| Price from | $239/mo | $279/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Plans published | 4 | 3 |
| Spec score · Chat Api | 8.5 (#2) | 7.6 (#17) |
| Spec score · Chat APIs | 8.5 (#3) | 7.6 (#27) |
| Founded | 2009 | 2016 |
| Headquarters | Denver, Colorado, United States | Eindhoven, Netherlands |
| Product | CometChat provides in-app chat, voice and video calling, and conversational AI agent capabilities for applications. | TalkJS provides a chat API, SDKs, and pre-built user interfaces for adding messaging to apps and websites. |
| 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. | TalkJS says it is ISO 27001 certified and GDPR compliant, and that data is encrypted in transit and at rest. |
| Support | CometChat describes multiple support tiers with options for faster response times, architectural reviews, and production guidance. | Basic includes chat support during office hours, Growth includes priority chat and email, and Enterprise includes priority phone, chat, and email support. |