Notice: If you open a pull request in TUIKit Android or iOS and the corresponding changes are successfully merged, your name will be included in README.md with a hyperlink to your homepage on GitHub.

Instant Messaging

Product Introduction

Build real-time social messaging capabilities with all the features into your applications and websites based on powerful and feature-rich chat APIs, SDKs and UIKit components.

Android Experience App	iOS Experience App

TUIKit is a UI component library based on Tencent Cloud IM SDK. It provides universal UI components to offer features such as conversation, chat, search, relationship chain, group, and audio/video call features.

Image Download

Tencent Cloud branch download address: Download

SDK Download

Native SDK	Download Address	Integration Guide	Update Log
Android	GitHub (Recommended)	[Quick Integration] TUIKit Integration (Android) [General Integration] SDK Integration (Android)	Update Log (Native)
iOS	GitHub (Recommended)	[Quick Integration] TUIKit Integration (iOS) [General Integration] SDK Integration (iOS)
Mac	GitHub (Recommended)	[General Integration] SDK Integration (Mac)
Windows	GitHub (Recommended)	[General Integration] SDK Integration (Windows)
HarmonyOS	GitHub (Recommended)	[General Integration] SDK Integration (HarmonyOS)

TUIKit Integration

Functional Module	Platform	Document Link
TUIKit Library	iOS	TUIKit-iOS Library
TUIKit Library	Android	TUIKit-Android Library
Quick Integration	iOS	TUIKit-iOS Quick Integration
Quick Integration	Android	TUIKit-Android Quick Integration
Modifying UI Themes	iOS	TUIKit-iOS Modifying UI Themes
Modifying UI Themes	Android	TUIKit-Android Modifying UI Themes
Setting UI Styles	iOS	TUIKit-iOS Setting UI Styles
Setting UI Styles	Android	TUIKit-Android Setting UI Styles
Adding Custom Messages	iOS	TUIKit-iOS Adding Custom Messages
Adding Custom Messages	Android	TUIKit-Android Adding Custom Messages
Implementing Local Search	iOS	TUIKit-iOS Implementing Local Search
Implementing Local Search	Android	TUIKit-Android Implementing Local Search
Integrating Offline Push	iOS	TUIKit-iOS Integrating Offline Push
Integrating Offline Push	Android	TUIKit-Android Integrating Offline Push

Guidelines for Upgrading IMSDK to V2 APIs

API Upgrade Guidelines

Latest Enhanced Version 8.6.7040 @2025.07.18

SDK

Added support for Japan site.
Fixed stability issues on Android platform.
Fixed signaling issues for Flutter on iOS.
Fixed push token configuration errors in Flutter for Android.

Description

Free Chat SDK (IM SDK) — 1,000 MAU/month free forever with push notifications & no concurrency limits. Build in-app messaging with chat API, UIKit & send message. Supports Android, iOS, Flutter, Web, React Native, uni-app, HarmonyOS & more.

Readme 1.6 GiB

Languages

Objective-C 33.9%

Java 33.4%

C++ 12%

C 7.8%

Swift 6.9%

Other 5.8%