| Price from | $400/mo | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 3 | 2 |
| Spec score · Chat APIs | 8.2 (#7) | 7.9 (#15) |
| Messaging | The launch sprint supports one-to-one conversations, private groups, channels, membership, and message history. | The open-source messaging core includes rich media, mentions, replies, forwarding, reactions, message revocation, groups, privacy controls, and read state. |
| Security | Chat Functions run in a secure cloud environment and can implement custom authentication logic, including Firebase token verification. | Server security includes TLS 1.3, QUIC and wss transport, RS256 signing with JWKS, token revocation, bcrypt password hashing, rate limits, privacy policies, and IP protection. |
| Support | The launch sprint includes production planning, release support, and 14 days of post-launch defect correction for the agreed scope. | Community support is provided through GitHub issues and discussions, while commercial engagements add SLAs, dedicated channels, training, and engineering support. |
