Best Mobile App Live Chat SDKs softwares in 2025

Platform and product suite for building live video, OTT streaming, in-app messaging, and marketplace experiences; designed for product managers, engineering teams, media companies, and enterprises that need embeddable SDKs and managed cloud services.

MirrorFly provides real-time messaging, voice and video calling SDKs and APIs for developers and businesses that need full control over in-app communications. It targets product teams, enterprises, and service providers building chat, telehealth, customer support, social, and collaboration features with options for cloud-hosted or self-hosted deployment and customizable licensing.

Cloud communications platform for sending SMS, RCS, WhatsApp, voice, video and verification flows. Sinch is built for developers, contact centers, and product teams that need programmable, carrier-grade messaging and voice at global scale.

Real-time engagement (RTE) platform providing SDKs and cloud services for voice, video, interactive live streaming, messaging, and recording. Designed for developers building in-app communications, telehealth, online education, gaming voice chat, interactive broadcasts, and customer engagement features.

Socket.IO is an open-source JavaScript library and commercial platform for building real-time, bidirectional communication between clients and servers. It targets web and mobile developers who need reliable WebSocket-based messaging with fallbacks, presence, rooms/namespaces, and hooks for enterprise deployment and scaling.

Cloud-based real-time messaging and data synchronization platform for developers and engineering teams building live experiences such as chat, presence, collaboration, gaming, IoT telemetry, and live dashboards.

Backend-as-a-service and developer platform for web and mobile applications, aimed at developers and product teams who need hosted databases, authentication, file storage, messaging, analytics, and serverless functions integrated with Google Cloud.

Real-time communications backend and SDKs for developers who need chat, voice, video, and presence features in mobile or web applications. Quickblox targets engineering teams building messaging, customer support, telehealth, marketplaces, and any app that requires scalable in-app communications.

Layer is a metrics layer and data workspace for analytics and operations teams. It centralizes metric definitions, governance, and lineage, and lets data teams publish consistent business metrics that other teams and tools can consume. Layer is aimed at analytics engineers, data teams, and product or growth teams that need a single source of truth for metrics across BI tools, dashboards, and operational workflows.

Applozic is a developer-focused messaging platform that provides SDKs, APIs, and managed services for adding real-time chat, in-app messaging, push notifications, and conversational features to mobile and web applications. It targets product and engineering teams building customer support chat, in-app collaboration, marketplaces, social apps, and conversational commerce flows.

OneSignal is a notification delivery platform for developers and product teams that sends push notifications, in‑app messages, email, and SMS to web and mobile users. It’s aimed at apps, websites, and marketing teams that need event-driven, segmented messaging with analytics and automation.

CometChat provides SDKs, APIs and prebuilt UI kits to add real-time messaging, voice and video calling, moderation, notifications and AI agents into web and mobile apps. It is aimed at product teams, developers, and engineering organizations that need a scalable, secure communication backend without building infrastructure from scratch.

Real-time messaging and pub/sub APIs for developers building collaboration, chat, notifications and live-updates into web and mobile apps. Designed for engineering and product teams that need scalable WebSocket-based channels, presence information, and event delivery without building a custom realtime backend.

Chat | Twilio provides an API-first conversational chat capability (powered by MessagingX and the Conversations API) for adding in-app and web chat, plus cross-channel messaging (SMS, MMS, WhatsApp, Facebook Messenger). It’s intended for product teams, customer support, e-commerce operations, and developers who need a programmable, scalable chat layer integrated with Twilio’s messaging platform.

Stream provides cloud-hosted APIs and SDKs for real-time activity feeds and in-app chat. It is designed for product teams, mobile and web developers, and companies that need scalable, low-latency feeds and messaging without building an entire backend from scratch.

PubNub provides a globally distributed publish/subscribe network, SDKs, and real-time APIs to build, manage, and optimize messaging-driven applications at massive scale. It’s aimed at developers, product teams, and enterprises building chat, presence, multiplayer, IoT, and live data experiences.

AI customer service platform that provides omnichannel, context-aware AI agents for enterprises. Sendbird AI is designed for support and sales teams that need conversational automation integrated with tools like Zendesk and Salesforce, with enterprise-grade security, auditing, and professional services.