| Price from | $239/mo | €200/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 4 | 3 |
| Spec score · Chat APIs | 8.5 (#3) | 8.7 (#2) |
| Founded | 2009 | 2002 |
| Headquarters | Denver, Colorado, United States | Paris, France |
| Product | CometChat provides in-app chat, voice and video calling, and conversational AI agent capabilities for applications. | ejabberd is an open-source server for XMPP messaging, MQTT, SIP, and Matrix. |
| 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. | The maker describes TLS 1.3, modern cipher suites, SASL with SCRAM-SHA-256, and OMEMO end-to-end encryption as available on a fresh install. |
| Support | CometChat describes multiple support tiers with options for faster response times, architectural reviews, and production guidance. | Community Server includes community forums and documentation, while Business Edition and Fluux include direct ProcessOne support and LTS releases. |
