| Price from | $239/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 4 | 2 |
| Spec score · Chat Api | 8.5 (#2) | 7.8 (#14) |
| Spec score · Chat APIs | 8.5 (#3) | 7.9 (#15) |
| Messaging | Its messaging features include one-to-one and group chat, file sharing, voice notes, message history, threaded replies, and read receipts. | The open-source messaging core includes rich media, mentions, replies, forwarding, reactions, message revocation, groups, privacy controls, and read state. |
| Security | The maker states that CometChat is HIPAA compliant and can enter into a BAA, and is certified for ISO 27001 and SOC 2 Type 2. | 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 | CometChat describes multiple support tiers with options for faster response times, architectural reviews, and production guidance. | Community support is provided through GitHub issues and discussions, while commercial engagements add SLAs, dedicated channels, training, and engineering support. |