication | Communication | Communication |
| Pricing | Free tier | Paid | Free tier |
| Starting price | $2.99/month | $99/month | $10/month |
| Free tier | Yes | No | Yes |
| Free trial | No | Yes | Yes |
| Deployment | Cloud | — | Cloud |
| API available | Unknown | Unknown | Unknown |
| Platforms | ios, android, windows, macos | — | ios, android, windows, macos, linux |
| Certifications | — | — | — |
| Integrations | 3 | — | — |
| Company | Founded 2015 | Founded 1992 | Founded 2015 |
| Feature attributes | |||
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Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.